96 results on '"Proudfoot JA"'
Search Results
2. A luminal non-coding RNA-based genomic classifier confirms favourable outcomes in patients with clinically organ-confined bladder cancer treated with radical cystectomy.
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de Jong JJ, Proudfoot JA, Daneshmand S, Svatek RS, Naryan V, Gibb EA, Davicioni E, Joshi S, Dahmen A, Li R, Inman BA, Shah P, Chaplin I, Wright J, and Lotan Y
- Abstract
Objective: To further evaluate a genomic classifier (GC) in a cohort of patients undergoing radical cystectomy (RC), as long non-coding RNA (lncRNA)-based genomic profiling has suggested utility in identifying a distinct tumour subgroup corresponding to a favourable prognosis in patients with bladder cancer., Patients and Methods: Transcriptome-wide expression profiling using Decipher Bladder was performed on transurethral resection of bladder tumour samples from a cohort of patients with high-grade, clinically organ-confined (cTa-T2N0M0) urothelial carcinoma (UC) who subsequently underwent RC without any neoadjuvant therapy (n = 226). The lncRNA-based luminal favourable status was determined using a previously developed GC. The primary endpoint was overall survival (OS) after RC. Secondary endpoints included cancer-specific mortality and upstaging at RC., Results: In the study, 134 patients were clinical non-muscle-invasive bladder cancer (cTa/Tis/T1) and 92 patients were cT2. We identified 60 patients with luminal favourable subtype, all of which showed robust gene expression patterns associated with less aggressive bladder cancer biology. On multivariate analysis, patients with the luminal favourable subtype (vs without) were significantly associated with lower odds of upstaging to pathological (p)T3+ disease (odds ratio [OR] 0.32, 95% confidence interval [CI] 0.12-0.82; P = 0.02), any upstaging (OR 0.41, 95% CI 0.20-0.83; P = 0.01), and any upstaging and/or pN+ (OR 0.50, 95% CI 0.25-1.00; P = 0.05). Luminal favourable bladder cancer was significantly associated with better OS (hazard ratio 0.33, 95% CI 0.15-0.74; P = 0.007)., Conclusions: This study validates the performance of the GC for identifying UCs with a luminal favourable subtype, harbouring less aggressive tumour biology., (© 2024 The Author(s). BJU International published by John Wiley & Sons Ltd on behalf of BJU International.)
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- 2024
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3. Olaparib Without Androgen Deprivation for High-Risk Biochemically Recurrent Prostate Cancer Following Prostatectomy: A Nonrandomized Controlled Trial.
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Marshall CH, Teply BA, Lu J, Oliveira L, Wang H, Mao SS, Kelly WK, Paller CJ, Markowski MC, Denmeade SR, King S, Sullivan R, Davicioni E, Proudfoot JA, Eisenberger MA, Carducci MA, Lotan TL, and Antonarakis ES
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- Humans, Male, Aged, Middle Aged, Poly(ADP-ribose) Polymerase Inhibitors therapeutic use, Poly(ADP-ribose) Polymerase Inhibitors adverse effects, Androgen Antagonists therapeutic use, Androgen Antagonists adverse effects, Phthalazines therapeutic use, Phthalazines adverse effects, Prostatic Neoplasms drug therapy, Prostatic Neoplasms pathology, Prostatic Neoplasms surgery, Prostatectomy, Piperazines therapeutic use, Piperazines adverse effects, Neoplasm Recurrence, Local drug therapy, Prostate-Specific Antigen blood
- Abstract
Importance: Olaparib is a poly(adenosine diphosphate-ribose) polymerase inhibitor that provides benefit in combination with hormonal therapies in patients with metastatic prostate cancer who harbor homologous recombination repair (HRR) alterations. Its efficacy in the absence of androgen deprivation therapy has not been tested., Objective: To determine the activity of olaparib monotherapy among patients with high-risk biochemically recurrent (BCR) prostate cancer after radical prostatectomy., Design, Setting, and Participants: This phase 2, single-arm nonrandomized controlled trial enrolled genetically unselected patients across 4 sites in the US from May 2017 to November 2022. Eligible patients had BCR disease following radical prostatectomy, a prostate-specific antigen (PSA) doubling time of 6 months or shorter, an absolute PSA value of 1.0 ng/mL or higher, and a testosterone level of 150 ng/dL or higher., Intervention: Treatment was with olaparib, 300 mg, by mouth twice daily until doubling of the baseline PSA, clinical or radiographic progression, or unacceptable toxic effects., Main Outcome and Measure: The primary end point was a confirmed 50% or higher decline in PSA from baseline (PSA50). Key secondary end points were outcomes by HRR alteration status, as well as safety and tolerability., Results: Of the 51 male patients enrolled (mean [SD] age, 63.8 [6.8] years), 13 participants (26%) had a PSA50 response, all within the HRR-positive group (13 of 27 participants [48%]). All 11 participants with BRCA2 alterations experienced a PSA50 response. Common adverse events were fatigue in 32 participants (63%), nausea in 28 (55%), and leukopenia in 22 (43%), and were consistent with known adverse effects of olaparib., Conclusions and Relevance: In this nonrandomized controlled trial, olaparib monotherapy led to high and durable PSA50 response rates in patients with BRCA2 alterations. Olaparib warrants further study as a treatment strategy for some patients with BCR prostate cancer but does not have sufficient activity in those without HRR alterations and should not be considered for those patients., Trial Registration: ClinicalTrials.gov Identifier: NCT03047135.
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- 2024
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4. Molecular Hallmarks of Prostate-specific Membrane Antigen in Treatment-naïve Prostate Cancer.
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Weiner AB, Agrawal R, Wang NK, Sonni I, Li EV, Arbet J, Zhang JJH, Proudfoot JA, Hong BH, Davicioni E, Kane N, Valle LF, Kishan AU, Pra AD, Ghadjar P, Sweeney CJ, Nickols NG, Karnes RJ, Shen J, Rettig MB, Czernin J, Ross AE, Lee Kiang Chua M, Schaeffer EM, Calais J, Boutros PC, and Reiter RE
- Abstract
Background and Objective: We characterized tumor prostate-specific membrane antigen (PSMA) levels as a reflection of cancer biology and treatment sensitivities for treatment-naïve prostate cancer., Methods: We first correlated PSMA positron emission tomography (PET) maximum standardized uptake values (SUVmax) in primary prostate cancer with tumor FOLH1 (PSMA RNA abundance) to establish RNA as a proxy (n = 55). We then discovered and validated molecular pathways associated with PSMA RNA levels in two large primary tumor cohorts. We validated those associations in independent cohorts (18 total; 5684 tumor samples) to characterize the pathways and treatment responses associated with PSMA., Key Findings and Limitations: PSMA RNA abundance correlates moderately with SUVmax (ρ = 0.41). In independent cohorts, androgen receptor signaling is more active in tumors with high PSMA. Accordingly, patients with high PSMA tumors experienced longer cancer-specific survival when managed with androgen deprivation therapy for biochemical recurrence (adjusted hazard ratio [AHR] 0.54 [0.34-0.87]; n = 174). PSMA low tumors possess molecular markers of resistance to radiotherapy. Consistent with this, patients with high PSMA tumors experience longer time to recurrence following primary radiotherapy (AHR 0.50 [0.28-0.90]; n = 248). In the SAKK09/10 trial (n = 224), patients with high PSMA tumors who were managed with salvage radiotherapy experienced longer time to progression in the 64-Gy arm (restricted mean survival time [RMST] +7.60 [0.05-15.16]), but this effect was mitigated in the 70-Gy arm (RMST 3.52 [-3.30 to 10.33]). Limitations include using PSMA RNA as a surrogate for PET SUVmax., Conclusions and Clinical Implications: PSMA levels in treatment-naïve prostate cancer differentiate tumor biology and treatment susceptibilities. These results warrant validation using PET metrics to substantiate management decisions based on imaging., (Copyright © 2024 European Association of Urology. Published by Elsevier B.V. All rights reserved.)
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- 2024
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5. Association Between the Decipher Genomic Classifier and Prostate Cancer Outcome in the Real-world Setting.
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Leapman MS, Ho J, Liu Y, Filson C, Zhao X, Hakansson A, Proudfoot JA, Davicioni E, Martin DT, An Y, Seibert TM, Lin DW, Spratt DE, Cooperberg MR, Sprenkle PC, and Ross AE
- Abstract
Background and Objective: Although the prognostic significance of the Decipher prostate cancer genomic classifier (GC) has been established largely from analyses of archival tissue, less is known about the associations between the results of Decipher testing and oncologic outcomes among patients receiving contemporaneous testing and treatment in the real-world practice setting. Our objective was to assess the associations between the Decipher GC and risks of metastasis and biochemical recurrence (BCR) following prostate biopsy and radical prostatectomy (RP) among patients tested and treated in the real-world setting., Methods: A retrospective cohort study was conducted using a novel longitudinal linkage of transcriptomic data from the Decipher GC and real-world clinical data (RWD) aggregated from insurance claims, pharmacy records, and electronic health record data across payors and sites of care. Kaplan-Meier and Cox proportional hazards regressions were used to examine the associations between the GC and study outcomes, adjusting for clinical and pathologic factors., Key Findings and Limitations: Metastasis from prostate cancer and BCR after radical prostatectomy, Decipher GC continuous score, and risk categories were evaluated. We identified 58 935 participants who underwent Decipher testing, including 33 379 on a biopsy specimen and 25 556 on an RP specimen. The median age was 67 yr (interquartile range [IQR] 62-72) at biopsy testing and 65 yr (IQR 59-69) at RP. The median GC score was 0.43 (IQR 0.27-0.66) among biopsy-tested patients and 0.54 (0.32-0.79) among RP-tested patients. The GC was independently associated with the risk of metastasis among biopsy-tested (hazard ratio [HR] per 0.1 unit increase in GC 1.21 [95% confidence interval {CI} 1.16-1.27], p < 0.001) and RP-tested (HR 1.20 [95% CI 1.17-1.24], p < 0.001) patients after adjusting for baseline clinical and pathologic risk factors. In addition, the GC was associated with the risk of BCR among RP-tested patients (HR 1.12 [95% CI 1.10-1.14], p < 0.001) in models adjusted for age and Cancer of the Prostate Risk Assessment postsurgical score., Conclusions and Clinical Implications: This real-world study of a novel transcriptomic linkage conducted at a national scale supports the external prognostic validity of the Decipher GC among patients managed in contemporary practice., Patient Summary: This study looked at the use of the Decipher genomic classifier, a test used to help understand the aggressiveness of a patient's prostate cancer. Looking at the results of 58 935 participants who underwent testing, we found that the Decipher test helped estimate the risk of cancer recurrence and metastasis., (Copyright © 2024 The Author(s). Published by Elsevier B.V. All rights reserved.)
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- 2024
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6. Use of Decipher Prostate Biopsy Test in Patients with Favorable-risk Disease Undergoing Conservative Management or Radical Prostatectomy in the Surveillance, Epidemiology, and End Results Registry.
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Zhu A, Proudfoot JA, Davicioni E, Ross AE, Petkov VI, Bonds S, Schussler N, Zaorsky NG, Jia AY, Spratt DE, Schaeffer EM, Liu Y, Strasser MO, and Hu JC
- Abstract
Background and Objective: The extent of prostate cancer found on biopsy, as well as prostate cancer grade and genomic tests, can affect clinical decision-making. The impact of these factors on the initial management approach and subsequent patient outcomes for men with favorable-grade prostate cancer has not yet been determined on a population level. Our objective was to explore the association of Decipher 22-gene genomic classifier (GC) biopsy testing on the initial use of conservative management versus radical prostatectomy (RP) and to determine the independent effect of GC scores on RP pathologic outcomes., Methods: A total of 87 140 patients diagnosed with grade group 1 and 2 prostate cancer between 2016 and 2018 from the Surveillance, Epidemiology, and End Results registry data were linked to GC testing results (2576 tested and 84 564 untested with a GC). The primary endpoints of interest were receipt of conservative management or RP, pathologic upgrading (pathologic grade group 3-5), upstaging (pathologic ≥T3b), and adverse pathologic features (pathologic upgrading, upstaging, or lymph node invasion). Multivariable logistic regressions quantified the association of variables with outcomes of interest., Key Findings and Limitations: GC tested patients were more likely to have grade group 2 on biopsy (51% vs 46%, p < 0.001) and lower prostate-specific antigen (6.1 vs 6.3, p = 0.016). Conservative management increased from 37% to 39% and from 22% to 24% during 2016-2018 for the GC tested and untested populations, respectively. GC testing was significantly associated with increased odds of conservative management (odds ratio [OR] 2.1, 95% confidence interval [CI] 1.9-2.4, p < 0.001). The distribution of biopsy GC risk was as follows: 45% low risk, 30% intermediate risk, and 25% high risk. In adjusted analyses, higher GC (per 0.1 increment) scores (OR 1.24, 95% CI 1.17-1.31, p < 0.001) and percent positive cores (1.07, 95% CI 1.02-1.12, p = 0.009) were significantly associated with the receipt of RP. A higher GC score was significantly associated with all adverse outcomes (pathologic upgrading [OR 1.29, 95% CI 1.12-1.49, p < 0.001], upstaging [OR 1.31, 95% CI 1.05-1.62, p = 0.020], and adverse pathology [OR 1.27, 95% CI 1.12-1.45, p < 0.001]). Limitations include observational biases associated with the retrospective study design., Conclusions and Clinical Implications: Men who underwent GC testing were more likely to undergo conservative management. GC testing at biopsy is prognostic of adverse pathologic outcomes in a large population-based registry., Patient Summary: In this population analysis of men with favorable-risk prostate cancer, those who underwent genomic testing at biopsy were more likely to undergo conservative management. Of men who initially underwent radical prostatectomy, higher genomic risk but not tumor volume was associated with adverse pathologic outcomes. The use of genomic testing at prostate biopsy improves risk stratification and may better inform treatment decisions than the use of tumor volume alone., (Copyright © 2024. Published by Elsevier B.V.)
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- 2024
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7. Transcriptomic Profiling of Primary Prostate Cancers and Nonlocalized Disease on Prostate-Specific Membrane Antigen Positron Emission Tomography/Computed Tomography: A Multicenter Retrospective Study.
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Nikitas J, Subramanian K, Gozal NB, Ricaurte-Fajardo A, Li E, Proudfoot JA, Davicioni E, Marciscano AE, Osborne JR, Barbieri CE, Armstrong WR, Smith CP, Valle LF, Steinberg ML, Boutros PC, Nickols NG, Rettig MB, Reiter R, Weiner AB, Calais J, Czernin J, Ross AE, Kim EH, Nagar H, and Kishan AU
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- Humans, Male, Retrospective Studies, Aged, Middle Aged, Glutamate Carboxypeptidase II genetics, Antigens, Surface genetics, Transcriptome, Positron Emission Tomography Computed Tomography methods, Prostatic Neoplasms genetics, Prostatic Neoplasms diagnostic imaging, Prostatic Neoplasms pathology, Gene Expression Profiling
- Abstract
Purpose: To characterize the relationship between Decipher genomic classifier scores and prostate-specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT)-based metastatic spread., Materials and Methods: We identified patients from four institutions who underwent PSMA PET/CT scans pretreatment for primary staging or postradical prostatectomy (RP) for suspected recurrence and had Decipher transcriptomic data available from biopsy or RP specimens. PSMA PET/CT-based patterns of spread were classified as localized (miT + N0M0) or nonlocalized (miN1M0 or miM1a-c). We calculated the association between Decipher scores and the risk of nonlocalized disease on PSMA PET/CT using multivariable logistic regression for pretreatment patients and multivariable Cox regression for post-RP patients. We also compared select transcriptomic signatures between patients with localized and nonlocalized diseases., Results: Five hundred eighty-six patients were included (pretreatment: n = 329; post-RP: n = 257). Higher Decipher scores were associated with nonlocalized disease on PSMA PET/CT both pretreatment (odds ratio, 1.18 [95% CI, 1.03 to 1.36] per 0.1 increase in Decipher score, P = .02) and post-RP (hazard ratio, 1.15 [95% CI, 1.05 to 1.27] per 0.1 increase in Decipher score, P = .003). In the pretreatment setting, nonlocalized disease was associated with higher rates of TP53 mutations and lower rates of PAM50 luminal A subtype compared with localized disease. In the post-RP setting, overexpression of signatures related to metabolism, DNA repair, and androgen receptor signaling were associated with higher rates of nonlocalized disease., Conclusion: Higher Decipher scores were associated with nonlocalized disease identified on PSMA PET/CT both pretreatment and post-RP. There were several transcriptomic differences between localized and nonlocalized diseases in both settings.
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- 2024
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8. Development of a Longitudinal Prostate Cancer Transcriptomic and Clinical Data Linkage.
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Leapman MS, Ho J, Liu Y, Filson CP, Zhao X, Hakansson A, Proudfoot JA, Davicioni E, Martin DT, An Y, Seibert TM, Lin DW, Spratt DE, Cooperberg MR, Ross AE, and Sprenkle PC
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- Humans, Male, Middle Aged, Aged, Electronic Health Records statistics & numerical data, Cohort Studies, Longitudinal Studies, Prostatectomy, Information Storage and Retrieval, Algorithms, Prostatic Neoplasms genetics, Prostatic Neoplasms diagnosis, Prostatic Neoplasms pathology, Transcriptome genetics
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Importance: Although tissue-based gene expression testing has become widely used for prostate cancer risk stratification, its prognostic performance in the setting of clinical care is not well understood., Objective: To develop a linkage between a prostate genomic classifier (GC) and clinical data across payers and sites of care in the US., Design, Setting, and Participants: In this cohort study, clinical and transcriptomic data from clinical use of a prostate GC between 2016 and 2022 were linked with data aggregated from insurance claims, pharmacy records, and electronic health record (EHR) data. Participants were anonymously linked between datasets by deterministic methods through a deidentification engine using encrypted tokens. Algorithms were developed and refined for identifying prostate cancer diagnoses, treatment timing, and clinical outcomes using diagnosis codes, Common Procedural Terminology codes, pharmacy codes, Systematized Medical Nomenclature for Medicine clinical terms, and unstructured text in the EHR. Data analysis was performed from January 2023 to January 2024., Exposure: Diagnosis of prostate cancer., Main Outcomes and Measures: The primary outcomes were biochemical recurrence and development of prostate cancer metastases after diagnosis or radical prostatectomy (RP). The sensitivity of the linkage and identification algorithms for clinical and administrative data were calculated relative to clinical and pathological information obtained during the GC testing process as the reference standard., Results: A total of 92 976 of 95 578 (97.2%) participants who underwent prostate GC testing were successfully linked to administrative and clinical data, including 53 871 who underwent biopsy testing and 39 105 who underwent RP testing. The median (IQR) age at GC testing was 66.4 (61.0-71.0) years. The sensitivity of the EHR linkage data for prostate cancer diagnoses was 85.0% (95% CI, 84.7%-85.2%), including 80.8% (95% CI, 80.4%-81.1%) for biopsy-tested participants and 90.8% (95% CI, 90.5%-91.0%) for RP-tested participants. Year of treatment was concordant in 97.9% (95% CI, 97.7%-98.1%) of those undergoing GC testing at RP, and 86.0% (95% CI, 85.6%-86.4%) among participants undergoing biopsy testing. The sensitivity of the linkage was 48.6% (95% CI, 48.1%-49.1%) for identifying RP and 50.1% (95% CI, 49.7%-50.5%) for identifying prostate biopsy., Conclusions and Relevance: This study established a national-scale linkage of transcriptomic and longitudinal clinical data yielding high accuracy for identifying key clinical junctures, including diagnosis, treatment, and early cancer outcome. This resource can be leveraged to enhance understandings of disease biology, patterns of care, and treatment effectiveness.
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- 2024
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9. Transcriptome-Based Prognostic and Predictive Biomarker Analysis of ENACT: A Randomized Controlled Trial of Enzalutamide in Men Undergoing Active Surveillance.
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Ross AE, Iwata KK, Elsouda D, Hairston J, Russell D, Davicioni E, Proudfoot JA, Shore ND, and Schaeffer EM
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- Humans, Male, Disease Progression, Prognosis, Watchful Waiting, Benzamides pharmacology, Nitriles pharmacology, Phenylthiohydantoin pharmacology, Prostatic Neoplasms, Castration-Resistant pathology, Transcriptome
- Abstract
Purpose: Few studies have explored the potential for pharmacological interventions to delay disease progression in patients undergoing active surveillance (AS). This preplanned transcriptomic analysis of patient samples from the ENACT trial aims to identify biomarkers in patients on AS who are at increased risk for disease progression or who may derive the greatest benefit from enzalutamide treatment., Patients and Methods: In the phase II ENACT (ClinicalTrials.gov identifier: NCT02799745) trial, patients on AS were randomly assigned 1:1 to 160 mg orally once daily enzalutamide monotherapy or continued AS for 1 year. Transcriptional analyses were conducted on biopsies collected at trial screening, year 1, and year 2. Three gene expression signatures were evaluated in samples collected at screening and in available samples from patients on AS at any time during surveillance (expanded cohort): Decipher genomic classifier, androgen receptor activity (AR-A) score, and Prediction Analysis of Microarray 50 (PAM50) cell subtype signature., Results: The Decipher genomic classifier score was prognostic; higher scores were associated with disease progression in the expanded cohort and AS arm of the expanded cohort. Patients with higher Decipher scores had greater positive treatment effect from enzalutamide as measured by time to secondary rise in prostate-specific antigen >25% above baseline. In patients treated with enzalutamide, higher AR-A scores and PAM50 luminal subtypes were associated with a greater likelihood of negative biopsy incidence at year 2., Conclusion: This analysis suggests that the Decipher genomic classifier may be prognostic for disease progression in AS patients with low- to intermediate-risk prostate cancer. Higher Decipher and AR-A scores, as well as PAM50 luminal subtypes, may also serve as biomarkers for treatment response.
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- 2024
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10. Macula structural and vascular differences in glaucoma eyes with and without high axial myopia.
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Rezapour J, Bowd C, Dohleman J, Belghith A, Proudfoot JA, Christopher M, Hyman L, Jonas JB, Penteado RC, Moghimi S, Hou H, El-Nimri NW, Micheletti E, Fazio MA, Weinreb RN, and Zangwill LM
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- Humans, Cross-Sectional Studies, Retinal Ganglion Cells, Tomography, Optical Coherence methods, Glaucoma diagnosis, Glaucoma complications, Myopia complications, Myopia diagnosis, Macula Lutea
- Abstract
Aims: To identify clinically relevant parameters for identifying glaucoma in highly myopic eyes, an investigation was conducted of the relationship between the thickness of various retinal layers and the superficial vessel density (sVD) of the macula with axial length (AL) and visual field mean deviation (VFMD)., Methods: 270 glaucoma patients (438 eyes) participating in the Diagnostic Innovations in Glaucoma cross-sectional study representing three axial myopia groups (non-myopia: n=163 eyes; mild myopia: n=218 eyes; high myopia (AL>26 mm): n=57 eyes) who completed macular optical coherence tomography (OCT) and OCT-angiography imaging were included. Associations of AL and VFMD with the thickness of the ganglion cell inner plexiform layer (GCIPL), macular retinal nerve fibre layer (mRNFL), ganglion cell complex (GCC), macular choroidal thickness (mCT) and sVD were evaluated., Results: Thinner Global GCIPL and GCC were significantly associated with worse VFMD (R
2 =34.5% and R2 =32.9%; respectively p<0.001), but not with AL (all p>0.1). Thicker mRNFL showed a weak association with increasing AL (R2 =2.4%; p=0.005) and a positive association with VFMD (global R2 =19.2%; p<0.001). Lower sVD was weakly associated with increasing AL (R2 =1.8%; p=0.028) and more strongly associated with more severe glaucoma VFMD (R2 =29.6%; p<0.001). Thinner mCT was associated with increasing AL (R2 =15.5% p<0.001) and not associated with VFMD (p=0.194). mRNFL was thickest while mCT was thinnest in all sectors of high myopic eyes., Conclusions: As thinner GCIPL and GCC were associated with increasing severity of glaucoma but were not significantly associated with AL, they may be useful for monitoring glaucoma in highly myopic eyes., Competing Interests: Competing interests: RNW: Consulting: Eyenovia, Aerie Pharmaceuticals, Allergan; Research Funding or Equipment: Bausch & Lomb, Heidelberg Engineering, Carl Zeiss Meditec, Konan Medical, Optovue, Centervue; Patent: Toromedes, Carl Zeiss Meditec-Zeiss. LMZ: Research Funding and Equipment: Heidelberg Engineering; Research Equipment: Optovue Inc, Carl Zeiss Meditec Inc, Topcon Medical Systems Inc; Patent: Carl Zeiss Meditec., (© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.)- Published
- 2023
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11. Use of the Decipher genomic classifier among men with prostate cancer in the United States.
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Zaorsky NG, Proudfoot JA, Jia AY, Zuhour R, Vince R Jr, Liu Y, Zhao X, Hu J, Schussler NC, Stevens JL, Bentler S, Cress RD, Doherty JA, Durbin EB, Gershman S, Cheng I, Gonsalves L, Hernandez BY, Liu L, Morawski BM, Schymura M, Schwartz SM, Ward KC, Wiggins C, Wu XC, Shoag JE, Ponsky L, Dal Pra A, Schaeffer EM, Ross AE, Sun Y, Davicioni E, Petkov V, and Spratt DE
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- Male, Humans, United States epidemiology, Risk Assessment methods, Prostate-Specific Antigen, Prostate surgery, Prostate pathology, Genomics, Prostatic Neoplasms epidemiology, Prostatic Neoplasms genetics, Prostatic Neoplasms therapy
- Abstract
Background: Management of localized or recurrent prostate cancer since the 1990s has been based on risk stratification using clinicopathological variables, including Gleason score, T stage (based on digital rectal exam), and prostate-specific antigen (PSA). In this study a novel prognostic test, the Decipher Prostate Genomic Classifier (GC), was used to stratify risk of prostate cancer progression in a US national database of men with prostate cancer., Methods: Records of prostate cancer cases from participating SEER (Surveillance, Epidemiology, and End Results) program registries, diagnosed during the period from 2010 through 2018, were linked to records of testing with the GC prognostic test. Multivariable analysis was used to quantify the association between GC scores or risk groups and use of definitive local therapy after diagnosis in the GC biopsy-tested cohort and postoperative radiotherapy in the GC-tested cohort as well as adverse pathological findings after prostatectomy., Results: A total of 572 545 patients were included in the analysis, of whom 8927 patients underwent GC testing. GC biopsy-tested patients were more likely to undergo active active surveillance or watchful waiting than untested patients (odds ratio [OR] =2.21, 95% confidence interval [CI] = 2.04 to 2.38, P < .001). The highest use of active surveillance or watchful waiting was for patients with a low-risk GC classification (41%) compared with those with an intermediate- (27%) or high-risk (11%) GC classification (P < .001). Among National Comprehensive Cancer Network patients with low and favorable-intermediate risk, higher GC risk class was associated with greater use of local therapy (OR = 4.79, 95% CI = 3.51 to 6.55, P < .001). Within this subset of patients who were subsequently treated with prostatectomy, high GC risk was associated with harboring adverse pathological findings (OR = 2.94, 95% CI = 1.38 to 6.27, P = .005). Use of radiation after prostatectomy was statistically significantly associated with higher GC risk groups (OR = 2.69, 95% CI = 1.89 to 3.84)., Conclusions: There is a strong association between use of the biopsy GC test and likelihood of conservative management. Higher genomic classifier scores are associated with higher rates of adverse pathology at time of surgery and greater use of postoperative radiotherapy.In this study the Decipher Prostate Genomic Classifier (GC) was used to analyze a US national database of men with prostate cancer. Use of the GC was associated with conservative management (ie, active surveillance). Among men who had high-risk GC scores and then had surgery, there was a 3-fold higher chance of having worrisome findings in surgical specimens., (© The Author(s) 2023. Published by Oxford University Press.)
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- 2023
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12. Transcriptomic Signatures Associated With Outcomes in Recurrent Prostate Cancer Treated With Salvage Radiation, Androgen-Deprivation Therapy, and Enzalutamide: Correlative Analysis of the STREAM Trial.
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Bitting RL, Wu Y, Somarelli JA, Proudfoot JA, Liu Y, Davicioni E, George DJ, and Armstrong AJ
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- Male, Humans, Transcriptome, Androgen Antagonists therapeutic use, Androgens, Prostate-Specific Antigen, Prospective Studies, Retrospective Studies, Recurrence, Prostatic Neoplasms drug therapy, Prostatic Neoplasms genetics, Myocardial Infarction
- Abstract
Purpose: Men with rising prostate-specific antigen (PSA) after radical prostatectomy (RP) may progress despite radiation and androgen-deprivation therapy (ADT). Tissue-based transcriptomic signatures can identify who may benefit from a more aggressive systemic approach., Methods: We performed a retrospective analysis of a prospective phase II multicenter trial of enzalutamide, ADT, and salvage radiotherapy in men with rising PSA after RP. Tumor tissue was analyzed using the Decipher platform for gene expression, including a novel prostate subtyping classifier, PTEN loss, homologous recombination deficiency (HRD), and ADT response. Cox models were used to associate signature scores with progression-free survival (PFS)., Results: Of the 38 men enrolled, 31 had tissue with sufficient-quality RNA for genomic analysis. Luminal differentiated (LD) subtype tumors had the longest 3-year PFS at 89% compared with 19% in the luminal proliferating subtype. Men with signatures of PTEN loss (hazard ratio [HR], 1.32; 95% CI, 1.07 to 1.64; P = .01) or HRD (HR, 1.21; 95% CI, 1.05 to 1.39; P = .009) had worse PFS, while those with higher ADT response signature scores (HR, 0.75; 95% CI, 0.61 to 0.94; P = .01) were associated with improved PFS. Analysis of these signatures in a large cohort (n = 5,330) of RP samples from patients with biochemical recurrence found that these signatures provide complementary information related to outcomes with salvage radiation., Conclusion: Despite aggressive systemic therapy with salvage radiation, nearly 50% of high-risk men relapse within 3 years. We show that LD and higher ADT sensitivity tumors had favorable outcomes. Those with a luminal proliferating subtype, PTEN loss, and/or HRD signatures had poor outcomes despite ADT/radiation and enzalutamide and may benefit from alternative approaches.
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- 2023
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13. A novel prostate cancer subtyping classifier based on luminal and basal phenotypes.
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Weiner AB, Liu Y, Hakansson A, Zhao X, Proudfoot JA, Ho J, Zhang JH, Li EV, Karnes RJ, Den RB, Kishan AU, Reiter RE, Hamid AA, Ross AE, Tran PT, Davicioni E, Spratt DE, Attard G, Lotan TL, Lee Kiang Chua M, Sweeney CJ, and Schaeffer EM
- Subjects
- Humans, Male, Receptors, Androgen genetics, Docetaxel, Androgen Antagonists, Gene Expression Profiling, Phenotype, Biomarkers, Tumor genetics, Prognosis, Prostatic Neoplasms diagnosis, Prostatic Neoplasms genetics, Prostatic Neoplasms pathology
- Abstract
Background: Prostate cancer (PCa) is a clinically heterogeneous disease. The creation of an expression-based subtyping model based on prostate-specific biological processes was sought., Methods: Unsupervised machine learning of gene expression profiles from prospectively collected primary prostate tumors (training, n = 32,000; evaluation, n = 68,547) was used to create a prostate subtyping classifier (PSC) based on basal versus luminal cell expression patterns and other gene signatures relevant to PCa biology. Subtype molecular pathways and clinical characteristics were explored in five other clinical cohorts., Results: Clustering derived four subtypes: luminal differentiated (LD), luminal proliferating (LP), basal immune (BI), and basal neuroendocrine (BN). LP and LD tumors both had higher androgen receptor activity. LP tumors also had a higher expression of cell proliferation genes, MYC activity, and characteristics of homologous recombination deficiency. BI tumors possessed significant interferon γactivity and immune infiltration on immunohistochemistry. BN tumors were characterized by lower androgen receptor activity expression, lower immune infiltration, and enrichment with neuroendocrine expression patterns. Patients with LD tumors had less aggressive tumor characteristics and the longest time to metastasis after surgery. Only patients with BI tumors derived benefit from radiotherapy after surgery in terms of time to metastasis (hazard ratio [HR], 0.09; 95% CI, 0.01-0.71; n = 855). In a phase 3 trial that randomized patients with metastatic PCa to androgen deprivation with or without docetaxel (n = 108), only patients with LP tumors derived survival benefit from docetaxel (HR, 0.21; 95% CI, 0.09-0.51)., Conclusions: With the use of expression profiles from over 100,000 tumors, a PSC was developed that identified four subtypes with distinct biological and clinical features., Plain Language Summary: Prostate cancer can behave in an indolent or aggressive manner and vary in how it responds to certain treatments. To differentiate prostate cancer on the basis of biological features, we developed a novel RNA signature by using data from over 100,000 prostate tumors-the largest data set of its kind. This signature can inform patients and physicians on tumor aggressiveness and susceptibilities to treatments to help personalize cancer management., (© 2023 The Authors. Cancer published by Wiley Periodicals LLC on behalf of American Cancer Society.)
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- 2023
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14. Correlation of ganglion cell complex thinning with baseline deep and superficial macular vessel density in glaucoma.
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Wu JH, Moghimi S, Nishida T, Proudfoot JA, Kamalipour A, Zangwill LM, and Weinreb RN
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- Humans, Fluorescein Angiography methods, Retinal Vessels, Intraocular Pressure, Visual Field Tests, Nerve Fibers, Retinal Ganglion Cells, Tomography, Optical Coherence methods, Glaucoma, Open-Angle diagnosis, Glaucoma
- Abstract
Background/aims: To investigate the relationship between ganglion cell complex (GCC) thinning and baseline deep and superficial macular vessel density (VD) in glaucoma., Methods: 97 eyes of 69 primary open-angle glaucoma (POAG) and glaucoma suspect patients from the Diagnostics Innovations in Glaucoma Study with a minimum of 4 visits and 2 years of follow-up after baseline optical coherence tomography angiography (OCTA) examination were included. OCTA 3×3 mm
2 macular scans were acquired at each visit and used to calculate superficial and deep parafoveal VD (pfVD) and OCT-based parafoveal GCC (pfGCC) thickness. Association of baseline superficial and deep pfVD with pfGCC thinning rate was evaluated using linear mixed model., Results: The included subjects had a baseline mean visual field mean deviation (95% CI) of -2.9 (-3.7 to -2.1) dB and a mean follow-up period of 3.6 years. In the univariable model, lower baseline superficial pfVD and higher mean intraocular pressure (IOP) during follow-up were significantly associated with a faster pfGCC thinning rate (p<0.05 for all), while deep pfVD was not (p=0.177). In the multivariable model, faster pfGCC thinning was correlated with higher mean IOP during follow-up (β=-0.05, p=0.002) and lower baseline superficial pfVD (β=-0.04, p=0.011). Eyes with a baseline superficial pfVD in the lowest tertile (≤46%) had significantly faster pfGCC loss compared with eyes with baseline superficial pfVD greater than 46% (p=0.015)., Conclusion: Lower baseline superficial pfVD, but not deep pfVD, was associated with faster pfGCC thinning in glaucoma. Moreover, superficial macular VD may help predict central macula thinning in patients with glaucoma., Competing Interests: Competing interests: LMZ reported grants from the National Eye Institute; grants and nonfinancial support from Heidelberg Engineering, non-financial support from Carl Zeiss Meditec, Optovue, and Topcon. RNW reported nonfinancial support from Heidelberg Engineering, Carl Zeiss Meditec, Konan Medical, Optovue, Centervue and Topcon; grants from the National Eye Institute; personal fees from Allergan, Equinox, Nicox and Topcon; all outside the submitted work., (© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.)- Published
- 2023
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15. Relationship of macular ganglion cell complex thickness to choroidal microvasculature drop-out in primary open-angle glaucoma.
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Micheletti E, Moghimi S, El-Nimri N, Nishida T, Suh MH, Proudfoot JA, Kamalipour A, Zangwill LM, and Weinreb RN
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- Humans, Intraocular Pressure, Nerve Fibers, Retinal Ganglion Cells, Tomography, Optical Coherence methods, Microvessels, Glaucoma, Open-Angle diagnosis, Optic Disk blood supply
- Abstract
Background/aims: To investigate the rate of ganglion cell complex (GCC) thinning in primary open-angle glaucoma (POAG) patients with and without deep-layer microvasculature drop-out (MvD)., Methods: POAG patients who had at least 1.5 years of follow-up and a minimum of three visits were included from the Diagnostic Innovations in Glaucoma Study. MvD was detected at baseline by optical coherence tomography angiography (OCT-A). Area and angular circumference of MvD were evaluated on en face choroidal vessel density images and horizontal B-scans. Rates of global and hemisphere GCC thinning were compared in MvD and non-MvD eyes using linear mixed-effects models., Results: Thirty-six eyes with MvD and 37 eyes without MvD of 63 patients were followed for a mean of 3.3 years. In 30 out of 36 eyes, MvD was localised in the inferotemporal region. While mean baseline visual field mean deviation was similar between the two groups (p=0.128), global GCC thinning was significantly faster in eyes with MvD than in those without MvD (mean differences: -0.50 (95% CI -0.83 to -0.17) µm/year; p=0.003)). Presence of MvD, area and angular circumference of MvD were independently associated with a faster rate of thinning (p=0.002, p=0.031 and p=0.013, respectively)., Conclusion: In POAG eyes, GCC thinning is faster in eyes with MvD. Detection of MvD in OCT-A images can assist clinicians to identify patients who are at higher risk for central macula thinning and glaucomatous progression and may require more intensive management., Competing Interests: Competing interests: Acknowledgment/financial support: National Institutes of Health/National Eye Institute Grants R01EY029058, R01EY011008, R01EY026574, R01EY019869 and R01EY027510; Core Grant P30EY022589; by the donors of the National Glaucoma Research Program (no grant number); a programme of the BrightFocus Foundation Grant (G2017122); an Unrestricted Grant from Research to Prevent Blindness (New York, NY); UC Tobacco Related Disease Research Program (T31IP1511); and grants for participants’ glaucoma medications from Alcon, Allergan, Pfizer, Merck, and Santen. Financial Disclosures: Eleonora Micheletti: none; SM: none; TN: none; NE-N: none; MHS: none ; JAP: none ; AK: none; LMZ: National Eye Institute (F), Carl Zeiss Meditec (F), Heidelberg Engineering(F), OptoVue (F, R), Topcon Medical Systems Inc. (F, R) Merck (C); Robert N. Weinreb: Allergan (C), Eyenovia (C), Topcon (C), Heidelberg Engineering (F), Carl Zeiss Meditec (F), Konan (F), OptoVue (F), Topcon (F), Centervue (F)., (© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2023
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16. Long-term reproducibility of optical coherence tomography angiography in healthy and stable glaucomatous eyes.
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Nishida T, Moghimi S, Hou H, Proudfoot JA, Chang AC, David RCC, Kamalipour A, El-Nimri N, Rezapour J, Bowd C, Zangwill LM, and Weinreb RN
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- Humans, Tomography, Optical Coherence methods, Reproducibility of Results, Fluorescein Angiography methods, Retinal Vessels diagnostic imaging, Intraocular Pressure, Visual Fields, Glaucoma, Open-Angle diagnosis, Glaucoma, Ocular Hypertension
- Abstract
Background/aims: To assess and compare long-term reproducibility of optic nerve head (ONH) and macula optical coherence tomography angiography (OCTA) vascular parameters and optical coherence tomography (OCT) thickness parameters in stable primary open-angle glaucoma (POAG), glaucoma suspect and healthy eyes., Methods: Eighty-eight eyes (15 healthy, 38 glaucoma suspect and 35 non-progressing POAG) of 68 subjects who had at least three visits within 1-1.5 years with OCTA and OCT imaging (Angiovue; Optovue, Fremont, California, USA) on the same day were included. A series of vascular and thickness parameters were measured including macular parafoveal vessel density (pfVD), ONH circumpapillary capillary density (cpCD), macular parafoveal ganglion cell complex (pfGCC) and ONH circumpapillary retinal nerve fibre layer (cpRNFL). A random effects analysis of variance model was used to estimate intraclass correlation (ICC) coefficients and long-term variability estimates., Results: ICC was lower for OCTA (pfVD 0.823 (95% CI 0.736 to 0.888) and cpCD 0.871 (0.818 to 0.912)) compared with OCT (pfGCC 0.995 (0.993 to 0.997) and cpRNFL 0.975 (0.964 to 0.984)). Within-subject test-retest SD was 1.17% and 1.22% for pfVD and cpCD, and 0.57 and 1.22 µm for pfGCC and cpRNFL. Older age and lower signal strength index were associated with decreasing long-term variability of vessel densities., Conclusions: OCTA-measured macula and ONH vascular parameters have good long-term reproducibility, supporting the use of this instrument for longitudinal analysis. OCTA long-term reproducibility is less than OCT-measured thickness reproducibility. This needs to be taken into consideration when serial OCTA images are evaluated for change., Trial Registration Number: NCT00221897., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2023
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17. Transcriptomic Heterogeneity in High-risk Prostate Cancer and Implications for Extraprostatic Disease at Presentation on Prostate-specific Membrane Antigen Positron Emission Tomography.
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Smith CP, Proudfoot JA, Boutros PC, Reiter RE, Valle L, Rettig MB, Nickols NG, Feng FY, Nguyen PL, Nagar H, Spratt DE, Attard G, Weiner A, Weidhaas JB, Calais J, Ma TM, Davicioni E, Xiang M, and Kishan AU
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- Male, Humans, Transcriptome, Positron Emission Tomography Computed Tomography methods, Gallium Radioisotopes, Positron-Emission Tomography, Prostate diagnostic imaging, Prostatic Neoplasms diagnostic imaging, Prostatic Neoplasms genetics
- Abstract
Prostate-specific membrane antigen (PSMA) positron emission tomography (PET) has greater specificity and sensitivity for detection of extraprostatic prostate cancer (PCa) at presentation than conventional imaging. Although the long-term clinical significance of acting on these findings is unknown, it has been shown that the risk of upstaging is prognostic for long-term outcomes in men with high-risk (HR) or very high-risk (VHR) PCa. We evaluated the association between the risk of upstaging on PSMA PET and the Decipher genomic classifier score, a known prognostic biomarker in localized PCa that is being evaluated for its predictive ability to direct systemic therapy intensification. In a cohort of 4625 patients with HR or VHR PCa, the risk of upstaging on PSMA PET was significantly correlated with the Decipher score (p < 0.001). These results should be seen as hypothesis-generating and warrant further studies on the causal pathways linking PSMA findings, Decipher scores, extraprostatic disease, and long-term clinical outcomes. PATIENT SUMMARY: We found significant correlation between the risk of having prostate cancer outside the prostate gland on a sensitive scan (based on prostate-specific membrane antigen [PSMA]) at initial staging and the Decipher genetic score. The results warrant further studies on the causal pathways between PSMA scan findings, Decipher scores, disease outside the prostate, and long-term outcomes., (Copyright © 2023 European Association of Urology. Published by Elsevier B.V. All rights reserved.)
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- 2023
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18. A Deep Learning Approach to Improve Retinal Structural Predictions and Aid Glaucoma Neuroprotective Clinical Trial Design.
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Christopher M, Hoseini P, Walker E, Proudfoot JA, Bowd C, Fazio MA, Girkin CA, De Moraes CG, Liebmann JM, Weinreb RN, Schwartzman A, Zangwill LM, and Welsbie DS
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- Humans, Cross-Sectional Studies, Neuroprotection, Intraocular Pressure, Nerve Fibers, Visual Fields, Retinal Ganglion Cells, Tomography, Optical Coherence methods, Clinical Trials as Topic, Deep Learning, Glaucoma diagnosis
- Abstract
Purpose: To investigate the efficacy of a deep learning regression method to predict macula ganglion cell-inner plexiform layer (GCIPL) and optic nerve head (ONH) retinal nerve fiber layer (RNFL) thickness for use in glaucoma neuroprotection clinical trials., Design: Cross-sectional study., Participants: Glaucoma patients with good quality macula and ONH scans enrolled in 2 longitudinal studies, the African Descent and Glaucoma Evaluation Study and the Diagnostic Innovations in Glaucoma Study., Methods: Spectralis macula posterior pole scans and ONH circle scans on 3327 pairs of GCIPL/RNFL scans from 1096 eyes (550 patients) were included. Participants were randomly distributed into a training and validation dataset (90%) and a test dataset (10%) by participant. Networks had access to GCIPL and RNFL data from one hemiretina of the probe eye and all data of the fellow eye. The models were then trained to predict the GCIPL or RNFL thickness of the remaining probe eye hemiretina., Main Outcome Measures: Mean absolute error (MAE) and squared Pearson correlation coefficient (r
2 ) were used to evaluate model performance., Results: The deep learning model was able to predict superior and inferior GCIPL thicknesses with a global r2 value of 0.90 and 0.86, r2 of mean of 0.90 and 0.86, and mean MAE of 3.72 μm and 4.2 μm, respectively. For superior and inferior RNFL thickness predictions, model performance was slightly lower, with a global r2 of 0.75 and 0.84, r2 of mean of 0.81 and 0.82, and MAE of 9.31 μm and 8.57 μm, respectively. There was only a modest decrease in model performance when predicting GCIPL and RNFL in more severe disease. Using individualized hemiretinal predictions to account for variability across patients, we estimate that a clinical trial can detect a difference equivalent to a 25% treatment effect over 24 months with an 11-fold reduction in the number of patients compared to a conventional trial., Conclusions: Our deep learning models were able to accurately estimate both macula GCIPL and ONH RNFL hemiretinal thickness. Using an internal control based on these model predictions may help reduce clinical trial sample size requirements and facilitate investigation of new glaucoma neuroprotection therapies., Financial Disclosure(s): Proprietary or commercial disclosure may be found after the references., (Copyright © 2022. Published by Elsevier Inc.)- Published
- 2023
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19. Phase II Randomized Study of Salvage Radiation Therapy Plus Enzalutamide or Placebo for High-Risk Prostate-Specific Antigen Recurrent Prostate Cancer After Radical Prostatectomy: The SALV-ENZA Trial.
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Tran PT, Lowe K, Tsai HL, Song DY, Hung AY, Hearn JWD, Miller S, Proudfoot JA, Deek MP, Phillips R, Lotan T, Paller CJ, Marshall CH, Markowski M, Dipasquale S, Denmeade S, Carducci M, Eisenberger M, DeWeese TL, Orton M, Deville C, Davicioni E, Liauw SL, Heath EI, Greco S, Desai NB, Spratt DE, Feng F, Wang H, Beer TM, and Antonarakis ES
- Subjects
- Male, Humans, Prostate pathology, Androgen Antagonists adverse effects, Salvage Therapy, Neoplasm Recurrence, Local drug therapy, Prostatectomy, Prostate-Specific Antigen, Prostatic Neoplasms drug therapy, Prostatic Neoplasms radiotherapy, Prostatic Neoplasms surgery
- Abstract
Purpose: We sought to investigate whether enzalutamide (ENZA), without concurrent androgen deprivation therapy, increases freedom from prostate-specific antigen (PSA) progression (FFPP) when combined with salvage radiation therapy (SRT) in men with recurrent prostate cancer after radical prostatectomy (RP)., Patients and Methods: Men with biochemically recurrent prostate cancer after RP were enrolled into a randomized, double-blind, phase II, placebo-controlled, multicenter study of SRT plus ENZA or placebo (ClinicalTrials.gov identifier: NCT02203695). Random assignment (1:1) was stratified by center, surgical margin status (R0 v R1), PSA before salvage treatment (PSA ≥ 0.5 v < 0.5 ng/mL), and pathologic Gleason sum (7 v 8-10). Patients were assigned to receive either ENZA 160 mg once daily or matching placebo for 6 months. After 2 months of study drug therapy, external-beam radiation (66.6-70.2 Gy) was administered to the prostate bed (no pelvic nodes). The primary end point was FFPP in the intention-to-treat population. Secondary end points were time to local recurrence within the radiation field, metastasis-free survival, and safety as determined by frequency and severity of adverse events., Results: Eighty-six (86) patients were randomly assigned, with a median follow-up of 34 (range, 0-52) months. Trial arms were well balanced. The median pre-SRT PSA was 0.3 (range, 0.06-4.6) ng/mL, 56 of 86 patients (65%) had extraprostatic disease (pT3), 39 of 86 (45%) had a Gleason sum of 8-10, and 43 of 86 (50%) had positive surgical margins (R1). FFPP was significantly improved with ENZA versus placebo (hazard ratio [HR], 0.42; 95% CI, 0.19 to 0.92; P = .031), and 2-year FFPP was 84% versus 66%, respectively. Subgroup analyses demonstrated differential benefit of ENZA in men with pT3 (HR, 0.22; 95% CI, 0.07 to 0.69) versus pT2 disease (HR, 1.54; 95% CI, 0.43 to 5.47; P
interaction = .019) and R1 (HR, 0.14; 95% CI, 0.03 to 0.64) versus R0 disease (HR, 1.00; 95% CI, 0.36 to 2.76; Pinteraction = .023). There were insufficient secondary end point events for analysis. The most common adverse events were grade 1-2 fatigue (65% ENZA v 53% placebo) and urinary frequency (40% ENZA v 49% placebo)., Conclusion: SRT plus ENZA monotherapy for 6 months in men with PSA-recurrent high-risk prostate cancer after RP is safe and delays PSA progression relative to SRT alone. The impact of ENZA on distant metastasis or survival is unknown at this time.- Published
- 2023
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20. Prostate Cancer Tumor Volume and Genomic Risk.
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Ramaswamy A, Proudfoot JA, Ross AE, Davicioni E, Schaeffer EM, and Hu JC
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Background: Despite the historic association of higher prostate cancer volume with worse oncologic outcomes, little is known about the impact of tumor volume on cancer biology., Objective: To characterize the relationship between tumor volume (measured by percent positive cores [PPC]) and cancer biology (measured by Decipher genomic risk classifier [GC]) in men who underwent prostate biopsy., Design Setting and Participants: Prostate biopsies from 52 272 men profiled with Decipher captured in a population-based prospective tumor registry were collected from 2016 to 2021., Outcome Measurements and Statistical Analysis: The degree of distribution and correlation of PPC with a GC score across grade group (GG) strata were examined using the Mann-Whitney U test, Pearson correlation coefficient, and multivariable linear regression controlled for clinicopathologic characteristics., Results and Limitations: A total of 38 921 (74%) biopsies passed quality control (14 331 GG1, 16 159 GG2, 5661 GG3, 1775 GG4, and 995 GG5). Median PPC and GC increased with sequentially higher GG. There was an increasingly positive correlation ( r ) between PPC and GC in GG2-5 prostate cancer ( r [95% confidence interval {CI}]: 0.07 [0.5, 0.8] in GG2, 0.15 [0.12, 0.17] in GG3, 0.20 [0.15, 0.24] in GG4, and 0.25 [0.19, 0.31] in GG5), with no correlation in GG1 disease ( r = 0.01, 95% CI [-0.001, 0.03]). In multivariable linear regression, GC was significantly associated with higher PPC for GG2-5 (all p < 0.05) but was not significantly associated with PPC for GG1. Limitations include retrospective design and a lack of final pathology from radical prostatectomy specimens., Conclusions: Higher tumor volume was associated with worse GC for GG2-5 prostate cancer, whereas tumor volume was not associated with worse GC for GG1 disease. The finding that tumor volume is not associated with worse cancer biology in GG1 disease encourages active surveillance for most patients irrespective of tumor volume., Patient Summary: We studied the relationship between prostate cancer tumor volume and cancer biology, as measured by the Decipher genomic risk score, in men who underwent prostate biopsy. We found that tumor volume was not associated with worse cancer biology for low-grade prostate cancer. Our findings reassuringly support recent guidelines to recommend active surveillance for grade group 1 prostate cancer in most patients, irrespective of tumor volume., (© 2022 The Authors.)
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- 2023
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21. Effect of Testing Frequency on the Time to Detect Glaucoma Progression With Optical Coherence Tomography (OCT) and OCT Angiography.
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Mahmoudinezhad G, Moghimi S, Proudfoot JA, Brye N, Nishida T, Yarmohammadi A, Kamalipour A, Zangwill LM, and Weinreb RN
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- Humans, Retinal Ganglion Cells, Visual Fields, Retrospective Studies, Longitudinal Studies, Computer Simulation, Angiography, Intraocular Pressure, Tomography, Optical Coherence methods, Glaucoma diagnosis
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Purpose: To determine how the frequency of testing affects the time required to detect statistically significant glaucoma progression for circumpapillary retinal nerve fiber layer (cpRNFL) with optical coherence tomography (OCT) and circumpapillary capillary density (cpCD) with OCT angiography (OCTA)., Design: Retrospective, observational cohort study., Methods: In this longitudinal study, 156 eyes of 98 patients with glaucoma followed up over an average of 3.5 years were enrolled. Participants with 4 or more OCT and OCTA tests were included to measure the longitudinal rates of cpRNFL thickness and cpCD change over time using linear regression. Estimates of variability were then used to re-create real-world cpRNFL and cpCD data by computer simulation to evaluate the time required to detect progression for various loss rates and different testing frequencies., Results: The time required to detect a statistically significant negative cpRNFL and cpCD slope decreased as the testing frequency increased, albeit not proportionally. cpCD detected progression slightly earlier than cpRNFL. Eighty percent of eyes with a cpCD loss of -1%/y were detected after 6.0, 4.2, and 4 years when testing was performed 1, 2, and 3 times per year, respectively. Progression in 80% of eyes with a cpRNFL loss of -1 µm/y was detected after 6.3, 5.0, and 4.2 years, respectively., Conclusions: cpRNFL and cpCD are comparable in detecting progression. As there were only small changes in the time to detect progression when testing increased from 2 to 3 times per year, testing twice per year may provide sufficient information for detecting progression with either OCT or OCTA in clinical settings., (Copyright © 2022 Elsevier Inc. All rights reserved.)
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- 2023
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22. Longitudinal Structure-Function Relationship between Macular Vessel Density and Thickness and Central Visual Field in Early Glaucoma.
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Mohammadzadeh V, Moghimi S, Nishida T, Proudfoot JA, Eslani M, Kamalipour A, El-Nimri N, Micheletti E, Zangwill LM, and Weinreb RN
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- Humans, Fluorescein Angiography methods, Intraocular Pressure, Nerve Fibers, Retinal Ganglion Cells, Retinal Vessels, Structure-Activity Relationship, Tomography, Optical Coherence methods, Visual Field Tests, Visual Fields, Glaucoma complications, Glaucoma diagnosis, Glaucoma, Open-Angle, Optic Disk
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Purpose: To investigate the relationship of longitudinal changes in macular vessel density (VD) from OCT angiography and in ganglion cell complex (GCC) from OCT with central visual field (VF) in eyes with early glaucoma., Design: Observational cohort., Participants: A total of 95 eyes, 37 preperimetric and 58 with early glaucoma (24-2 VF mean deviation [MD] ≥ -6 decibels), with an average follow-up of 3.8 years and 5.3 visits, were included., Methods: Whole-image VD (wiVD) and whole-image GCC (wiGCC) and parafoveal scans, as well as localized regions of interest (LROIs), hemiretinae of whole images, and superior, inferior, temporal, and nasal sectors of parafoveal maps, were matched with central VF locations. Age-adjusted rates of change of VD, GCC, mean sensitivity of VF locations, and 10-2 VF MD were calculated using linear mixed-effect models. Normalized rates of change were calculated for comparison of change rates in wiVD and wiGCC., Main Outcome Measures: Structure-function (SF) correlations of VD and GCC with central VF measurement change rates and comparison of different correlations of SF relationships after bootstrapping the difference of the correlation coefficients., Results: Vessel density loss and GCC thinning demonstrated significant correlations with central VF damage, globally and with most LROIs. The SF correlation (r, 95% confidence interval [CI]) between wiVD and 10-2 VF MD change rates was 0.42 [0.24, 0.58], whereas it was 0.27 [0.08, 0.45] between wiGCC and 10-2 VF MD changes rates (all P < 0.05). In contrast to GCC thinning, VD loss in the parafoveal sectors demonstrated significant correlations with central VF damage in inferior and temporal sectors. Differences in the relationship of SF with central VF damage were not significant between VD loss and GCC thinning. The mean (95% CI) normalized change rates of wiVD (-7.40 [-7.71 to 7.09] %/year) was faster than that of wiGCC (-2.39 [-2.94 to 1.84] %/year) (P < 0.05)., Conclusions: Rates of VD loss and GCC thinning are associated with central VF loss over time. Assessment of both macular VD and GCC thickness should be considered for evaluation of glaucoma progression., (Copyright © 2022 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.)
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- 2022
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23. Detecting Glaucoma from Fundus Photographs Using Deep Learning without Convolutions: Transformer for Improved Generalization.
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Fan R, Alipour K, Bowd C, Christopher M, Brye N, Proudfoot JA, Goldbaum MH, Belghith A, Girkin CA, Fazio MA, Liebmann JM, Weinreb RN, Pazzani M, Kriegman D, and Zangwill LM
- Abstract
Purpose: To compare the diagnostic accuracy and explainability of a Vision Transformer deep learning technique, Data-efficient image Transformer (DeiT), and ResNet-50, trained on fundus photographs from the Ocular Hypertension Treatment Study (OHTS) to detect primary open-angle glaucoma (POAG) and identify the salient areas of the photographs most important for each model's decision-making process., Design: Evaluation of a diagnostic technology., Subjects Participants and Controls: Overall 66 715 photographs from 1636 OHTS participants and an additional 5 external datasets of 16 137 photographs of healthy and glaucoma eyes., Methods: Data-efficient image Transformer models were trained to detect 5 ground-truth OHTS POAG classifications: OHTS end point committee POAG determinations because of disc changes (model 1), visual field (VF) changes (model 2), or either disc or VF changes (model 3) and Reading Center determinations based on disc (model 4) and VFs (model 5). The best-performing DeiT models were compared with ResNet-50 models on OHTS and 5 external datasets., Main Outcome Measures: Diagnostic performance was compared using areas under the receiver operating characteristic curve (AUROC) and sensitivities at fixed specificities. The explainability of the DeiT and ResNet-50 models was compared by evaluating the attention maps derived directly from DeiT to 3 gradient-weighted class activation map strategies., Results: Compared with our best-performing ResNet-50 models, the DeiT models demonstrated similar performance on the OHTS test sets for all 5 ground-truth POAG labels; AUROC ranged from 0.82 (model 5) to 0.91 (model 1). Data-efficient image Transformer AUROC was consistently higher than ResNet-50 on the 5 external datasets. For example, AUROC for the main OHTS end point (model 3) was between 0.08 and 0.20 higher in the DeiT than ResNet-50 models. The saliency maps from the DeiT highlight localized areas of the neuroretinal rim, suggesting important rim features for classification. The same maps in the ResNet-50 models show a more diffuse, generalized distribution around the optic disc., Conclusions: Vision Transformers have the potential to improve generalizability and explainability in deep learning models, detecting eye disease and possibly other medical conditions that rely on imaging for clinical diagnosis and management., (© 2022 Published by Elsevier Inc. on behalf of American Academy of Ophthalmology.)
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- 2022
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24. The Association Between Regional Macula Vessel Density and Central Visual Field Damage in Advanced Glaucoma Eyes.
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Ghahari E, Bowd C, Zangwill LM, Proudfoot JA, Penteado RC, Kyung H, Hou H, Moghimi S, and Weinreb RN
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- Humans, Intraocular Pressure, Nerve Fibers, Retinal Ganglion Cells, Retinal Vessels, Tomography, Optical Coherence methods, Visual Field Tests, Visual Fields, Glaucoma, Glaucoma, Open-Angle diagnosis
- Abstract
Prcis: Both macular superficial vessel density and ganglion cell complex (GCC) thickness measurement are significantly associated with regional and global 10-degree central visual field (VF) sensitivity in advanced glaucoma., Purpose: The purpose of this study was to evaluate the regional and global structure-function relationships between macular vessel density (MVD) assessed by optical coherence tomography angiography (OCTA) and 10-2 VF sensitivity in advanced open angle glaucoma eyes., Methods: Macular OCTA and 10-2 VF sensitivity of 44 patients [mean deviation (MD) <-10 dB] were evaluated. Regional and global VF mean sensitivity (MS) was calculated from total deviation plots. Superficial and deep MVD were obtained from 3 × 3 and 6×6 mm 2 OCTA scans using 2 sectoral definitions. Spectral-domain optical coherence tomography macular GCC thickness was obtained simultaneously from the same scan as the MVD measurements. Linear regression models were used to assess the associations ( R2 )., Results: Lower MS was significantly associated with a reduction in superficial MVD and GCC in each region of both scan sizes for both maps. Associations were weaker in the individual sectors of the whole image grid than the Early Treatment Diabetic Retinopathy Study map. Deep-layer MVD was not associated with central MS. Although 6×6 mm 2 and perifoveal vessel density had better associations with central 10-degree MS compared with GCC thickness (eg, R2 from 25.7 to 48.1 µm and 7.8% to 32.5%, respectively), GCC associations were stronger than MVD associations in the central 5-degree MS., Conclusions: Given a stronger MVD-central 10-degree VF association compared with GCC, as well as stronger GCC-central 5-degree VF association compared with MVD, MVD and GCC are complementary measurements in eyes with advanced glaucoma. A longitudinal analysis is needed to determine the relative utility of the GCC and MVD measurements., Competing Interests: Disclosure: C.B.: F: National Eye Institute. L.M.Z.: F: National Eye Institute, Carl Zeiss Meditec Inc., Heidelberg Engineering GmbH, Optovue Inc., Topcon Medical Systems Inc.; R: Heidelberg Engineering; C: Allergan. R.N.W.: C: Aerie Pharmaceuticals, Allergan, Eyenovia, Topcon; F: Heidelberg Engineering, Centervue, Optovue, Topcon, Carl Zeiss Meditec Inc., Research to Prevent Blindness (New York, NY), National Eye Institute. The remaining authors declare no conflict of interest., (Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.)
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- 2022
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25. Severe acne and its variants: Exploring its natural history and heritability.
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Greywal T, Kusari A, Han AM, Borok J, Proudfoot JA, Ahluwalia J, and Friedlander SF
- Subjects
- Adult, Doxycycline therapeutic use, Female, Humans, Isotretinoin therapeutic use, Male, Minocycline adverse effects, Treatment Outcome, Acne Vulgaris diagnosis, Acne Vulgaris drug therapy, Acne Vulgaris genetics, Cicatrix pathology
- Abstract
Background: Acne vulgaris varies in clinical severity, from minimal comedonal disease to severe hemorrhagic and ulcerative lesions with scarring. While a family history confers a higher risk for developing acne, the correlation between heritability and clinical severity remains unclear., Objective: To examine the natural history and heritability of severe acne with scarring in patients undergoing isotretinoin therapy., Methods: A total of 101 subjects with severe acne with scarring and its variants, including acne conglobata and acne fulminans, were enrolled. All subjects and adult family members underwent an interview regarding their acne, and a corresponding "historical" Investigator's Global Assessment (hIGA) score (0 = clear, 1 = almost clear, 2 = mild, 3 = moderate, 4 = severe, 5 = very severe) was assigned. Study assessors performed an "examination" Investigator's Global Assessment (eIGA) based on the clinical examination of each subject (0 = clear, 1 = almost clear, 2 = mild, 3 = moderate, 4 = severe, 5 = very severe). A detailed family history and pedigree were documented., Results: Most subjects were Caucasian (44.5%) and male (79.2%) who had previously used doxycycline and/or minocycline (86.1%). The mean eIGA and hIGA scores were 2.7 and 4.4, respectively. 37.2% of subjects had one first-degree relative with a history of moderate or severe acne with scarring; of note, of the patients with hemorrhagic disease, 30% had at least one parent with moderate or severe acne., Conclusions: Severe forms of acne often "cluster" in families, underscoring the heritable nature of acne and the prognostic value of a family history of moderate or severe disease., (© 2022 Wiley Periodicals LLC.)
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- 2022
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26. Comparison of Optic Disc Ovality Index and Rotation Angle Measurements in Myopic Eyes Using Photography and OCT Based Techniques.
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Rezapour J, Tran AQ, Bowd C, El-Nimri NW, Belghith A, Christopher M, Brye N, Proudfoot JA, Dohleman J, Fazio MA, Jonas JB, Weinreb RN, and Zangwill LM
- Abstract
Purpose: To compare optic nerve head (ONH) ovality index and rotation angle measurements based on semi-automated delineation of the clinical ONH margin derived from photographs and automated BMO configuration derived from optical coherence tomography (OCT) images in healthy and glaucomatous eyes with high-, mild- and no axial myopia., Methods: One hundred seventy-five healthy and glaucomatous eyes of 146 study participants enrolled in the Diagnostic Innovations in Glaucoma Study (DIGS) with optic disc photographs and Spectralis OCT ONH scans acquired on the same day were stratified by level of axial myopia (non-myopic [ n = 56, axial length (AL) <24 mm], mild-myopic [ n = 58, AL 24-26 mm] and high-myopic [ n = 32, AL >26 mm]. The clinical disc margin of each photograph was manually annotated, and semi-automated measurements were recorded of the ovality index and rotation angle based on a best-fit ellipse generated using ImageJ software. These semi-automated photograph-based measurements were compared to ovality index and rotation angle generated from custom automated BMO-based analysis using segmented OCT ONH volumes. R
2 values from linear mixed effects models were used to describe the associations between semi-automated, photograph-based and automated OCT-based measurements., Results: Average (95% CI) axial length was 23.3 (23.0, 23.3) mm, 24.8 (24.7, 25.0) mm and 26.8 (26.6, 27.0) mm in non-myopic, mild-myopic and high-myopic eyes, respectively (ANOVA, p ≤ 0.001 for all). The R2 association (95% CI) between semi-automated photograph-based and automated OCT-based assessment of ONH OI for all eyes was [0.26 (0.16, 0.36); p < 0.001]. This association was weakest in non-myopic eyes [0.09 (0.01, 0.26); p = 0.02], followed by mild-myopic eyes [0.13 (0.02, 0.29); p = 0.004] and strongest in high-myopic eyes [0.40 (0.19, 0.60); p < 0.001]. No significant associations were found between photography- and OCT-based assessment of rotation angle with R2 values ranging from 0.00 (0.00, 0.08) in non-myopic eyes to 0.03 (0.00, 0.21) in high-myopic eyes (all associations p ≥ 0.33)., Conclusions: Agreement between photograph-based and automated OCT-based ONH morphology measurements is limited, suggesting that these methods cannot be used interchangeably for characterizing myopic changes in the ONH., Competing Interests: RW Consultant: Abbvie, Aerie Pharmaceuticals, Allergan, Equinox, Eyenovia, Iantrek, Implandata, Ioptic, Nicox, Topcon Financial support: Carl Zeiss Meditec., Bausch & Lomb, Konan, Centervue, Optos, Heidelberg Engineering, National Eye Institute, National Institute for Minority Health and Health Disparities, Optovue, Centervue, Topcon Patent: Toromedes, Meditec-Zeiss. LZ Financial Support: National Eye Institute, Carl Zeiss Meditec Inc., Heidelberg Engineering GmbH, Optovue Inc., Topcon Medical Systems Inc. Patent: Zeiss Meditec. Abbvie (Consultant). The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Rezapour, Tran, Bowd, El-Nimri, Belghith, Christopher, Brye, Proudfoot, Dohleman, Fazio, Jonas, Weinreb and Zangwill.)- Published
- 2022
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27. Measurements of OCT Angiography Complement OCT for Diagnosing Early Primary Open-Angle Glaucoma.
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Kamalipour A, Moghimi S, Jacoba CM, Yarmohammadi A, Yeh K, Proudfoot JA, Hou H, Nishida T, David RC, Rezapour J, El-Nimri N, and Weinreb RN
- Subjects
- Angiography, Cross-Sectional Studies, Humans, Nerve Fibers, Retinal Ganglion Cells, Tomography, Optical Coherence methods, Visual Field Tests, Visual Fields, Glaucoma diagnosis, Glaucoma, Open-Angle diagnosis, Optic Disk blood supply
- Abstract
Purpose: To compare measurements of global and regional circumpapillary capillary density (cpCD) with retinal nerve fiber layer (RNFL) thickness and characterize their relationship with visual function in early primary open-angle glaucoma (POAG)., Design: Cross-sectional study., Participants: Eighty healthy eyes, 64 preperimetric eyes, and 184 mild POAG eyes from the Diagnostic Innovations in Glaucoma Study., Methods: Global and regional RNFL thickness and cpCD measurements were obtained using OCT and OCT angiography (OCTA). For direct comparison at the individual and diagnostic group level, RNFL thickness and capillary density values were converted to a normalized relative loss scale., Main Outcome Measures: Retinal nerve fiber layer thickness and cpCD normalized loss at the individual level and diagnostic group. Global and regional areas under the receiver operating characteristic curve (AUROC) for RNFL thickness and cpCD to detect preperimetric glaucoma and glaucoma, R
2 for the strength of associations between RNFL thickness function and capillary density function in diagnostic groups., Results: Both global and regional RNFL thickness and cpCD decreased progressively with increasing glaucoma severity (P < 0.05, except for temporal RNFL thickness). Global and regional cpCD relative loss values were higher than those of RNFL thickness (P < 0.05) in preperimetric glaucoma (except for the superonasal region) and glaucoma (except for the inferonasal and superonasal regions) eyes. Race, intraocular pressure (IOP), and cpCD were associated with greater cpCD than RNFL thickness loss in early glaucoma at the individual level (P < 0.05). Global measurements of capillary density (whole image capillary density and cpCD) had higher diagnostic accuracies than RNFL thickness in detecting preperimetric glaucoma and glaucoma (P < 0.05; except for cpCD/RNFL thickness comparison in glaucoma [P = 0.059]). Visual function was significantly associated with RNFL thickness and cpCD globally and in all regions (P < 0.05, except for temporal RNFL thickness-function association [P = 0.070])., Conclusions: Associations between capillary density and visual function were found in the regions known to be at highest risk for damage in preperimetric glaucoma eyes and all regions of mild glaucoma eyes. In early glaucoma, capillary density loss was more pronounced than RNFL thickness loss. Individual characteristics influence the relative magnitudes of capillary density loss compared with RNFL thickness loss. Retinal nerve fiber layer thickness and microvascular assessments are complementary and yield valuable information for the detection of early damages seen in POAG., (Copyright © 2021 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.)- Published
- 2022
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28. Dry Eye Symptom Severity and Visual Field Reliability Metrics.
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Camp AS, Long CP, Galor A, Yamane M, Proudfoot JA, and Weinreb RN
- Subjects
- Benchmarking, Humans, Intraocular Pressure, Lubricant Eye Drops, Reproducibility of Results, Visual Fields, Dry Eye Syndromes diagnosis, Glaucoma complications, Glaucoma diagnosis
- Abstract
Prcis: Tracking failure frequency (TFF) increases with dry eye symptom severity and in the left eye., Purpose: Symptoms of dry eye disease are commonly encountered in glaucoma patients and can be exacerbated by topical glaucoma medications. Dry eye disease may influence the reliability of visual field (VF) tests and impact the accurate interpretation of the results., Patients and Methods: Patients at the Veterans Administration Medical Center San Diego completed the 5-item Dry Eye Questionnaire before VF testing between December 2018 and February 2019. VF reliability metrics were recorded for each patient. Standard reliability metrics included fixation losses, false positive, and false negative rates. Gaze tracking (GT) metrics included percent of stimuli with gaze deviations between 1 and 2 degrees, 3 and 5 degrees, 6 degrees or greater, and percent of stimuli with tracking failure (TFF). The use of glaucoma medications and artificial tears was also recorded., Results: A total of 494 patients completed the 5-item Dry Eye Questionnaire and VF testing. There was no association between dry eye symptom severity and standard reliability metrics or most GT metrics. However, TFF increased as dry eye symptom severity increased (P=0.015). TFF was also greater in the left eye, which was tested second (P=0.012); no other reliability metrics were related to laterality. Patients were more likely to use artificial tears with increased dry eye symptom severity (P<0.001), but there was no relationship between symptom severity and glaucoma medication use., Discussion: Dry eye symptom severity may influence the acceptable range or threshold of TFF when using GT metrics to determine VF reliability. Likewise, the acceptable range or threshold for TFF may be different between eyes., Competing Interests: Disclosure: The authors declare no conflict of interest., (Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.)
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- 2022
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29. Bruch Membrane Opening Detection Accuracy in Healthy Eyes and Eyes With Glaucoma With and Without Axial High Myopia in an American and Korean Cohort.
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Rezapour J, Proudfoot JA, Bowd C, Dohleman J, Christopher M, Belghith A, Vega SM, Dirkes K, Suh MH, Jonas JB, Hyman L, Fazio MA, Sella R, Afshari NA, Weinreb RN, and Zangwill LM
- Subjects
- Bruch Membrane, Cross-Sectional Studies, Humans, Intraocular Pressure, Nerve Fibers, Republic of Korea, Retinal Ganglion Cells, Tomography, Optical Coherence methods, Visual Fields, Glaucoma diagnosis, Myopia diagnosis
- Abstract
Purpose: To determine the predictors of Bruch membrane opening (BMO) location accuracy and the visibility of the BMO location in glaucoma and healthy individuals with and without axial high myopia., Design: Cross-sectional study., Methods: Healthy eyes and eyes with glaucoma from an American study and a Korean clinic population were classified into 2 groups: those with no axial high myopia (axial length [AL] <26 mm) and those with axial high myopia (AL ≥26 mm). The accuracy of the automated BMO location on optic nerve head Spectralis optical coherence tomography radial scans was assessed by expert reviewers., Results: Four hundred thirty-eight non-highly myopic eyes (263 subjects) and 113 highly myopic eyes (81 subjects) were included. In healthy eyes with and without axial high myopia, 9.1% and 1.7% had indiscernible BMOs while 54.5% and 87.6% were accurately segmented, respectively. More than a third (36.4%) and 10.7% of eyes with indiscernible BMOs were manually correctable (respectively, P = .017). In eyes with glaucoma with and without high myopia, 15.0% and 3.2% had indiscernible BMOs, 55.0% and 38.2% were manually corrected, and 30.0% and 58.7% were accurately segmented without the need for manual correction (respectively, P = .005). Having axial high myopia, a larger AL, a larger BMO tilt angle, a lower BMO ovality index (more oval), and a glaucoma diagnosis were significant predictors of BMO location inaccuracy in multivariable logistic regression analysis., Conclusions: As BMO location inaccuracy was 2.4 times more likely in eyes with high axial myopia regardless of diagnosis, optical coherence tomography images of high myopes should be reviewed carefully, and when possible, BMO location should be corrected before using optic nerve head scan results for the clinical management of glaucoma., (Copyright © 2021 Elsevier Inc. All rights reserved.)
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- 2022
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30. Multilayer Macula Vessel Density and Visual Field Progression in Glaucoma.
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Kamalipour A, Moghimi S, Hou H, Proudfoot JA, Nishida T, Zangwill LM, and Weinreb RN
- Subjects
- Disease Progression, Humans, Intraocular Pressure, Longitudinal Studies, Retinal Ganglion Cells, Retrospective Studies, Tomography, Optical Coherence methods, Vision Disorders diagnosis, Visual Field Tests, Visual Fields, Glaucoma, Glaucoma, Open-Angle diagnosis, Optic Disk
- Abstract
Purpose: To evaluate the association of macular superficial vessel density (SVD) and projection-resolved deep vessel density (DVD) with past visual field (VF) progression in patients with primary open-angle glaucoma., Design: Retrospective cohort., Methods: In this longitudinal study, 208 eyes of 147 patients with glaucoma from the Diagnostics Innovations in Glaucoma Study were included. Eligible participants were required to have at least five 24-2 VF tests over a minimum follow-up period of 3 years before macular optical coherence tomography angiography imaging. VF progression was defined based on both event-based pointwise linear regression and trend-based methods. The association of macular SVD and DVD with the probability and rate of past VF progression was evaluated using a linear mixed effects model., Results: Fifty-two (25%) eyes had VF progression based on the pointwise linear regression based criterion at the end of a mean ± standard deviation follow-up duration of 6.9 ± 1.2 years. In the event-based multivariable analysis, a lower baseline SVD was associated with a higher likelihood of past VF progression (odds ratio per 1% lower. 1.28; 95% confidence interval, 1.02-1.59). Similarly, in the trend-based multivariable analysis, lower macular SVD was associated with a faster past rate of mean deviation decline (coefficient = -0.03 dB/year; 95% confidence interval, -0.04 to -0.01). Event-based and trend-based analyses found no significant associations for macular DVD with the likelihood/rate of past VF progression (P > .05)., Conclusions: Lower macular SVD, and not DVD, was associated with a higher probability of past VF progression. Macular optical coherence tomography angiography imaging shows promise for identifying eyes at risk of VF progression in patients with glaucoma., (Copyright © 2021 Elsevier Inc. All rights reserved.)
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- 2022
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31. Detecting Glaucoma in the Ocular Hypertension Study Using Deep Learning.
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Fan R, Bowd C, Christopher M, Brye N, Proudfoot JA, Rezapour J, Belghith A, Goldbaum MH, Chuter B, Girkin CA, Fazio MA, Liebmann JM, Weinreb RN, Gordon MO, Kass MA, Kriegman D, and Zangwill LM
- Subjects
- Female, Humans, Intraocular Pressure, Male, Middle Aged, Visual Field Tests, Deep Learning, Glaucoma diagnosis, Glaucoma, Open-Angle, Ocular Hypertension diagnosis, Ocular Hypertension drug therapy, Optic Nerve Diseases diagnosis
- Abstract
Importance: Automated deep learning (DL) analyses of fundus photographs potentially can reduce the cost and improve the efficiency of reading center assessment of end points in clinical trials., Objective: To investigate the diagnostic accuracy of DL algorithms trained on fundus photographs from the Ocular Hypertension Treatment Study (OHTS) to detect primary open-angle glaucoma (POAG)., Design, Setting, and Participants: In this diagnostic study, 1636 OHTS participants from 22 sites with a mean (range) follow-up of 10.7 (0-14.3) years. A total of 66 715 photographs from 3272 eyes were used to train and test a ResNet-50 model to detect the OHTS Endpoint Committee POAG determination based on optic disc (287 eyes, 3502 photographs) and/or visual field (198 eyes, 2300 visual fields) changes. Three independent test sets were used to evaluate the generalizability of the model., Main Outcomes and Measures: Areas under the receiver operating characteristic curve (AUROC) and sensitivities at fixed specificities were calculated to compare model performance. Evaluation of false-positive rates was used to determine whether the DL model detected POAG before the OHTS Endpoint Committee POAG determination., Results: A total of 1147 participants were included in the training set (661 [57.6%] female; mean age, 57.2 years; 95% CI, 56.6-57.8), 167 in the validation set (97 [58.1%] female; mean age, 57.1 years; 95% CI, 55.6-58.7), and 322 in the test set (173 [53.7%] female; mean age, 57.2 years; 95% CI, 56.1-58.2). The DL model achieved an AUROC of 0.88 (95% CI, 0.82-0.92) for the OHTS Endpoint Committee determination of optic disc or VF changes. For the OHTS end points based on optic disc changes or visual field changes, AUROCs were 0.91 (95% CI, 0.88-0.94) and 0.86 (95% CI, 0.76-0.93), respectively. False-positive rates (at 90% specificity) were higher in photographs of eyes that later developed POAG by disc or visual field (27.5% [56 of 204]) compared with eyes that did not develop POAG (11.4% [50 of 440]) during follow-up. The diagnostic accuracy of the DL model developed on the optic disc end point applied to 3 independent data sets was lower, with AUROCs ranging from 0.74 (95% CI, 0.70-0.77) to 0.79 (95% CI, 0.78-0.81)., Conclusions and Relevance: The model's high diagnostic accuracy using OHTS photographs suggests that DL has the potential to standardize and automate POAG determination for clinical trials and management. In addition, the higher false-positive rate in early photographs of eyes that later developed POAG suggests that DL models detected POAG in some eyes earlier than the OHTS Endpoint Committee, reflecting the OHTS design that emphasized a high specificity for POAG determination by requiring a clinically significant change from baseline.
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- 2022
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32. Rates of Circumpapillary Retinal Nerve Fiber Layer Thinning and Capillary Density Loss in Glaucomatous Eyes with Disc Hemorrhage.
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Nishida T, Moghimi S, David RCC, Chang AC, Wu JH, El-Nimri N, Proudfoot JA, Kamalipour A, Zangwill LM, and Weinreb RN
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- Humans, Intraocular Pressure, Longitudinal Studies, Nerve Fibers, Retinal Hemorrhage diagnosis, Tomography, Optical Coherence methods, Glaucoma, Glaucoma, Open-Angle diagnosis
- Abstract
Purpose: To investigate longitudinal changes in rates of optic nerve head circumpapillary retinal nerve fiber layer (cpRNFL) thinning and vessel density loss in patients with primary open-angle glaucoma with or without a history of disc hemorrhage (DH)., Design: Observational cohort., Methods: In this longitudinal study, 34 eyes with DH and 134 eyes without DH that had ≥1.5 years of follow-up and 3 optical coherence tomography and optical coherence tomography angiography follow-up scans were enrolled. A linear mixed-effects model was used to compare the rates of cpRNFL thinning and vessel density loss between DH and non-DH eyes., Results: Rates of whole image capillary density loss were faster in the DH group compared with the non-DH group (mean difference [95% confidence interval] -0.32% [-0.59% to -0.04%] per year; P = .027). Faster mean rates of vessel density loss were found in the inferotemporal, inferonasal, and nasal sectors in eyes with DH than without DH (P < .05). There was no statistically significant difference in the global rate of cpRNFL thinning between the 2 groups (P = .679). The mean rate of cpRNFL thinning was faster in the DH group compared with the non-DH group only in the inferotemporal sector (mean difference [95% confidence interval] -1.01 μm (-1.62 μm to -0.40 μm) per year; P = .001)., Conclusions: Mean rates of vessel density loss between DH and non-DH eyes were different not only in the affected area but also in the other regions. In contrast, a significant difference in cpRNFL thinning between the 2 groups was detected only in the inferotemporal sector. Disc hemorrhage is an independent predictor of faster vessel density loss in glaucoma suspects and patients with primary open-angle glaucoma., (Copyright © 2021 Elsevier Inc. All rights reserved.)
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- 2022
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33. Macular Thickness and Microvasculature Loss in Glaucoma Suspect Eyes.
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Hou H, Moghimi S, Kamalipour A, Ekici E, Oh WH, Proudfoot JA, El-Nimri N, Penteado RC, Nishida T, David RC, and Weinreb RN
- Subjects
- Humans, Intraocular Pressure, Longitudinal Studies, Microvessels, Nerve Fibers, Prospective Studies, Retinal Ganglion Cells, Retinal Vessels, Tomography, Optical Coherence methods, Visual Fields, Glaucoma diagnosis, Glaucoma, Open-Angle diagnosis, Ocular Hypertension, Optic Nerve Diseases
- Abstract
Purpose: To characterize the change of ganglion cell complex (GCC) thickness and macular vessel density in glaucoma suspect eyes with ocular hypertension (OHT) or glaucomatous optic neuropathy (GON)., Design: Prospective, longitudinal study., Participants: Eight-three eyes (24 healthy, 30 OHT, and 29 GON) of 65 patients who underwent at least 3 visits were included from the Diagnostic Innovations in Glaucoma Study. The mean follow-up was at least 3 years., Methods: OCT angiography (OCTA)-based vessel density and OCT-based structural thickness of the 3 × 3-mm
1 GCC scan slab were evaluated at each visit. The rates of vessel density and thickness change were compared across diagnostic groups using a linear mixed-effects model., Main Outcome Measures: Change rates of macula GCC thickness and superficial vessel density., Results: Significant mean rates of both GCC thinning and vessel density loss were detectable in OHT and GON groups. Of the individual suspect eyes, 49.1% showed significant loss (P < 0.05) with either vessel density or GCC thickness. Of the GON eyes, 31.0% showed both significant GCC loss and vessel density loss, 51.7% showed only significant GCC loss, whereas 17.2% showed only significant vessel density loss. Vessel density loss was faster than GCC thinning in half of the suspect eyes based on percent loss analysis. The age and scan quality-adjusted GCC thinning rates of the OHT group (-0.59 μm/year; P = 0.025) and GON group (-0.79 μm/year; P = 0.058) were faster than those of the healthy group (-0.11 μm/year), whereas the rate of vessel density loss was not significantly different among the diagnostic groups (all P > 0.2). Higher mean intraocular pressure during follow-up was associated with faster GCC thinning in the OHT group (P = 0.065) and GON groups (P = 0.015), but was not associated with the rate of vessel density decrease., Conclusions: Whereas the rate of GCC thinning was faster on average in suspect eyes than in healthy eyes, some suspect eyes showed significant loss of vessel density and faster vessel density loss than GCC thinning. OCT and OCTA are complementary and useful for evaluating eyes with OHT or GON., (Copyright © 2021 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.)- Published
- 2022
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34. Agreement between Compass Fundus Perimeter New Grid and 10-2 Testing Protocols for Detecting Central Visual Field Defects.
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El-Nimri NW, Penteado RC, Bowd C, Proudfoot JA, Hou H, Manalastas PIC, Ghahari E, Zangwill LM, Moghimi S, and Weinreb RN
- Subjects
- Cross-Sectional Studies, Humans, Scotoma diagnosis, Visual Fields, Glaucoma diagnosis, Glaucoma, Open-Angle diagnosis
- Abstract
Purpose: To evaluate the agreement between Compass New Grid (NG) and 10-2 test protocols for detecting early glaucomatous defects in the central 10 degrees of the visual field (CVFD)., Design: Cross-sectional study., Participants: A total of 123 eyes of 14 healthy individuals, 17 glaucoma suspects, and 32 glaucoma patients were enrolled., Methods: Subjects performed NG and 10-2 Compass automated perimetry testing within 1 week. For both test protocols, total deviation (TD) and pattern deviation (PD) plot CVFDs were defined by 3 contiguous points with probabilities of <5%, <2%, <2% or <5%, <1%, <1%. Cohen's Kappa statistic was used to assess agreement between NG and 10-2 for identifying CVFDs. The Spectralis GMPE Hood Glaucoma Report (investigational software version) macula deviation analysis obtained within 1 year was used for calculating sensitivities and specificities of test protocols., Main Outcome Measures: Protocols' agreement, sensitivity, and specificity., Results: Fair to moderate agreement was observed between NG and 10-2 protocols for detecting presence of superior CVFDs on TD (k = 0.57) and PD (k = 0.26) plots and for detecting inferior CVFDs on TD (0.49) and PD (0.27) plots. With the use of OCT macula deviation maps, specificity for detecting CVFD was consistently higher with NG than 10-2 tests for TD plots of the superior hemifield (0.82 and 0.65), inferior hemifield (0.92 and 0.84), and PD plots of the superior hemifield (0.81 and 0.36) and inferior hemifield (0.86 and 0.52). Sensitivity of NG was consistently lower than TD plots of the superior hemifield (0.48 and 0.72), inferior hemifield (0.28 and 0.46), and PD plots of the superior hemifield (0.48 and 0.78) and inferior hemifield (0.20 and 0.52). By using pattern standard deviation (PSD) criterion, the mean PSD values for 10-2 and NG VF tests were 1.61 (95% confidence interval [CI], 1.26-1.96) and 1.81 (95% CI, 1.45-2.17) (P < 0.001), respectively., Conclusions: Although the Compass NG detected fewer CVFDs than the 10-2 test protocol, it did detect CVFDs that were not observed in the Compass 24-2 test in patients with early glaucoma. Therefore, NG may be particularly useful in clinical situations when higher specificity is desired or PSD criterion is used., (Copyright © 2021 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.)
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- 2022
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35. Standard Reliability and Gaze Tracking Metrics in Glaucoma and Glaucoma Suspects.
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Camp AS, Long CP, Patella VM, Proudfoot JA, and Weinreb RN
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- Cross-Sectional Studies, Eye-Tracking Technology, Humans, Reproducibility of Results, Retrospective Studies, Visual Field Tests methods, Visual Fields, Benchmarking, Glaucoma diagnosis
- Abstract
Purpose: To compare standard reliability metrics and gaze tracking (GT) metrics on the Humphrey field analyzer (HFA)., Design: Retrospective cross-sectional study., Methods: The study was performed at the VA Medical Center, San Diego, and included 494 glaucoma and glaucoma suspect patients who had an HFA 24-2 SITA Fast visual field (VF) performed in both eyes. Standard reliability metrics (fixation loss [FL], false-positive [FP], and false-negative [FN]) were compared to GT metrics (deviations of 1°-2° [M1], deviations of 3°-5° [M3], deviations >6° [M6], and tracking failure frequency [TFF]). The main outcome measures were Spearman rank-based correlation coefficient and area under the receiver operating characteristic (AUROC) curves between standard and GT reliability metrics., Results: The 95th percentile limits for GT metrics were 66.7% for M1, 67.5% for M3, 49.5% for M6, and 79.8% for TFF. There were statistically significant correlations between standard and GT reliability metrics using the 95th percentile as a binary cutoff for GT metrics. However, low Spearman correlation values and AUROC calculations suggest little clinical significance of the associations. FN increased as VF severity worsened (P < .001). M6 was lower in eyes with mild compared to moderate and advanced VF loss (P = .012)., Conclusions: GT metrics do not have a clinically significant association with standard reliability metrics. Both FN and M6 are influenced by VF severity. Aggregate GT metrics do not aid in reliability assessment. These findings suggest that GT metrics may provide an alternative or complementary measure of VF reliability., (Copyright © 2021 Elsevier Inc. All rights reserved.)
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- 2022
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36. Deep Learning Estimation of 10-2 and 24-2 Visual Field Metrics Based on Thickness Maps from Macula OCT.
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Christopher M, Bowd C, Proudfoot JA, Belghith A, Goldbaum MH, Rezapour J, Fazio MA, Girkin CA, De Moraes G, Liebmann JM, Weinreb RN, and Zangwill LM
- Subjects
- Aged, Benchmarking, Cross-Sectional Studies, Female, Follow-Up Studies, Glaucoma physiopathology, Humans, Male, Middle Aged, Deep Learning, Glaucoma diagnosis, Intraocular Pressure, Macula Lutea diagnostic imaging, Tomography, Optical Coherence methods, Visual Fields physiology
- Abstract
Purpose: To develop deep learning (DL) systems estimating visual function from macula-centered spectral-domain (SD) OCT images., Design: Evaluation of a diagnostic technology., Participants: A total of 2408 10-2 visual field (VF) SD OCT pairs and 2999 24-2 VF SD OCT pairs collected from 645 healthy and glaucoma subjects (1222 eyes)., Methods: Deep learning models were trained on thickness maps from Spectralis macula SD OCT to estimate 10-2 and 24-2 VF mean deviation (MD) and pattern standard deviation (PSD). Individual and combined DL models were trained using thickness data from 6 layers (retinal nerve fiber layer [RNFL], ganglion cell layer [GCL], inner plexiform layer [IPL], ganglion cell-IPL [GCIPL], ganglion cell complex [GCC] and retina). Linear regression of mean layer thicknesses were used for comparison., Main Outcome Measures: Deep learning models were evaluated using R
2 and mean absolute error (MAE) compared with 10-2 and 24-2 VF measurements., Results: Combined DL models estimating 10-2 achieved R2 of 0.82 (95% confidence interval [CI], 0.68-0.89) for MD and 0.69 (95% CI, 0.55-0.81) for PSD and MAEs of 1.9 dB (95% CI, 1.6-2.4 dB) for MD and 1.5 dB (95% CI, 1.2-1.9 dB) for PSD. This was significantly better than mean thickness estimates for 10-2 MD (0.61 [95% CI, 0.47-0.71] and 3.0 dB [95% CI, 2.5-3.5 dB]) and 10-2 PSD (0.46 [95% CI, 0.31-0.60] and 2.3 dB [95% CI, 1.8-2.7 dB]). Combined DL models estimating 24-2 achieved R2 of 0.79 (95% CI, 0.72-0.84) for MD and 0.68 (95% CI, 0.53-0.79) for PSD and MAEs of 2.1 dB (95% CI, 1.8-2.5 dB) for MD and 1.5 dB (95% CI, 1.3-1.9 dB) for PSD. This was significantly better than mean thickness estimates for 24-2 MD (0.41 [95% CI, 0.26-0.57] and 3.4 dB [95% CI, 2.7-4.5 dB]) and 24-2 PSD (0.38 [95% CI, 0.20-0.57] and 2.4 dB [95% CI, 2.0-2.8 dB]). The GCIPL (R2 = 0.79) and GCC (R2 = 0.75) had the highest performance estimating 10-2 and 24-2 MD, respectively., Conclusions: Deep learning models improved estimates of functional loss from SD OCT imaging. Accurate estimates can help clinicians to individualize VF testing to patients., (Copyright © 2021 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.)- Published
- 2021
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37. OCT Angiography Artifacts in Glaucoma.
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Kamalipour A, Moghimi S, Hou H, Penteado RC, Oh WH, Proudfoot JA, El-Nimri N, Ekici E, Rezapour J, Zangwill LM, Bowd C, and Weinreb RN
- Subjects
- Aged, Female, Fundus Oculi, Humans, Male, Retrospective Studies, Artifacts, Fluorescein Angiography methods, Optic Disk diagnostic imaging, Retinal Ganglion Cells pathology, Tomography, Optical Coherence methods, Visual Fields physiology
- Abstract
Purpose: To determine the prevalence of different types of artifacts seen in OCT angiography (OCTA) images of healthy and glaucoma eyes and evaluate the characteristics associated with poor-quality images., Design: Retrospective study., Participants: A total of 649 eyes of 368 healthy, glaucoma suspect, and glaucoma patients., Methods: Angiovue (Optovue Inc) high-density (HD) and non-HD optic nerve head and macula OCTA images of participants were evaluated by 4 expert reviewers for the presence of different artifacts, including eye movement, defocus, shadow, decentration, segmentation error, blink, and Z offset in the superficial vascular layer. Each OCTA scan was designated to have good or poor quality based on the presence of artifacts. The association of demographic and ocular characteristics with the likelihood of obtaining poor-quality OCTA images was evaluated., Main Outcome Measures: The prevalence of OCTA artifacts and the factors associated with increased likelihood of capturing poor-quality OCTA images., Results: A total of 5263 OCTA images were evaluated. Overall, 33.9% of the OCTA images had poor quality. The majority of images with acceptable quality scores (QS ≥ 4) had no artifacts (76.6%). Other images had 1 (13.6%) or 2 or more artifacts (9.8%). Older age (P < 0.001), male gender (P = 0.045), worse visual field mean deviation (P < 0.001), absence of eye tracking (P < 0.001), and macular scan area (P < 0.001) were associated with a higher likelihood of obtaining poor-quality images. In images with acceptable QS, the commercially available quality measures including QS and signal strength index had the area under the receiver operating characteristic curves of 0.65 (95% confidence interval [CI], 0.62-0.69) and 0.70 (95% CI, 0.68-0.73) to detect good-quality images, respectively., Conclusions: OCTA artifacts associated with poor-quality images are frequent, and their prevalence is affected by ocular and patient characteristics. One should not rely solely on the quantitative assessments that are provided automatically by OCTA instruments. A systematic scan review should be conducted to ensure appropriate interpretation of OCTA images. Given the high prevalence of poor-quality OCTA images, the images should be reacquired whenever an apparent and correctable artifact is present on a captured image., (Copyright © 2021 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.)
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- 2021
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38. Diurnal Variation of Retinal Vessel Density in Healthy Human Eyes.
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Wu JH, Penteado RC, Moghimi S, Zangwill LM, Proudfoot JA, and Weinreb RN
- Subjects
- Adolescent, Adult, Fluorescein Angiography, Humans, Intraocular Pressure, Prospective Studies, Retinal Vessels diagnostic imaging, Tomography, Optical Coherence, Glaucoma, Open-Angle
- Abstract
Precis: A small increase in optic nerve head vessel density (VD), but not macular VD, in the evening compared with the morning is observed in healthy subjects., Purpose: To evaluate the diurnal variation of the macular and optic nerve head (ONH) VD in healthy eyes as measured with optical coherence tomography angiography (OCT-A)., Methods: In this prospective study of healthy individuals older than 18 years old, VD parameters, including macular whole image vessel density, parafoveal vessel density, ONH whole image vessel density, ONH whole image capillary density, circumpapillary vessel density (cpVD), and circumpapillary capillary density, were measured with OCT-A at 4 time points throughout the day (8 am, 12 pm, 4 pm, and 8 pm)., Results: Twenty-nine healthy eyes were included from 15 subjects (mean age: 30.9 y). After adjustment for age and mean ocular perfusion pressure, a significant positive rate of change was found for cpVD (0.05%/h; P=0.027). In contrast, macular VD changes were not significantly different. When comparing morning (8 am and 12 pm) and evening (4 pm and 8 pm) measurements, there were small, but statistically significant, increases for all ONH measurements. The greatest increase was found for cpVD (0.58%; P=0.022). Significant but small increases in mean arterial pressure and mean ocular perfusion pressure were also observed., Conclusions: There was a small increase in ONH VD, but not macular VD, in the evening compared with the morning in healthy human eyes. As the observed difference was within the measurement variability, our results suggest the timing of OCT-A examination does not affect retinal VD measurements., Competing Interests: Disclosure: L.M.Z.: Research support—Carl Zeiss Meditec, Heidelberg Engineering, National Eye Institute, Topcon, and Nidek. R.N.W.: Research support—Carl Zeiss Meditec, Centervue, Heidelberg Engineering, National Eye Institute, Optovue, and Topcon; Consultant—Aerie Pharmaceuticals, Allergan, Equinox, Eyenovia, Implandata and Topcon. The remaining authors declare no conflict of interest., (Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.)
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- 2021
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39. Progressive Thinning of Retinal Nerve Fiber Layer and Ganglion Cell-Inner Plexiform Layer in Glaucoma Eyes with Disc Hemorrhage.
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Liu X, Lau A, Hou H, Moghimi S, Proudfoot JA, Chan E, Do J, Camp A, Welsbie D, Gustavo de Moraes C, Girkin CA, Liebmann JM, and Weinreb RN
- Subjects
- Hemorrhage, Humans, Nerve Fibers, Retinal Ganglion Cells, Tomography, Optical Coherence, Glaucoma, Glaucoma, Open-Angle diagnosis, Optic Disk
- Abstract
Purpose: To evaluate the thinning of the circumpapillary retinal nerve fiber layer (cpRNFL) and macular ganglion cell-inner plexiform layer (mGCIPL) in primary open-angle glaucoma eyes with and without a history of disc hemorrhage (DH)., Design: Observational cohort study., Participants: Thirty-nine 39 eyes (34 participants) with DH and 117 eyes (104 participants) without DH from the Diagnostic Innovations in Glaucoma Study and the African Decent and Glaucoma Evaluation Study., Methods: Participants had at least 1.5 years of follow-up, with a minimum of 3 visits with biannual spectral-domain OCT cpRNFL and mGCIPL thickness measurements and visual fields (VFs). The rates of cpRNFL and mGCIPL thinning were calculated using mixed-effects models. The dynamic range-based normalized rates of cpRNFL and mGCIPL thinning were calculated and compared between the DH and non-DH groups., Main Outcome Measures: Rates of cpRNFL and mGCIPL thinning., Results: The rate of mGCIPL thinning was significantly faster in the DH group compared with the non-DH group (-0.62 μm/year vs. -0.38 μm/year; P = 0.024). The rate of cpRNFL thinning in the DH quadrant and rate of mGCIPL thinning in the inferotemporal sector in the DH group were faster than the corresponding regions in the non-DH group after adjusting for intraocular pressure (-1.33 μm/year vs. -0.58 μm/year; P = 0.053) and race (-0.82 μm/year vs. -0.44 μm/year; P = 0.048). In the DH group, percent rate of loss was significantly faster for the mGCIPL than the cpRNFL (-1.59 %/year vs. -1.31 %/year; P = 0.046). Rates of mGCIPL thinning were associated weakly with mean deviation slope, VF index slope, and guided progression analysis (GPA). The areas under the receiver operating characteristic curve for VF progression were 0.75 for mGCIPL and 0.56 for cpRNFL in the DH group., Conclusions: The rate of mGCIPL and cpRNFL thinning was faster in DH eyes than non-DH eyes. Compared with cpRNFL, mGCIPL showed higher proportional rates of thinning and greater association with functional progression. In addition to cpRNFL, clinicians should consider incorporating mGCIPL imaging to monitor glaucoma progression, especially in glaucoma eyes with DH., (Copyright © 2021 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.)
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- 2021
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40. Rates of Retinal Nerve Fiber Layer Thinning in Distinct Glaucomatous Optic Disc Phenotypes in Early Glaucoma.
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David RCC, Moghimi S, Ekici E, Do JL, Hou H, Proudfoot JA, Kamalipour A, Nishida T, Girkin CA, Liebmann JM, and Weinreb RN
- Subjects
- Humans, Intraocular Pressure, Nerve Fibers, Phenotype, Tomography, Optical Coherence, Visual Fields, Glaucoma diagnosis, Glaucoma, Open-Angle diagnosis, Optic Disk
- Abstract
Purpose: To compare spectral-domain optical coherence tomography (SDOCT) measured circumpapillary retinal nerve fiber layer (cpRNFL) among 4 glaucomatous optic disc phenotypes in early glaucoma., Design: Clinical cohort study METHODS: In this study, 218 early glaucoma eyes that had at least 3 years of follow-up and a minimum of 4 SDOCT scans were recruited. The optic discs were classified into 4 types based on appearance: 76 generalized cup enlargement (GE), 53 focal ischemic (FI), 22 myopic glaucomatous (MY), and 67 senile sclerotic (SS). A linear mixed effects model was used to compare the rates of global and regional cpRNFL thinning among optic disc phenotypes., Results: After adjusting for confounders, the SS group (mean [95% CI]: -1.01 [-1.30, -0.73] µm/y) had the fastest mean rate of global cpRNFL thinning followed by FI (-0.77 [-0.97, -0.57] µm/y), MY (0.59 [-0.81, -0.36] µm/y), and GE (-0.58 [-0.75, -0.40] µm/y) at P < .001. The inferior temporal sector had the fastest rate of cpRNFL thinning among the regional measurements except for the MY group (-0.68 [-1.10, -0.26] µm/y, P = .002). In the multivariable analysis, GE (P = .002) and MY (P = .010) phenotypes were associated with significantly slower global rates of cpRNFL thinning compared with the SS phenotype., Conclusions: Rates of cpRNFL thinning were different among the 4 glaucomatous optic disc phenotypes. Those patients with early glaucoma with SS phenotype have the fastest cpRNFL thinning. These patients may benefit from more frequent monitoring and the need to advance therapy if cpRNFL thinning is detected., (Copyright © 2021 Elsevier Inc. All rights reserved.)
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- 2021
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41. Estimated Utility of the Short-term Assessment of Glaucoma Progression Model in Clinical Practice.
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Proudfoot JA, Zangwill LM, Moghimi S, Bowd C, Saunders LJ, Hou H, Belghith A, Medeiros FA, Williams-Steppe E, Acera T, Dirkes K, and Weinreb R
- Subjects
- Aged, Cohort Studies, Disease Progression, Female, Follow-Up Studies, Humans, Intraocular Pressure, Male, Nerve Fibers, Retinal Ganglion Cells, Tomography, Optical Coherence methods, Visual Field Tests, Glaucoma diagnosis, Glaucoma, Open-Angle diagnosis
- Abstract
Importance: Clinical trials of glaucoma therapies focused on protecting the optic nerve have required large sample sizes and lengthy follow-up to detect clinically relevant change due to its slow rate of progression. Whether shorter trials may be possible with more frequent testing and use of rate of change as the end point warrants further investigation., Objective: To describe the design for the Short-term Assessment of Glaucoma Progression (STAGE) model and provide guidance on sample size and power calculations for shorter clinical trials., Design, Setting, and Participants: A cohort study of patients with mild, moderate, or advanced open-angle glaucoma recruited from the Diagnostic Innovations in Glaucoma Study at the University of California, San Diego. Enrollment began in May 2012 with follow-up for every 3 months for 2 years after baseline examination. Follow-up was concluded in September 2016. Data were analyzed from July 2019 to January 2021. Visual fields (VF) and optic coherence tomography (OCT) scans were obtained at baseline and for 2 years with visits every 3 months., Exposures: Glaucoma was defined as glaucomatous appearing optic discs classified by disc photographs in at least 1 eye and/or repeatable VF damage at baseline., Main Outcomes and Measures: Longitudinal rates of change in retinal nerve fiber layer (RNFL) thickness and VF mean deviation (MD) are estimated in study designs of varying length and observation frequency. Power calculations as functions of study length, observation frequency, and sample size were performed., Results: In a total referred sample of 97 patients with mild, moderate, or advanced glaucoma (mean [SD] age, 69 [11.4] years; 50 [51.5%] were female; 19 [19.6%]), over the 2-year follow-up, the mean VF 24-2 MD slope was -0.32 dB/y (95% CI, -0.43 to -0.21 dB/y) and the mean RNFL thickness slope was -0.54 μm/y (95% CI, -0.75 to -0.32 μm/y). Sufficient power (80%) to detect similar group differences in the rate of change in both outcomes was attained with total follow-up between 18 months and 2 years and fewer than 300 total participants., Conclusions and Relevance: In this cohort study, results from the STAGE model with reduction of the rate of progression as the end point, frequent testing, and a moderate effect size, suggest that clinical trials to test efficacy of glaucoma therapy can be completed within 18 months of follow-up and with fewer than 300 participants.
- Published
- 2021
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42. Superficial and Deep Macula Vessel Density in Healthy, Glaucoma Suspect, and Glaucoma Eyes.
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El-Nimri NW, Manalastas PIC, Zangwill LM, Proudfoot JA, Bowd C, Hou H, Moghimi S, Penteado RC, Rezapour J, Ekici E, Shoji T, Ghahari E, Yarmohammadi A, and Weinreb RN
- Subjects
- Cross-Sectional Studies, Fluorescein Angiography, Humans, Intraocular Pressure, Nerve Fibers, Retinal Ganglion Cells, Retinal Vessels diagnostic imaging, Tomography, Optical Coherence, Visual Fields, Glaucoma diagnosis, Glaucoma, Open-Angle, Macula Lutea diagnostic imaging
- Abstract
Precis: Macular superficial capillary plexus (SCP) vessel density is more informative than deep capillary plexus (DCP) vessel density for the detection of glaucoma., Purpose: The purpose of this study was to characterize optical coherence tomography angiography macular SCP and projection-resolved DCP vessel densities and compare their diagnostic accuracies with ganglion cell complex (GCC) thickness in healthy, glaucoma suspect, and glaucoma eyes., Materials and Methods: Sixty-eight eyes of 44 healthy subjects, 26 eyes of 16 preperimetric glaucoma suspects, and 161 eyes of 124 glaucoma patients from the Diagnostics Innovations in Glaucoma Study with good quality high-density 6×6 mm2 macula optical coherence tomography angiography images were included. The diagnostic accuracy of SCP vessel density, projection-resolved DCP vessel density and GCC thickness were compared among groups., Results: Mean whole image vessel density (wiVD; % of area occupied by vessels containing flowing blood) in the SCP layer was highest in healthy eyes (49.7%), followed by glaucoma suspect eyes (46.0%), and glaucoma eyes (40.9%) (P<0.001). Mean wiVD in the DCP layer was similar in healthy (50.6%), glaucoma suspect (47.3%), and glaucoma eyes (45.7%) (P=0.925). Diagnostic accuracy of both GCC thickness and SCP wiVD was significantly higher than DCP wiVD for classifying healthy and glaucoma eyes [adjusted area under the receiver operating characteristic curve (95% confidence interval): GCC=0.86 (0.72, 0.94), SCP=0.80 (0.66, 0.91) and DCP=0.44 (0.30, 0.57)] (P<0.001)., Conclusions: SCP vessel densities have better diagnostic accuracy for detecting glaucoma than DCP vessel densities. Although the diagnostic accuracy of the macula SCP is relatively modest, it is more informative than the DCP., Competing Interests: Disclosure: P.I.C.M. was previously employed at Heidelberg Engineering, Alcon. L.M.Z. received financial support from National Eye Institute, Carl Zeiss Meditec Inc., Heidelberg Engineering GmbH, Optovue Inc., Topcon Medical Systems Inc. T.S. was a recipient at Alcon. R.N.W. received financial support from National Eye Institute, Heidelberg Engineering, Carl Zeiss Meditec, Konan, Optovue, Topcon, Centervue; is a consultant for Aerie Pharmaceuticals, Alcon, Allergan, Bausch & Lomb, Eyenovia. The remaining authors declare no conflict of interest., (Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.)
- Published
- 2021
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43. Agreement Between 10-2 and 24-2C Visual Field Test Protocols for Detecting Glaucomatous Central Visual Field Defects.
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Chakravarti T, Moghadam M, Proudfoot JA, Weinreb RN, Bowd C, and Zangwill LM
- Subjects
- Humans, Intraocular Pressure, Vision Disorders diagnosis, Visual Fields, Glaucoma diagnosis, Visual Field Tests
- Abstract
Precis: Moderate to substantial agreement between 10-2 and 24-2C perimetry for detecting central field defects suggests that adding central test points to the 24-2 protocol may improve efficiency of visual field (VF) testing for glaucoma management., Purpose: The purpose of this study was to assess agreement between Humphrey Visual Field Analyzer 10-2 and 24-2C test protocols for detecting glaucomatous defects in the central 10 degrees of the visual field (CVFDs)., Materials and Methods: VFs from 165 eyes of 18 healthy individuals, 12 glaucoma suspects and 62 glaucoma patients who completed 10-2 and 24-2C VF testing protocols within 6 months were included. CVFDs on 10-2 and 24-2C (within the central 22 points) test grids required a cluster of 3 contiguous points with P<5%, 5%, and 1% or <5%, 2%, and 2% within a hemifield on the total deviation (TD) or pattern deviation (PD) plot. Cohen kappa (k) was used to assess agreement between 10-2 and 24-2C test grids in identifying CVFDs. Specificity of each testing strategy was assessed in VFs from healthy eyes., Results: CVFDs in suspect and glaucoma eyes were combined and reported as localized to superior, inferior or both hemifields based on TD and PD plots for 10-2 and 24-2C test grids. Moderate to substantial agreement was observed between 10-2 and 24-2C grids for detecting any CVFD from PD (k=0.551) and TD (k=0.651) plots. Specificity was high in healthy eyes ranging from 0.94 to 1.0 for both test protocols., Conclusion: Substantial agreement for identifying CVFDs using the 24-2C and 10-2 protocols suggests that combining tests by adding central test points to the 24-2 test grid may supplant the need for 2 perimetry regimens for detecting central and peripheral glaucomatous VF damage., Competing Interests: Disclosure: R.N.W.: Consultant: Aerie Pharmaceuticals, Allergan, Bausch and Lomb, Eyenovia, Implantdata, Novartis; Financial support in the form of research materials: Bausch and Lomb, Carl Zeiss Meditec, Centervue, Heidelberg Engineering, Konan Medical, Optovue. L.M.Z.: Financial support and/or research equipment: Carl Zeiss Meditec, Heidelberg Engineering, Optovue, Topcon Medical Systems. The authors remaining declare no conflict of interest., (Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.)
- Published
- 2021
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44. The influence of axial myopia on optic disc characteristics of glaucoma eyes.
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Rezapour J, Bowd C, Dohleman J, Belghith A, Proudfoot JA, Christopher M, Hyman L, Jonas JB, Fazio MA, Weinreb RN, and Zangwill LM
- Subjects
- Aged, Cross-Sectional Studies, Deep Learning, Female, Glaucoma complications, Glaucoma diagnostic imaging, Humans, Male, Myopia complications, Myopia diagnostic imaging, Optic Disk diagnostic imaging, Tomography, Optical Coherence, Visual Fields, Glaucoma pathology, Myopia pathology, Optic Disk pathology
- Abstract
This study characterizes differences in glaucomatous eyes with and without high axial myopia using custom automated analysis of OCT images. 452 eyes of 277 glaucoma patients were stratified into non (n = 145 eyes), mild (n = 214 eyes), and high axial myopia (axial length (AL) > 26 mm, n = 93 eyes). Optic disc ovality index, tilt and rotation angle of Bruch´s membrane opening (BMO) and peripapillary choroidal thickness (PCT) were calculated using automated and deep learning strategies. High myopic optic discs were more oval and had larger BMO tilt than mild and non-myopic discs (both p < 0.001). Mean PCT was thinnest in high myopic eyes followed by mild and non-myopic eyes (p < 0.001). BMO rotation angle, global retinal nerve fiber layer (RNFL) thickness and BMO-minimum rim width (MRW) were similar among groups. Temporal RNFL was thicker and supranasal BMO-MRW was thinner in high myopic eyes. BMO tilt and PCT showed moderate and temporal RNFL and nasal BMO-MRW showed weak but significant associations with AL in multivariable analyses (all p < 0.05). Large BMO tilt angle and thin PCT are characteristics of highly myopic discs and were not associated with severity of glaucoma. Caution should be exercised when using sectoral BMO-MRW and RNFL thickness for glaucoma management decisions in myopic eyes.
- Published
- 2021
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45. Gene-Environment Interactions in Progressive Supranuclear Palsy.
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Litvan I, Proudfoot JA, Martin ER, Standaert D, Riley D, Hall D, Marras C, Bayram E, Dubinsky RM, Bordelon Y, Reich S, Shprecher D, Kluger B, Cunningham C, Schellenberg GD, and Jankovic J
- Abstract
Several genetic and environmental factors have been reported in progressive supranuclear palsy (PSP), although none were identified as a definitive cause. We aimed to explore potential gene-environment interactions in PSP. Two hundred and ninety two PSP cases and 292 controls matched for age, sex, and race from the ENGENE-PSP were analyzed to determine the association between PSP and minor alleles of 5 single nucleotide polymorphisms (SNPs) in 4 genes (MAPT, MOBP, EIF2AK3, and STX6), which were previously associated with PSP risk. Interactions between these SNPs and environmental factors, including previously reported occupational and agricultural risk factors for PSP, were assessed for PSP odds and age of symptom onset. Minor alleles of MAPTrs242557 and EIF2AK3rs7571971 were individually associated with increased odds; MAPTrs8070723 minor alleles were associated with lower PSP odds. There were several gene-environment interactions for PSP odds and age of symptom onset, however, they did not remain significant after FDR-correction. Larger scale studies are required to determine potential interactions., Competing Interests: IL supported by the National Institutes of Health grants: 2R01AG038791-06A, U01NS090259, U01NS100610, U01NS80818, R25NS098999, P20GM109025; U19 AG063911-1; 1R21NS114764-01A1; Michael J Fox Foundation, Lewy Body Association, Abbvie, Biogen, Centogene, Roche, EIP-Pharma and Biohaven Pharmaceuticals. She was member of a Lundbeck Advisory Board. She receives her salary from the University of California San Diego and as Chief Editor of Frontiers in Neurology. DSt supported by the Abbvie, Inc., the American Parkinson Disease Association, the Michael J. Fox Foundation for Parkinson Research, Alabama Department of Commerce, the Department of Defense, and NIH grants P50NS108675, R25NS079188, and T32NS095775. He has a clinical practice and is compensated for these activities through the University of Alabama Health Services Foundation. He has served as a consultant for or received honoraria from Abbvie Inc., Sutter Health, the International Parkinson Disease and Movement Disorder Society, Theravance, McGraw Hill, and Sanofi-Aventis. He is a member of the faculty of the University of Alabama at Birmingham and is supported by endowment and University funds. CM received research funding from The Michael J Fox Foundation, Canadian Institutes of Health Research, Parkinson's Foundation (US), International Parkinson and Movement Disorders Society. She is employed by University Health Network, contracted by Grey Matter Technologies, and receives financial compensation as a steering committee member from the Michael J Fox Foundation. DSh employed by Banner Health, received research support from the Arizona Alzheimer's Consortium, Abbvie, Acadia, Aptinyx, Axovant, Biogen, Eisai, Eli Lilly, Enterin, Neurocrine, Michael J Fox Foundation, NIH, Nuvelution, Theravance and Teva; consultant fees from Amneal, Forensis and Neurocrine; speaker honoraria from Acorda, Neurocrine, Sunovion, Teva and US World Meds. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2021 Litvan, Proudfoot, Martin, Standaert, Riley, Hall, Marras, Bayram, Dubinsky, Bordelon, Reich, Shprecher, Kluger, Cunningham, Schellenberg and Jankovic.)
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- 2021
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46. Racial Differences in the Rate of Change in Anterior Lamina Cribrosa Surface Depth in the African Descent and Glaucoma Evaluation Study.
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Girkin CA, Belghith A, Bowd C, Medeiros FA, Weinreb RN, Liebmann JM, Proudfoot JA, Zangwill LM, and Fazio MA
- Subjects
- Aged, Cross-Sectional Studies, Europe ethnology, Female, Glaucoma diagnosis, Glaucoma physiopathology, Humans, Incidence, Male, Nerve Fibers pathology, Race Factors, United States epidemiology, Visual Fields, Black or African American, Bruch Membrane pathology, Glaucoma ethnology, Intraocular Pressure physiology, Optic Disk pathology, Retinal Ganglion Cells pathology, Tomography, Optical Coherence methods
- Abstract
Purpose: The purpose of this study was to determine if the rate of change in the depth of the surface of the lamina cribrosa due to glaucomatous remodeling differs between glaucoma patients of African descent (AD) and European descent (ED)., Methods: There were 1122 images taken longitudinally over an average of 3 years (range = 0.9-4.1 years) from 122 patients with glaucoma followed in the African Descent and Glaucoma Evaluation Study (ADAGES) and Diagnostic Intervention and Glaucoma Study (DIGS) were automatically segmented to compute anterior lamina cribrosa surface depth (ALCSD). The rate of ALCSD change was compared across racial groups after adjusting for baseline characteristics known to be associated with ALCSD or disease progression (visual field, ALCSD, corneal thickness, optic disk size, and age)., Results: After adjusting for all other covariates, the ED group had significantly greater ALCSD posterior migration (deepening) than the AD group (difference = 2.57 µm/year, P = 0.035). There was a wider range of ALCSD change in the ED compared with the AD group, and more individuals had greater magnitude of both deepening and shallowing. No other covariates measured at baseline had independent effects on the longitudinal changes in ALCSD (baseline visual field severity, baseline ALCSD, corneal thickness, Bruch's membrane opening [BMO] area, or age)., Conclusions: Glaucomatous remodeling of the lamina cribrosa differs between AD and ED patients with glaucoma. Unlike the cross-sectional associations seen with aging, in which a deeper ALCSD was seen with age in the ED group, glaucomatous remodeling in this longitudinal study resulted in more posterior migration of ALCSD in ED compared to AD patients.
- Published
- 2021
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47. Evaluating the neuroprotective impact of senolytic drugs on human vision.
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El-Nimri NW, Moore SM, Zangwill LM, Proudfoot JA, Weinreb RN, Skowronska-Krawczyk D, and Baxter SL
- Subjects
- Adult, Aged, Aged, 80 and over, Animals, Cohort Studies, Disease Models, Animal, Female, Glaucoma pathology, Humans, Intraocular Pressure drug effects, Male, Mice, Middle Aged, Retinal Ganglion Cells drug effects, Retinal Ganglion Cells pathology, Retrospective Studies, Visual Acuity drug effects, Antibodies, Monoclonal, Humanized adverse effects, Dasatinib adverse effects, Glaucoma physiopathology, Imatinib Mesylate adverse effects, Vision, Ocular drug effects
- Abstract
Glaucoma, a chronic neurodegenerative disease of retinal ganglion cells (RGCs), is a leading cause of irreversible blindness worldwide. Its management currently focuses on lowering intraocular pressure to slow disease progression. However, disease-modifying, neuroprotective treatments for glaucoma remain a major unmet need. Recently, senescent cells have been observed in glaucomatous eyes, exposing a potential pathway for alternative glaucoma therapies. Prior studies demonstrated that targeting senescent RGCs for removal (i.e., a senolytic approach) protected healthy RGCs and preserved visual function in a mouse ocular hypertension model. However, the effects of senolytic drugs on vision in human patients are unknown. Here, we used existing clinical data to conduct a retrospective cohort study in 28 human glaucoma patients who had been exposed to senolytics. Senolytic exposure was not associated with decreased visual acuity, elevated intraocular pressure, or documentation of senolytic-related adverse ocular effects by treating ophthalmologists. Additionally, patients exposed to senolytics (n = 9) did not exhibit faster progression of glaucomatous visual field damage compared to matched glaucoma patients (n = 26) without senolytic exposure. These results suggest that senolytic drugs do not carry significant ocular toxicity and provide further support for additional evaluation of the potential neuroprotective effects of senolytics on glaucoma and other neurodegenerative diseases.
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- 2020
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48. Investigation of associations between Piezo1 mechanoreceptor gain-of-function variants and glaucoma-related phenotypes in humans and mice.
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Baxter SL, Keenan WT, Athanas AJ, Proudfoot JA, Zangwill LM, Ayyagari R, Liebmann JM, Girkin CA, Patapoutian A, and Weinreb RN
- Subjects
- Adult, Animals, Black People, Cohort Studies, Genotype, Glaucoma physiopathology, Humans, Intraocular Pressure, Mechanotransduction, Cellular, Mice, Retinal Ganglion Cells pathology, White People, Gain of Function Mutation, Glaucoma genetics, Ion Channels genetics, Phenotype
- Abstract
Glaucoma disproportionately affects individuals of African descent. Prior studies of the PIEZO1 mechanoreceptor have suggested a possible role in glaucoma pathophysiology. Here, we investigated associations between a Piezo1 gain-of-function variant common in individuals of African descent with glaucoma-related phenotypes. We analyzed whole genome sequences to identify Piezo1 variants and their frequencies among 1565 human participants. For the most common variant (e756del), we compared phenotypes between heterozygotes, homozygotes, and wildtypes. Longitudinal mixed effects models of visual field mean deviation (MD) and retinal nerve fiber layer (RNFL) thickness were used to evaluate progression. Based on trends in the models, further investigation was conducted using Piezo1 gain-of-function mice. About 30% of African descent individuals had at least one e756del allele. There were trends suggesting e756del was associated with higher IOPs, thinner RNFLs, lower optic nerve head capillary densities, and greater decreases in MD and RNFL thickness over time, but these did not reach statistical significance. Among mice, increased Piezo1 activity was not significantly associated with IOP or retinal ganglion cell density. Our study confirms that the Piezo1 e756del gain-of-function variant is a frequent polymorphism present in African descent individuals but is unrelated to examined differences in glaucoma phenotypes. Ongoing work is needed to elucidate the role of Piezo1-mediated mechanotransduction in glaucoma.
- Published
- 2020
- Full Text
- View/download PDF
49. Impact of Pupil Dilation on Optical Coherence Tomography Angiography Retinal Microvasculature in Healthy Eyes.
- Author
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Villatoro G, Bowd C, Proudfoot JA, Manalastas PIC, Nguyen KD, Hou H, Penteado RC, Li AJ, Moghimi S, Ghahari E, Weinreb RN, and Zangwill LM
- Subjects
- Administration, Ophthalmic, Adult, Aged, Capillaries anatomy & histology, Capillaries diagnostic imaging, Drug Combinations, Female, Healthy Volunteers, Humans, Intraocular Pressure, Male, Microvessels, Middle Aged, Ophthalmic Solutions, Retinal Vessels diagnostic imaging, Young Adult, Fluorescein Angiography, Mydriatics administration & dosage, Phenylephrine administration & dosage, Pupil drug effects, Retinal Vessels anatomy & histology, Tomography, Optical Coherence, Tropicamide administration & dosage
- Abstract
PRéCIS:: Small but significant decreases in optical coherence tomography angiography (OCTA)-measured circumpapillary capillary density (cpCD) were observed in healthy eyes dilated with 2.5% phenylephrine/0.5% tropicamide. Although likely clinically insignificant, ophthalmologists should consider these changes when interpreting OCTA results from dilated eyes., Purpose: The purpose of this study was to investigate the effect of pupil dilation using 2.5% phenylephrine and 0.5% tropicamide on quantitative assessment of retinal microvasculature using OCTA., Methods: OptoVue AngioVue high density (HD) and non-HD OCTA macula and optic nerve head (ONH) images were obtained at 15-minute intervals predilation and postdilation in 26 healthy participants (mean age: 40.0; 95% confidence interval=33.9, 46.1 y). Superficial macular vessel density (VD) was measured in the whole image VD and the parafoveal region VD. ONH capillary density was measured in the whole image capillary density and the cpCD region. Differences between predilation and postdilation densities were assessed using linear mixed effects models to account for within-patient correlation., Results: Instillation of dilating drops resulted in a small but statistically significant reduction in non-HD ONH whole image capillary density of 0.6%, from a mean of 45.2% (95% confidence interval=41.9%, 48.4%) to 44.6% (41.4%, 47.8%) (P=0.046). A similar reduction in non-HD ONH cpCD of 0.8% also was observed, from a mean of 49.3% (45.3%, 53.3%) to 48.5% (44.5%, 52.4%) (P=0.025). No postdilation decreases in macular VD or HD ONH capillary density were observed., Conclusions: Pupil dilation using topical 2.5% phenylephrine and 0.5% tropicamide results in a small but statistically significant reduction in non-HD ONH whole image and cpCD in healthy eyes. The observed reduction likely is not clinically significant because the observed reduction was within the previously reported range of measurement variability. Further studies should consider investigating these effects in nonhealthy eyes with glaucoma and media opacities, as well as older individuals.
- Published
- 2020
- Full Text
- View/download PDF
50. Gradient-Boosting Classifiers Combining Vessel Density and Tissue Thickness Measurements for Classifying Early to Moderate Glaucoma.
- Author
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Bowd C, Belghith A, Proudfoot JA, Zangwill LM, Christopher M, Goldbaum MH, Hou H, Penteado RC, Moghimi S, and Weinreb RN
- Subjects
- Aged, Cross-Sectional Studies, Female, Follow-Up Studies, Fundus Oculi, Glaucoma physiopathology, Humans, Intraocular Pressure, Male, Middle Aged, ROC Curve, Severity of Illness Index, Visual Fields, Fluorescein Angiography methods, Glaucoma diagnosis, Macula Lutea pathology, Optic Disk pathology, Retinal Vessels pathology, Tomography, Optical Coherence methods
- Abstract
Purpose: To compare gradient-boosting classifier (GBC) analysis of optical coherence tomography angiography (OCTA)-measured vessel density (VD) and OCT-measured tissue thickness to standard OCTA VD and OCT thickness parameters for classifying healthy eyes and eyes with early to moderate glaucoma., Design: Comparison of diagnostic tools., Methods: A total of 180 healthy eyes and 193 glaucomatous eyes with OCTA and OCT imaging of the macula and optic nerve head (ONH) were studied. Four GBCs were evaluated that combined 1) all macula VD and thickness measurements (Macula GBC), 2) all ONH VD and thickness measurements (ONH GBC), 3) all VD measurements from the macula and ONH (vessel density GBC), and 4) all thickness measurements from the macula and ONH (thickness GBC). ROC curve (AUROC) analyses compared the diagnostic accuracy of GBCs to that of standard instrument-provided parameters. A fifth GBC that combined all parameters (full GBC) also was investigated., Results: GBCs had better diagnostic accuracy than standard OCTA and OCT parameters with AUROCs ranging from 0.90 to 0.93 and 0.64 to 0.91, respectively. The full GBC (AUROC = 0.93) performed significantly better than the ONH GBC (AUROC = 0.91; P = .036) and the vessel density GBC (AUROC = 0.90; P = .010). All other GBCs performed similarly. The mean relative influence of each parameter included in the full GBC identified a combination of macular thickness and ONH VD measurements as the greatest contributors., Conclusions: GBCs that combine OCTA and OCT macula and ONH measurements can improve diagnostic accuracy for glaucoma detection compared to most but not all instrument provided parameters., (Copyright © 2020 Elsevier Inc. All rights reserved.)
- Published
- 2020
- Full Text
- View/download PDF
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