68 results on '"Dafna Gladman"'
Search Results
2. Pharmacodynamic effects of filgotinib treatment driving clinical improvement in patients with active psoriatic arthritis enrolled in the EQUATOR trial
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Dafna Gladman, Vinod Chandran, Oh Kyu Yoon, Jinfeng Liu, Vladislav A Malkov, Kaori L Ito, Yihua Liu, Lene Vestergaard, Mona Trivedi, and Angie Hertz
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Medicine - Abstract
Objectives The goal of this study was to identify protein and transcriptional biomarkers and pathways associated with baseline disease state, the effect of filgotinib (FIL) treatment on these biomarkers, and to investigate the mechanism of action of FIL on clinical improvement in patients with active psoriatic arthritis (PsA).Methods The phase II EQUATOR (NCT03101670) trial evaluated the efficacy of FIL, a Janus kinase 1-preferential inhibitor, in patients with PsA. Peripheral protein and gene expression levels in association with clinical state at baseline and post-treatment were assessed in 121 patients using linear mixed effects models for repeated measures analyses. Mediation analysis and structural equation modelling (SEM) were performed to investigate the mechanism of action of FIL at week 4 on downstream clinical improvement at week 16.Results Baseline analyses showed that markers of inflammation were significantly associated with multiple PsA clinical metrics, except for Psoriasis Area and Severity Index (PASI), which corresponded to Th17 markers. FIL treatment resulted in sustained transcriptional inhibition of immune genes and pathways, a sustained increase in B-cell fraction and mature B-cells in circulation, and a transient effect on other cell fractions. Mediation analysis revealed that changes in B cells, systemic inflammatory cytokines and neutrophils at week 4 were associated with changes in clinical metrics at week 16. SEM suggested that FIL improved PASI through reduction of IL-23 p19 and IL-12 p40 proteins.Conclusions Our results revealed that FIL treatment rapidly downregulates inflammatory and immune pathways associated with PsA disease activity corresponding to clinical improvement in PsA.Trial registration number NCT03101670.
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- 2023
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3. The effect of ixekizumab on axial manifestations in patients with psoriatic arthritis from two phase III clinical trials: SPIRIT-P1 and SPIRIT-P2
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Atul Deodhar, Dafna Gladman, Rebecca Bolce, David Sandoval, So Young Park, Soyi Liu Leage, Peter Nash, and Denis Poddubnyy
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Diseases of the musculoskeletal system ,RC925-935 - Abstract
Background: Psoriatic arthritis (PsA) is a chronic inflammatory condition predominantly affecting the peripheral joints. However, some patients with PsA can experience axial involvement which is manifested with back pain and associated with increased burden of illness. Objectives: The aim of this post hoc analysis was to determine the efficacy of ixekizumab (IXE) up to 52 weeks in reducing axial symptoms in PsA patients, presenting with axial manifestations. Design: This was a post hoc analysis of two pooled phase III clinical trials. Methods: Patients with axial manifestations, from two placebo-controlled, randomized, double-blind, phase III trials (SPIRIT-P1 and SPIRIT-P2), were defined as Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) Question 2 (Q2; back pain)] total score ⩾4 and average of BASDAI Q5 + Q6 (morning stiffness) ⩾4 at baseline. For this post hoc analysis, the efficacy of IXE was evaluated at weeks 16, 24, and 52 using separate BASDAI questions (including back pain and morning stiffness), total BASDAI and modified BASDAI (mBASDAI; without Q3), Ankylosing Spondylitis Disease Activity Score (ASDAS), and 50% improvement in BASDAI (BASDAI50) response. Treatment comparisons were performed using logistic regression and analysis of covariance model for categorical and continuous end points, respectively. Results: In the post hoc analysis among PsA patients with axial manifestations at baseline ( N = 313), improvements in back pain and morning stiffness at weeks 16 and 24 were significantly greater in patients receiving IXE versus placebo (both p
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- 2023
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4. LSO-083 ‘Systemic lupus erythematosus women with lupus nephritis in pregnancy therapeutic challenge (SWITCH)’: the systemic lupus international collaborating clinics experience
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Marta Mosca, Nathalie Costedoat-Chalumeau, Michelle Petri, Jill Buyon, Rosalind Ramsey-Goldman, Anca Askanase, Arielle Mendel, John G Hanly, Sang-Cheol Bae, Anisur Rahman, Paul R Fortin, Murat Inanc, Jorge Sanchez-Guerrero, Évelyne Vinet, Dafna Gladman, Murray Urowitz, David Isenberg, Ann E Clarke, Sasha Bernatsky, Anselm Mak, Daniel Wallace, and Joo-Young (Esther) Lee
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Immunologic diseases. Allergy ,RC581-607 - Published
- 2023
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5. 103 Exploratory segregation of patients upon their levels of anti- mitochondrial antibodies (AMAs) reveals associations between AMAs and disease manifestations
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Michelle Petri, Kenneth Kalunian, Susan Manzi, Cynthia Aranow, Ellen Ginzler, Jill Buyon, Rosalind Ramsey-Goldman, Anca Askanase, Ian N Bruce, Guillermo Ruiz-Irastorza, Juanita Romero-Diaz, Caroline Gordon, Sang-Cheol Bae, Anisur Rahman, Mary Anne Dooley, Paul R Fortin, Andreas Jönsen, Sam Lim, Murat Inanc, Søren Jacobsen, Jorge Sanchez-Guerrero, Eric Boilard, Dafna Gladman, Murray Urowitz, David Isenberg, Ann E Clarke, Sasha Bernatsky, Graciela Alarcon, Christian Lood, Ronald van Vollenhoven, John Hanly, Joan Merrill, Daniel Wallace, Tania Levesque, Christine Peschken, Anne-Sophie Julien, Diane Kamen, Emmanuelle Rollet-Labelle, Yann LC Becker, and Joannie Leclerc
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Immunologic diseases. Allergy ,RC581-607 - Published
- 2022
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6. 205 Longitudinal immune changes during and after recent flares in lupus
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Dafna Gladman, Murray Urowitz, David Brooks, Zahi Touma, Joan Wither, Kieran Manion, Michael Kim, Zoha Faheem, and Carolina Munoz-Grajales
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Immunologic diseases. Allergy ,RC581-607 - Published
- 2022
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7. Identification and Validation of a Urinary Biomarker Panel to Accurately Diagnose and Predict Response to Therapy in Lupus Nephritis
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Laura Whittall-Garcia, Kirubel Goliad, Michael Kim, Dennisse Bonilla, Dafna Gladman, Murray Urowitz, Paul R. Fortin, Eshetu G. Atenafu, Zahi Touma, and Joan Wither
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predictors of response ,urinary biomarker ,biomarkers ,lupus nephritis ,systemic lupus erythematosus ,Immunologic diseases. Allergy ,RC581-607 - Abstract
BackgroundWe have previously shown that 15 urinary biomarkers (of 129 tested by Luminex), discriminate between active Lupus Nephritis (ALN) and non-LN patients. The aim of this study was to evaluate the ability of these 15 previously-identified urinary biomarkers to predict treatment responses to conventional therapy, and for the most predictive of these biomarkers to validate their utility to identify ALN patients in an independent prospectively-acquired lupus cohort.MethodsOur study had a 3-stage approach. In stage 1, we used Luminex to examine whether our previously identified urinary biomarkers at the time of the renal flare ( ± 3 months) or 12 ± 3 months after treatment of biopsy-proven ALN could predict treatment responses. In stage 2, a larger prospectively-acquired cross-sectional cohort was used to further validate the utility of the most predictive urinary biomarkers (identified in stage 1) to detect ALN patients. In this 2nd stage, cut-offs with the best operating characteristics to detect ALN patients were produced for each biomarker and different combinations and/or numbers of elevated biomarkers needed to accurately identify ALN patients were analyzed. In stage 3, we aimed to further corroborate the sensitivity of the cut-offs created in stage 2 to detect ALN patients in a biopsy-proven ALN cohort who had a urine sample collection within 3 months of their biopsy.ResultsTwenty-one patients were included in stage 1. Twelve (57.1%), 4 (19.1%), and 5 (23.8%) patients had a complete (CR), partial (PR) and no (NR) remission at 24 ± 3 months, respectively. The percentage decrease following 12 ± 3 months of treatment for Adiponectin, MCP-1, sVCAM-1, PF4, IL-15 and vWF was significantly higher in patients with CR in comparison to those with PR/NR. In stage 2, a total of 247 SLE patients were included, of which 24 (9.7%) had ALN, 79 (31.9%) had LN in remission (RLN) and 144 (58.3%) were non-LN (NLN) patients. Based on the combinations of biomarkers with the best operating characteristics we propose “rule out” and “rule in” ALN criteria. In stage 3, 53 biopsy-proven ALN patients were included, 35 with proliferative LN and 18 with non-proliferative ALN, demonstrating that our “rule in ALN” criteria operate better in detecting active proliferative than non-proliferative classes.ConclusionsOur results provide further evidence to support the role of Adiponectin, MCP-1, sVCAM-1 and PF4 in the detection of proliferative ALN cases. We further show the clinical utility of measuring multiple rather than a single biomarker and we propose novel “rule in” and “rule out” criteria for the detection of proliferative ALN with excellent operating characteristics.
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- 2022
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8. 1116 Long-term ocular safety of hydroxychloroquine in patients with childhood-onset SLE (cSLE) followed into adulthood
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Wei Chen, Jorge Sanchez-Guerrero, Dafna Gladman, Murray Urowitz, Zahi Touma, Earl Silverman, Joanne Bargman, Deborah Levy, Andrea Knight, Linda Hiraki, and Amanda Steiman
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Immunologic diseases. Allergy ,RC581-607 - Published
- 2021
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9. Fatigue numeric rating scale validity, discrimination and responder definition in patients with psoriatic arthritis
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Peter Nash, Ana-Maria Orbai, Tore K Kvien, Dafna Gladman, Chen-Yen Lin, Hitoshi Goto, and Julie A Birt
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Medicine - Abstract
Objectives This study assessed the psychometric properties of the fatigue numeric rating scale (NRS) and sought to establish values for clinically meaningful change (responder definition).Methods Using disease-specific clinician-reported and patient-reported data from two randomised clinical trials of patients with psoriatic arthritis (PsA), the fatigue NRS was evaluated for test–retest reliability, construct validity and responsiveness. A responder definition was also explored using anchor-based and distribution-based methods.Results Test–retest reliability analyses supported the reproducibility of the fatigue NRS in patients with PsA (intraclass correlation coefficient=0.829). Mean (SD) values at baseline and week 2 were 5.7 (2.2) and 5.7 (2.4), respectively. Supporting construct validity of the fatigue NRS, moderate-to-large correlations with other assessments measuring similar concepts as measured by Sackett’s conventions were demonstrated. Fatigue severity was reduced when the underlying disease activity was improved and reductions remained consistent at week 12 and 24. A 3-point improvement was identified as being optimal for demonstrating a level of clinically meaningful improvement in fatigue NRS after 12–24 weeks of treatment.Conclusions Fatigue NRS is a valid and responsive patient-reported outcome instrument for use in patients with PsA. The established psychometric properties from this study support the use of fatigue NRS in clinical trials and in routine clinical practice. Robust validation of reliability for use in routine clinical practice in treating patients with active PsA in less active disease states and other more diverse ethnic groups is needed.
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- 2020
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10. Nitrated nucleosome levels and neuropsychiatric events in systemic lupus erythematosus; a multi-center retrospective case-control study
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Isabel Ferreira, Sara Croca, Maria Gabriella Raimondo, Manjit Matharu, Sarah Miller, Ian Giles, David Isenberg, Yiannis Ioannou, John G. Hanly, Murray B. Urowitz, Nicole Anderson, Cynthia Aranow, Anca Askanase, Sang-Cheol Bae, Sasha Bernatsky, Ian N. Bruce, Jill Buyon, Ann E. Clarke, Mary Anne Dooley, Paul Fortin, Ellen Ginzler, Dafna Gladman, Caroline Gordon, Murat Inanc, Søren Jacobsen, Kenneth Kalunian, Diane Kamen, Munther Khamashta, Sam Lim, Susan Manzi, Joan Merrill, Ola Nived, Christine Peschken, Michelle Petri, Rosalind Ramsey-Goldman, Guillermo Ruiz-Irastorza, Jorge Sanchez-Guerrero, Kristjan Steinson, Gunnar K. Sturfelt, Ronald van Vollenhoven, Daniel J. Wallace, Asad Zoma, and Anisur Rahman
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Systemic lupus erythematosus ,Neuropsychiatric ,Nucleosomes ,Nitration ,Diseases of the musculoskeletal system ,RC925-935 - Abstract
Abstract Background In patients with systemic lupus erythematosus (SLE) there is no serological test that will reliably distinguish neuropsychiatric (NP) events due to active SLE from those due to other causes. Previously we showed that serum levels of nitrated nucleosomes (NN) were elevated in a small number of patients with NPSLE. Here we measured serum NN in samples from a larger population of patients with SLE and NP events to see whether elevated serum NN could be a marker for NPSLE. Methods We obtained serum samples from patients in the Systemic Lupus International Collaborative Clinics (SLICC) inception cohort. This included 216 patients with NP events and two matched controls with SLE but no NP events for each of these patients. For the NP patients we tested samples taken before, during and after the NP event. Results Twenty-six patients had events attributed to SLE according to the most stringent SLICC attribution rule. In these patients there was no association between onset of event and elevated serum NN. In 190 patients in whom events were not attributed to SLE by the SLICC rules, median serum NN was elevated at the onset of event (P = 0.006). The predominant clinical features in this group of 190 patients were headache, mood disorders and anxiety. Conclusions Serum NN levels rise at the time of an NP event in a proportion of patients with SLE. Further studies are needed to determine the value of serum NN as a biomarker for NPSLE.
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- 2017
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11. Psoriatic arthritis [version 1; peer review: 2 approved]
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Vanessa Ocampo D and Dafna Gladman
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Medicine ,Science - Abstract
Psoriasis is a multisystemic, inflammatory skin condition that can affect many areas of the body, but most commonly the extensor surfaces of the elbows and knees, and sometimes the intergluteal and umbilical area. It has a prevalence of 2–4% in western adults, and 20–30% of psoriasis patients will develop psoriatic arthritis (PsA). PsA is an inflammatory musculoskeletal disease associated with cutaneous psoriasis. It affects men and women almost equally with a peak age at onset of 40 and 50 years. It is a diverse disease that affects multiple organ systems includes peripheral and axial joints, entheses, skin, and nails. PsA is associated with comorbidities such as osteoporosis, uveitis, subclinical bowel inflammation, and cardiovascular disease. Given this heterogeneity, its diagnosis has been difficult. Here we present an updated review of its classification criteria CASPAR (classification criteria for PsA), use of screening tools to aid in early diagnosis, recent findings on pathogenesis, and new therapeutic approaches including new biologic medications.
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- 2019
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12. Predicting adherence to therapy in rheumatoid arthritis, psoriatic arthritis or ankylosing spondylitis: a large cross-sectional study
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Joachim Sieper, Josef S Smolen, Dafna Gladman, H Patrick McNeil, Maja Hojnik, Pascal Nurwakagari, and John Weinman
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Medicine - Abstract
Objective This analysis explored the association of treatment adherence with beliefs about medication, patient demographic and disease characteristics and medication types in rheumatoid arthritis (RA), psoriatic arthritis (PsA) or ankylosing spondylitis (AS) to develop adherence prediction models.Methods The population was a subset from ALIGN, a multicountry, cross-sectional, self-administered survey study in adult patients (n=7328) with six immune-mediated inflammatory diseases who were routinely receiving systemic therapy. Instruments included Beliefs about Medicines Questionnaire (BMQ) and 4-item Morisky Medication Adherence Scale (MMAS-4©), which was used to define adherence.Results A total of 3390 rheumatological patients were analysed (RA, n=1943; PsA, n=635; AS, n=812). Based on the strongest significant associations, the adherence prediction models included type of treatment, age, race (RA and AS) or disease duration (PsA) and medication beliefs (RA and PsA, BMQ-General Harm score; AS, BMQ-Specific Concerns score). The models had cross-validated areas under the receiver operating characteristic curve of 0.637 (RA), 0.641 (PsA) and 0.724 (AS). Predicted probabilities of full adherence (MMAS-4©=4) ranged from 5% to 96%. Adherence was highest for tumour necrosis factor inhibitors versus other treatments, older patients and those with low treatment harm beliefs or concerns. Adherence was higher in white patients with RA and AS and in patients with PsA with duration of disease
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- 2019
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13. Correction: Association of Variants at 1q32 and with Ankylosing Spondylitis Suggests Genetic Overlap with Crohn's Disease.
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Patrick Danoy, Karena Pryce, Johanna Hadler, Linda A. Bradbury, Claire Farrar, Jennifer Pointon, Michael Ward, Michael Weisman, John D. Reveille, B. Paul Wordsworth, Millicent A. Stone, Walter P. Maksymowych, Proton Rahman, Dafna Gladman, Robert D. Inman, and Matthew A. Brown
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Genetics ,QH426-470 - Published
- 2011
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14. Association of variants at 1q32 and STAT3 with ankylosing spondylitis suggests genetic overlap with Crohn's disease.
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Patrick Danoy, Karena Pryce, Johanna Hadler, Linda A Bradbury, Claire Farrar, Jennifer Pointon, Australo-Anglo-American Spondyloarthritis Consortium, Michael Ward, Michael Weisman, John D Reveille, B Paul Wordsworth, Millicent A Stone, Spondyloarthritis Research Consortium of Canada, Walter P Maksymowych, Proton Rahman, Dafna Gladman, Robert D Inman, and Matthew A Brown
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Genetics ,QH426-470 - Abstract
Ankylosing spondylitis (AS) is a common inflammatory arthritic condition. Overt inflammatory bowel disease (IBD) occurs in about 10% of AS patients, and in addition 70% of AS cases may have subclinical terminal ileitis. Spondyloarthritis is also common in IBD patients. We therefore tested Crohn's disease susceptibility genes for association with AS, aiming to identify pleiotropic genetic associations with both diseases. Genotyping was carried out using Sequenom and Applied Biosystems TaqMan and OpenArray technologies on 53 markers selected from 30 Crohn's disease associated genomic regions. We tested genotypes in a population of unrelated individual cases (n = 2,773) and controls (n = 2,215) of white European ancestry for association with AS. Statistical analysis was carried out using a Cochran-Armitage test for trend in PLINK. Strong association was detected at chr1q32 near KIF21B (rs11584383, P = 1.6 × 10(-10), odds ratio (OR) = 0.74, 95% CI:0.68-0.82). Association with disease was also detected for 2 variants within STAT3 (rs6503695, P = 4.6 × 10(-4). OR = 0.86 (95% CI:0.79-0.93); rs744166, P = 2.6 × 10(-5), OR = 0.84 (95% CI:0.77-0.91)). Association was confirmed for IL23R (rs11465804, P = 1.2 × 10(-5), OR = 0.65 (95% CI:0.54-0.79)), and further associations were detected for IL12B (rs10045431, P = 5.2 × 10(-5), OR = 0.83 (95% CI:0.76-0.91)), CDKAL1 (rs6908425, P = 1.1 × 10(-4), OR = 0.82 (95% CI:0.74-0.91)), LRRK2/MUC19 (rs11175593, P = 9.9 × 10(-5), OR = 1.92 (95% CI: 1.38-2.67)), and chr13q14 (rs3764147, P = 5.9 × 10(-4), OR = 1.19 (95% CI: 1.08-1.31)). Excluding cases with clinical IBD did not significantly affect these findings. This study identifies chr1q32 and STAT3 as ankylosing spondylitis susceptibility loci. It also further confirms association for IL23R and detects suggestive association with another 4 loci. STAT3 is a key signaling molecule within the Th17 lymphocyte differentiation pathway and further enhances the case for a major role of this T-lymphocyte subset in ankylosing spondylitis. Finally these findings suggest common aetiopathogenic pathways for AS and Crohn's disease and further highlight the involvement of common risk variants across multiple diseases.
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- 2010
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15. The association of lupus nephritis with adverse pregnancy outcomes among women with lupus in North America
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Anika Lucas, Amanda M Eudy, Dafna Gladman, Michelle Petri, Murray Urowitz, Christina M Wyatt, and Megan EB Clowse
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Male ,Pregnancy Complications ,Pre-Eclampsia ,Rheumatology ,Pregnancy ,Pregnancy Outcome ,Humans ,Lupus Erythematosus, Systemic ,Female ,Prospective Studies ,Lupus Nephritis ,Article ,Retrospective Studies - Abstract
Objectives We evaluated the association of lupus nephritis (LN) and adverse pregnancy outcomes in prospective cohorts of pregnant women with SLE (systemic lupus erythematosus). Methods We conducted a patient-level pooled analysis of data from three cohorts of pregnant women with SLE. Pooled logistic regression models were used to evaluate the association of LN and adverse pregnancy outcomes. Odds ratios and 95% confidence intervals were calculated using a fixed effect model by enrolling cohort. Results The pooled cohort included 393 women who received care at clinics in the United States and Canada from 1995 to 2015. There were 144 (37%) women with a history of LN. Compared to women without LN, those with LN had higher odds of fetal loss (OR: 1.90; 95% CI: 1.01, 3.56) and preeclampsia (OR: 2.04; 95% CI: 1.01, 4.13). Among the 31 women with active nephritis (defined as urine protein ≥ 0.5 g/24 h) there was a higher odds of poor pregnancy outcome (OR: 3.08; 95% CI: 1.31, 7.23) and fetal loss (OR: 6.29; 95% CI: 2.52, 15.70) compared to women without LN. Conclusions In this pooled cohort of women with SLE, a history of LN was associated with fetal loss and preeclampsia. Active nephritis was associated with poor pregnancy outcome and fetal loss.
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- 2022
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16. Disease Control with Upadacitinib in Patients with Psoriatic Arthritis: A Post Hoc Analysis of the Randomized, Placebo-Controlled SELECT-PsA 1 and 2 Phase 3 Trials
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Philip Mease, Arthur Kavanaugh, Dafna Gladman, Oliver FitzGerald, Enrique R. Soriano, Peter Nash, Dai Feng, Apinya Lertratanakul, Kevin Douglas, Ralph Lippe, and Laure Gossec
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Rheumatology ,Immunology and Allergy - Abstract
Low disease activity (LDA)/remission is the target of treatment in patients with psoriatic arthritis (PsA). We assessed the proportions of patients with PsA receiving upadacitinib who achieved LDA/remission over 1 year.This was a post hoc analysis of the double-blind, placebo-controlled SELECT-PsA 1 (also adalimumab-controlled) and SELECT-PsA 2 trials. Treatment targets assessed included LDA/remission defined by Disease Activity in Psoriatic Arthritis (≤ 14/ ≤ 4) and Psoriatic Arthritis Disease Activity Scores (≤ 3.2/ ≤ 1.9), as well as minimal disease activity (MDA)/very low disease activity (VLDA) states (5/7 and 7/7 components, respectively, of MDA criteria). Targets were assessed at 24 and 56 weeks. For binary outcomes, non-responder imputation was used for missing data. Data from patients receiving upadacitinib 30 mg was not included in the analysis.Overall, 1386 patients were analyzed. Disease control (i.e., LDA/MDA) was achieved at 24 weeks in upadacitinib 15 mg-treated patients across both studies: LDA/MDA was achieved by 25-48% of patients receiving upadacitinib 15 mg versus 2-16% of patients receiving placebo, and remission/VLDA rates were 7-14% with upadacitinib 15 mg versus 0-4% with placebo. The proportions of patients achieving treatment targets were numerically similar to upadacitinib 15 mg and adalimumab. All responses were sustained at 56 weeks.Remission and LDA are feasible targets with upadacitinib treatment in patients with PsA.ClinicalTrial.gov identifiers NCT03104400 (SELECT-PsA 1) and NCT03104374 (SELECT-PsA 2).Psoriatic arthritis is a disease that causes inflammation of the skin and joints. Doctors measure how bad a patient’s disease is by measuring signs and symptoms of the disease, and using these to make a “score.” The aim of treatment is to reduce the score to low levels (known as “low disease activity”) or very low levels (“remission”). This study looked at results from two clinical trials that compared upadacitinib, a medicine used to treat psoriatic arthritis, with no medicine (placebo) to see how many patients had low disease activity or were in remission after 1 year of treatment. The results showed that more patients who were taking upadacitinib had low disease activity or were in remission after the first 6 months of treatment compared with those who took placebo. This difference between upadacitinib and placebo could still be seen after 1 year of treatment. These results show that treatment with upadacitinib is effective enough for some patients with psoriatic arthritis to achieve low disease activity or remission and to stay at this level, even after more than 1 year of treatment.
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- 2022
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17. Psoriatic Arthritis
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Philip Helliwell, Laura C. Coates, and Dafna Gladman
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- 2023
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18. Clinical characteristics of psoriatic arthritis and axSpA patients with uveitis
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Vanessa Ocampo, Mitchell Sutton, Vinod Chandran, Nigil Haroon, Alexander Kaplan, and Dafna Gladman
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Rheumatology - Published
- 2023
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19. Real-world Retention and Clinical Effectiveness of Secukinumab for Psoriatic Arthritis: Results from the CanSpA Research Network
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Dafna, Gladman, Denis, Choquette, Majed, Khraishi, Robert, Inman, Shamiza, Hussein, Drew, Neish, and Patrick, Leclerc
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Psoriatic arthritis (PsA) is an immune-mediated disease characterized by pain, stiffness, and swelling of peripheral joints, with an estimated prevalence in Canada of 0.45%. Treatment aims to minimize disease activity, reduce progression of damage, and improve quality of life. Secukinumab is a biologic disease-modifying antirheumatic drug (bDMARD) that has demonstrated efficacy and safety for PsA in clinical trials, however there is limited real-world evidence on its use in Canada. The objective of this study was to use the Canadian Spondyloarthritis (CanSpA) Research Network to describe realworld retention and effectiveness of secukinumab among Canadian patients with PsA.Observational cohort study of Canadian PsA patients 18-65 years who attended a clinic of the CanSpA network and received treatment with secukinumab. Patients were indexed on the date they first initiated secukinumab. Retention was assessed at 12-months post-index. Clinical effectiveness was measured as proportion in remission and change in disease activity from baseline to 12-months using several clinical indices.213 patients were included. Overall retention was estimated at 73.6% at 12-months (81.8% for bt/sDMARD-naive patients). 17/110 (15.5%) patients were in DAPSA28-based remission, and 10/70 (14.3%) were in PASDAS-based remission at 12-months. PASI improved by 65.8%; TJC68 and SJC66 improved by 65.5% and 73.7%, respectively.This is the first nationwide study to describe real-world use of secukinumab in Canada for PsA, and supports its effectiveness in a Canadian real-world setting. The CanSpA network represents a unique opportunity to build and improve the real-world evidence base for SpA treatment in Canada.
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- 2022
20. Disease development and outcome
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Mary Mahieu, Dafna Gladman, and Rosalind Ramsey-Goldman
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- 2021
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21. Contributors
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Nancy Agmon-Levin, Graciela S. Alarcón, Olga Amengual, Stacy P. Ardoin, Swati Arora, Yemil Atisha-Fregoso, John P. Atkinson, Tatsuya Atsumi, Isabelle Ayoub, Maria-Louise Barilla-LaBarca, Bonnie L. Bermas, Sasha Bernatsky, George Bertsias, Tanmayee Bichile, Patrick Blanco, Miyuki Bohgaki, Gisela Bonsmann, Maria Orietta Borghi, Dimitrios T. Boumpas, Rebecka Bourn, Jill P. Buyon, Roberto Caricchio, Edward K.L. Chan, Christopher Chang, Manon Charrier, Cecilia Beatrice Chighizola, Ann E. Clarke, José C. Crispín, Bettina Cuneo, Thomas Dörner, Erika M. Damato, Alastair K.O. Denniston, Amy Devlin, Betty Diamond, T. Ernandez, Titilola Falasinnu, Ruth Fernandez-Ruiz, Brianna Fitzpatrick, Lindsy Forbess, Eleni A. Frangou, Marvin J. Fritzler, Shu Man Fu, Richard Furie, Felicia Gaskin, Dafna Gladman, Caroline Gordon, Amrie C. Grammer, Eric L. Greidinger, Teri M. Greiling, Shuhong Han, James E. Hansen, Sarfaraz A. Hasni, Fadi Hassan, Christian M. Hedrich, Keiju Hiromura, Diane Horowitz, Xin Huang, David Hunt, Peter M. Izmirly, Judith A. James, Wael N. Jarjour, Caroline A. Jefferies, Caroline Jefferies, Xiaoyue Jiang, Mariana J. Kaplan, Takayuki Katsuyama, Munther Khamashta, Kathryn M. Kingsmore, Takao Koike, Dwight H. Kono, Martin A. Kriegel, Annegret Kuhn, Vasileios C Kyttaris, Antonio La Cava, Alexandra Ladouceur, Robert G. Lahita, Aysche Landmann, Estibaliz Lazaro, Mara L. Lennard Richard, Andreia C. Lino, Peter E. Lipsky, M. Kathryn Liszewski, Mindy S. Lo, Qianjin Lu, Mary Mahieu, Susan Malkiel, Susan Manzi, Galina Marder, T.N. Mayadas, Pier Luigi Meroni, Joan T. Merrill, Chandra Mohan, Chi Chiu Mok, Vaishali R. Moulton, Philip I. Murray, Mohammad E. Naffaa, Masaomi Nangaku, Timothy Niewold, K. Okubo, Nancy J. Olsen, Trina Pal, Ziv Paz, Andras Perl, Guillermo J. Pons-Estel, Bo Qu, Anisur Rahman, Ziaur S.M. Raman, Rosalind Ramsey-Goldman, Westley H. Reeves, Christophe Richez, Florencia Rosetti, Brad H. Rovin, Robert L. Rubin, Stephanie Saeli, G. Saggu, Lisa R. Sammaritano, Minoru Satoh, Amr H. Sawalha, Amit Saxena, Savino Sciascia, Syahrul Sazliyana Shaharir, Amir Sharabi, Nan Shen, Robert H. Shmerling, Julia F. Simard, Vanja Sisirak, Samantha Slight-Webb, Isaac Ely Stillman, Sun-Sang J. Sung, Payal Thakkar, Argyrios N. Theofilopoulos, Donald E. Thomas, Jr, Hiromi Tissera, Zahi Touma, Betty P. Tsao, Manuel F. Ugarte-Gil, Murray B. Urowitz, Silvio Manfredo Vieira, Benjamin Wainwright, Daniel J. Wallace, Hongyang Wang, Haijing Wu, Soad Haj Yahia, C. Yung Yu, Zhenhuan Zhao, and Haoyang Zhuang
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- 2021
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22. Introduction
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Dafna Gladman and Oliver Fitzgerald
- Subjects
education ,humanities - Abstract
Owing to recent advances in the recognition of psoriatic arthritis, its outcomes, its pathogenesis, and the development of several novel therapeutic approaches, it is believed that a comprehensive textbook on psoriatic arthritis was necessary. This book will provide the most up-to-date information in the advances in the field of psoriatic arthritis, its classification criteria, and mechanisms of bone destruction and formation. This chapter provides an overview of the scope of the textbook, the rationale behind writing a volume on this subject, and advice to clinicians.
- Published
- 2018
- Full Text
- View/download PDF
23. CS-03 Hydroxychloroquine in lupus pregnancy: a meta-analysis of individual participant data
- Author
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Amanda M Eudy, Michelle Petri, Rebecca Fischer-Betz, Abeer Mokbel, Cecilia Nalli, Laura Andreoli, Angela Tincani, Yair Molad, Dafna Gladman, Murray Urowitz, Stephen Balevic, and Megan EB Clowse
- Published
- 2018
- Full Text
- View/download PDF
24. Oxford Textbook of Psoriatic Arthritis
- Author
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Oliver FitzGerald, Dafna Gladman, Oliver FitzGerald, and Dafna Gladman
- Subjects
- Rheumatology, Psoriatic arthritis, Arthritis, Rheumatism
- Abstract
Psoriatic arthritis, or PsA, is now acknowledged the second most prevalent and important inflammatory arthropathy worldwide. The addition of this new textbook on PsA is a fitting and important inclusion to the Oxford Textbooks in Rheumatology series, written to reflect the significant advances in the field in recent years. With the recent advances in the understanding of pathogenesis, and the development of novel therapies, the Oxford Textbook of Psoriatic Arthritis provides a comprehensive overview of the disease. Each chapter is written by leading clinicians and scientists in the field of psoriatic arthritis, to provide a contemporary view of PsA, and a look into the future directions of research. Covering everything from epidemiology and diagnosis to genetics and pathology, detailed sections on treatment and outcomes provide an invaluable resource for the clinician. The book is also highly illustrated with both clinical images such as x-rays and histological photographs to aid clinical knowledge, and diagrams of the immunology and genetics that underlie the disease. Practical and all-inclusive, with summary boxes to distil the most important information, the Oxford Textbook of Psoriatic Arthritis will prove an invaluable resource for rheumatologists, dermatologists, trainees, and all members of the multidisciplinary team who are interested in recent advances in PsA.
- Published
- 2018
25. Psoriatic Arthritis
- Author
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Dafna Gladman, Cheryl F. Rosen, Vinod Chandran, Dafna Gladman, Cheryl F. Rosen, and Vinod Chandran
- Subjects
- Psoriatic arthritis, Psoriatic arthritis--Popular works
- Abstract
Over the past 30 years, there has been increasing recognition of psoriatic arthritis as a distinct clinical entity. Psoriatic arthritis occurs mostly in patients with psoriasis and may affect up to 1% of the general population. It has many similarities to other forms of spondyloarthritis, and must be differentiated from related conditions. Given that most patients with psoriatic arthritis have skin and musculoskeletal diseases that significantly affect their quality of life and function, patients are ideally managed in a multidisciplinary clinic with rheumatologists, dermatologists and a nurse specialist, physical therapist and occupational therapist. Psoriatic Arthritis covers the epidemiology and diagnostic and classification criteria, describing the clinical features of the disease, including skin and nail involvement, articular, and other extra-articular manifestations. Laboratory features and imaging characteristics are covered in detail, along with co-morbidities and their impact. A comprehensive review of skin disease therapy is also provided, along with the various treatment options for joint disease, including traditional disease modifying therapy and newer biologic agents. This comprehensive yet concise and practical volume is the perfect guide to psoriatic arthritis for the busy practitioner, and will be of interest to trainees and specialists in rheumatology and dermatology.
- Published
- 2014
26. Psoriatic arthritis
- Author
-
Dafna Gladman
- Subjects
Male ,Recombinant Fusion Proteins ,Alefacept ,Dermatology ,Antibodies, Monoclonal, Humanized ,Gold Sodium Thiomalate ,Receptors, Tumor Necrosis Factor ,Etanercept ,Antimalarials ,Rheumatology ,Azathioprine ,Humans ,Biological Products ,Clinical Trials as Topic ,Remission Induction ,Anti-Inflammatory Agents, Non-Steroidal ,Arthritis, Psoriatic ,Adalimumab ,Antibodies, Monoclonal ,Isoxazoles ,General Medicine ,Prognosis ,Infliximab ,Sulfasalazine ,Tumor Necrosis Factor Decoy Receptors ,Receptors, Tumor Necrosis Factor, Type I ,Immunoglobulin G ,Disease Progression ,Quality of Life ,Cyclosporine ,Joints ,Female ,Spinal Diseases ,Joint Diseases ,Leflunomide - Abstract
Although there is still some controversy about the existence of psoriatic arthritis (PsA) as a specific form of inflammatory arthritis associated with psoriasis, epidemiological and clinical studies support the unique features of PsA. Because of lack of diagnostic or classification criteria, the disease has been thought of as uncommon. New classification criteria should facilitate case definition of PsA. Over the past several decades, it has become clear that the disease leads to serious disability and even increased mortality. Traditional medications have not been effective in preventing the progression of joint damage. New medications, including biologics, have emerged with potential to controlling the inflammation and arresting the progression of joint damage.
- Published
- 2004
- Full Text
- View/download PDF
27. Psoriatic Arthritis
- Author
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Dafna Gladman, Cheryl F. Rosen, and Vinod Chandran
- Published
- 2014
- Full Text
- View/download PDF
28. Psoriatic arthropathy
- Author
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Dafna Gladman
- Subjects
Surgery - Published
- 1995
- Full Text
- View/download PDF
29. Association of Variants at 1q32 and STAT3 with Ankylosing Spondylitis Suggests Genetic Overlap with Crohn's Disease
- Author
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Patrick Danoy, Karena Pryce, Johanna Hadler, Linda A. Bradbury, Claire Farrar, Jennifer Pointon, Australo-Anglo-American Spondyloarthritis Consortium (TASC), Michael Ward, Michael Weisman, John D. Reveille, B. Paul Wordsworth, Millicent A. Stone, Spondyloarthritis Research Consortium of Canada (SPARCC), Walter P. Maksymowych, Proton Rahman, Dafna Gladman, Robert D. Inman, and Matthew A. Brown
- Subjects
Cancer Research ,Genetics ,Correction ,QH426-470 ,Molecular Biology ,Genetics (clinical) ,Ecology, Evolution, Behavior and Systematics - Abstract
[This corrects the article on p. e1001195 in vol. 6.].
- Published
- 2011
30. 210. Effect of Certolizumab Pegol Over 48 Weeks on Signs and Symptoms in Patients with Psoriatic Arthritis with and Without Prior Tumor Necrosis Factor Inhibitor Exposure
- Author
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Bengt Hoepken, Luke Peterson, Christian Stach, Jürgen Wollenhaupt, Dafna Gladman, Philip J. Mease, Roy Fleischmann, Désirée van der Heijde, and Atul Deodhar
- Subjects
medicine.medical_specialty ,Tumor necrosis factors ,business.industry ,Signs and symptoms ,medicine.disease ,Gastroenterology ,Psoriatic arthritis ,Rheumatology ,Internal medicine ,medicine ,Pharmacology (medical) ,In patient ,Tumor necrosis factor alpha ,Certolizumab pegol ,business ,medicine.drug - Published
- 2014
- Full Text
- View/download PDF
31. Reduced proportions of natural killer T cells are present in the relatives of lupus patients and are associated with autoimmunity
- Author
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Joan, Wither, Yong-chun, Cai, Sooyeol, Lim, Tamara, McKenzie, Nicole, Roslin, Jaime O, Claudio, Glinda S, Cooper, Thomas J, Hudson, Andrew D, Paterson, Celia M T, Greenwood, Dafna, Gladman, Janet, Pope, Christian A, Pineau, C Douglas, Smith, John G, Hanly, Christine, Peschken, Gilles, Boire, and Susan, Barr
- Subjects
Adult ,Male ,Autoimmunity ,Flow Cytometry ,Pedigree ,Phenotype ,Antigens, CD ,Antibodies, Antinuclear ,Humans ,Lupus Erythematosus, Systemic ,Natural Killer T-Cells ,Family ,Female ,Genetic Predisposition to Disease ,Research Article - Abstract
Introduction Systemic lupus erythematosus is a genetically complex disease. Currently, the precise allelic polymorphisms associated with this condition remain largely unidentified. In part this reflects the fact that multiple genes, each having a relatively minor effect, act in concert to produce disease. Given this complexity, analysis of subclinical phenotypes may aid in the identification of susceptibility alleles. Here, we used flow cytometry to investigate whether some of the immune abnormalities that are seen in the peripheral blood lymphocyte population of lupus patients are seen in their first-degree relatives. Methods Peripheral blood mononuclear cells were isolated from the subjects, stained with fluorochrome-conjugated monoclonal antibodies to identify various cellular subsets, and analyzed by flow cytometry. Results We found reduced proportions of natural killer (NK)T cells among 367 first-degree relatives of lupus patients as compared with 102 control individuals. There were also slightly increased proportions of memory B and T cells, suggesting increased chronic low-grade activation of the immune system in first-degree relatives. However, only the deficiency of NKT cells was associated with a positive anti-nuclear antibody test and clinical autoimmune disease in family members. There was a significant association between mean parental, sibling, and proband values for the proportion of NKT cells, suggesting that this is a heritable trait. Conclusions The findings suggest that analysis of cellular phenotypes may enhance the ability to detect subclinical lupus and that genetically determined altered immunoregulation by NKT cells predisposes first-degree relatives of lupus patients to the development of autoimmunity.
- Published
- 2008
32. The Canadian Rheumatology Association/ Spondyloarthritis Research Consortium of Canada treatment recommendations for the management of spondyloarthritis: a national multidisciplinary stakeholder project
- Author
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Walter P, Maksymowych, Dafna, Gladman, Proton, Rahman, Annelies, Boonen, Vivien, Bykerk, Denis, Choquette, Sherry, Dimond, Paul, Fortin, Jacob, Karsh, Alice V, Klinkhoff, Dianne, Mosher, Ken, Mulholland, Wojciech P, Olszynski, Anthony S, Russell, Laurie, Savage, Laura, Shanner, Kam, Shojania, Michael, Starr, Glen, Thomson, Michel, Zummer, and Robert, Inman
- Subjects
Canada ,Evidence-Based Medicine ,Humans ,Spondylarthropathies ,Ethics, Medical ,Societies, Medical - Abstract
Development of treatment recommendations for arthritis has traditionally relied on the compilation of evidence-based data by experts in the field despite recommendations by various bodies for broad stakeholder input. Our objectives were: (1) To develop evidence-based treatment recommendations for the management of spondyloarthritis (SpA) in Canada that also incorporate the perspective of multiple stakeholders. (2) To generate a procedural template for the multidisciplinary development of treatment recommendations.The process was directed by a steering committee comprising the SPARCC Executive, rheumatologists from academic and community-based practice, patient consumers, and a representative from the John Dossetor Health Ethics Centre. Guidelines established by EULAR and stipulated in the AGREE instrument were followed. First, a working document was drafted that included a referenced summary of the evidence-based data and the 12 national arthritis care standards developed by the Alliance for the Canadian Arthritis Program. Second, a Web-based survey was conducted among patient consumers to address the relevance to patients of 2 primary outcome instruments that assess the effectiveness of treatment. Third, a list of questions was generated for drafting propositions by the ethics consultant. A Delphi consensus exercise was then conducted.Consensus was generated on a final list of 38 treatment recommendations categorized under the subject headings of general management principles, ethical considerations, target groups, definition of target disease, disease monitoring, and specific management recommendations.Using broad stakeholder input, we provide treatment recommendations to guide clinical practice and access to care for patients with SpA in Canada.
- Published
- 2007
33. Disease Development and Outcome
- Author
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Rosalind Ramsey-Goldman and Dafna Gladman
- Published
- 2007
- Full Text
- View/download PDF
34. Summarizing disease features over time: II. Variability measures of SLEDAI-2K
- Author
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Dominique, Ibañez, Dafna, Gladman, and Murray, Urowitz
- Subjects
Adult ,Male ,Survival Rate ,Life Expectancy ,Models, Statistical ,Time Factors ,Predictive Value of Tests ,Disease Progression ,Humans ,Lupus Erythematosus, Systemic ,Reproducibility of Results ,Female ,Severity of Illness Index - Abstract
o determine if the variability of the Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K), along with the Adjusted Mean SLEDAI-2K (AMS), can better predict major outcomes in SLE than the AMS alone.Patients were followed in the Lupus Clinic at 2-6 month intervals. Clinical and laboratory information necessary to compute the SLEDAI-2K and Systemic Lupus International Collaborating Clinics/American College of Rheumatology damage index was collected prospectively and entered onto a computerized database. Patients followed for a minimum of 3 visits, and without absence for a period18 consecutive months, were included in the study. Six different approaches to measure variability of SLEDAI-2K were evaluated for each visit, along with AMS. Approaches were the standard deviation, the slope, average rate of change by visit, the range, the coefficient of variation, and the Percentage of the visits with a change in SLEDAI-2Kor = 3. The SLE outcomes under study were death, presence of damage, coronary artery disease (CAD), and osteonecrosis (ON). The predictability of each outcome was evaluated through time-dependent covariate survival analyses. Regression models included other known major risk factors such as sex, age at diagnosis, SLEDAI-2K at presentation, and disease duration.Five hundred seventy-five patients seen from 1970 to 2002 were included. The average time between visits was 4.0 +/- 2.2 months. Eighty-five patients died, 325 developed damage, 55 had CAD, and 68 had ON. None of the 6 variability measures added more statistical significance in the prediction of any of the 4 outcomes. For the prediction of survival, AMS [hazard ratio (HR) = 1.16, p0.0001] and age at diagnosis (HR 1.05, p0.0001) were the only significant risk factors. For presence of damage, AMS (HR 1.06, p0.0001), age at diagnosis (HR 1.02, p = 0.0004), and disease duration (HR 1.05, p0.0001) were predictors. CAD was predicted by AMS (HR 1.12, p = 0.0003), male sex (HR 2.31, p = 0.02), age at diagnosis (HR 1.06, p0.0001), and disease duration (HR 1.10, p0.0001). For ON, SLEDAI-2K at presentation (HR 1.04, p = 0.003) and disease duration (HR 0.92, p = 0.05) were significant risk factors.Multivariate analysis revealed that AMS, independent of variability of the SLEDAI-2K, is an important predictor of major outcomes in SLE.
- Published
- 2006
35. Effect of infliximab therapy on employment, time lost from work, and productivity in patients with psoriatic arthritis
- Author
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Arthur, Kavanaugh, Christian, Antoni, Philip, Mease, Dafna, Gladman, Songkai, Yan, Mohan, Bala, Bei, Zhou, Lisa T, Dooley, Anna, Beutler, Cynthia, Guzzo, and Gerald G, Krueger
- Subjects
Adult ,Male ,Arthritis, Psoriatic ,Antibodies, Monoclonal ,Efficiency ,Middle Aged ,Infliximab ,Double-Blind Method ,Unemployment ,Quality of Life ,Humans ,Immunologic Factors ,Female ,Sick Leave - Abstract
To examine the effect of infliximab on employment status, time lost from work, and productivity in a double-blind, placebo-controlled study of patients with active psoriatic arthritis (PsA).Two hundred adult patients with PsA were randomized to intravenous infusions of either infliximab 5 mg/kg or placebo at Weeks 0, 2, 6, 14, and 22, with early escape at Week 16. Employment status, workdays missed, and productivity were assessed at baseline and at Week 14. The effect of PsA on daily productivity was assessed using a visual analog scale.At baseline, similar percentages of patients in both treatment groups were employed and similar percentages missed workdays; the mean productivity score at baseline was similar between groups (roughly 3 on a scale of 0 to 10). At Week 14, median productivity increased significantly in the infliximab group compared with the placebo group (67.5% vs 9.2%; p0.0001). Compared with the placebo group, higher proportions of patients in the infliximab group improved employment status from unemployed at baseline to employed at Week 14 (11.5% vs 0%; p = 0.084) and from part-time to full-time employment (30.0% vs 10.0%; p = 0.582). Among patients employed at baseline and Week 14, a lower proportion of patients in the infliximab group than in the placebo group had missed workdays in the 4 weeks prior to Week 14 (p = 0.138).After 14 weeks of treatment, infliximab improved productivity in patients with active PsA. There was also a trend toward increased employment and reduced time lost from work for patients treated with infliximab.
- Published
- 2006
36. PPAR-gamma gene polymorphisms and psoriatic arthritis
- Author
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Christopher, Butt, Dafna, Gladman, and Proton, Rahman
- Subjects
PPAR gamma ,Gene Frequency ,Genotype ,Newfoundland and Labrador ,Arthritis, Psoriatic ,Humans ,Genetic Predisposition to Disease ,Polymorphism, Single Nucleotide - Abstract
Peroxisome proliferator-activated receptor-gamma (PPAR-gamma) activation has been shown to play a role in suppressing angiogenesis and inflammation, both important pathological features of psoriatic arthritis (PsA). Given the potential physiological role for PPAR-gamma in PsA, we examined known coding polymorphisms in the PPAR-gamma gene in a Caucasian population.PsA was diagnosed as an inflammatory arthritis in patients with psoriasis, in the absence of other etiologies for inflammatory arthritis. Control subjects were ascertained from the same population and were all Caucasian. DNA samples were genotyped for 4 PPAR-gamma variants by time-of-flight mass spectrometry using the Sequenom platform. All 4 single-nucleotide polymorphisms (SNP) were previously-reported coding variations, 3 of which caused an amino acid change: Pro12Ala (rs1801282), Pro40Ala (rs1805192), and Pro115Gln (rs1800571); the fourth SNP, C161T (rs3856806), was synonymous. All primers were designed using Sequenom SpectroDesigner software, and scanned using a mass spectrometry workstation.Of the 4 SNP examined, Pro40Ala and Pro115Gln were found to be nonpolymorphic in our population. Minor allele frequency for patients with PsA and controls for Pro12Ala (G) were 9.0% vs 13.8% (p = 0.017) and for C161T (T) 10.7% vs 12.0% (p = 0.56), respectively. All genotypes satisfied Hardy-Weinberg equilibrium.An association between PsA and a known coding SNP of the PPAR-gamma gene was observed in our Caucasian population. Further studies are now warranted for validation of our findings in an independent cohort.
- Published
- 2006
37. Association of nuclear factor-kappaB in psoriatic arthritis
- Author
-
Christopher, Butt, Shuying, Sun, Lynette, Peddle, Celia, Greenwood, Sean, Hamilton, Dafna, Gladman, and Proton, Rahman
- Subjects
Adult ,Male ,Chi-Square Distribution ,Polymorphism, Genetic ,Genotype ,Incidence ,Arthritis, Psoriatic ,NF-kappa B ,Middle Aged ,Prognosis ,Polymorphism, Single Nucleotide ,Risk Assessment ,Age Distribution ,Gene Frequency ,Reference Values ,Case-Control Studies ,Humans ,Female ,Genetic Predisposition to Disease ,Sex Distribution ,Probability - Abstract
To examine the association of single nucleotide polymorphisms (SNP) in the NFKB1 gene, as well as 2 genes in the nuclear factor (NF)-kappaB functional complex (RelA and NFKBIA), in patients with psoriatic arthritis (PsA) from Newfoundland.Patients with PsA and controls were genotyped for one 4-base insertion/deletion and 5 SNP in NFKB1, 4 SNP in RelA, and 7 SNP in NFKBIA by time-of-flight mass spectrometry, using the Sequenom platform. Chi-square analysis was used to test the single locus associations between SNP in the NF-kappaB complex and PsA. Associations between multi-locus haplotypes and case or control status were tested using the software PHASE.Two hundred and twenty-four patients with PsA (52% male) and 88 ethnically matched controls (64% male) were genotyped. No association was noted with any of the SNP tested for the single locus associations in NFKB1, RelA, and NFKBIA or with multi-locus haplotypes. In particular, the allele frequency for the NFKB1 -94delATTG was 41.7% in cases and 41.6% in the controls (p = 0.97).No association between the NFKB1 -94 ins/delATTG promoter polymorphism or with other NF-kappaB complex SNP in patients with PsA from Newfoundland was observed.
- Published
- 2005
38. Canadian Rheumatology Association Consensus on the use of anti-tumor necrosis factor-alpha directed therapies in the treatment of spondyloarthritis
- Author
-
Walter P, Maksymowych, Robert D, Inman, Dafna, Gladman, Glen, Thomson, Millicent, Stone, Jacob, Karsh, and Anthony S, Russell
- Subjects
Rheumatology ,Tumor Necrosis Factor-alpha ,Antirheumatic Agents ,Immunoglobulin G ,Spondylarthritis ,Antibodies, Monoclonal ,Humans ,Spondylitis, Ankylosing ,Infliximab ,Receptors, Tumor Necrosis Factor ,Etanercept - Abstract
Spondyloarthritis (SpA) represents a group of related arthritides characterized by their association with HLA-B27 and the development of sacroiliitis and enthesitis. Functional impairment, disability, and loss of quality of life may resemble that observed in rheumatoid arthritis. The SpA Research Consortium of Canada (SPARCC) is an informal association of rheumatologist members of the Canadian Rheumatology Association (CRA) with a special interest in therapeutics and outcomes research in SpA. Recent experience with anti-tumor necrosis factor-a (anti-TNF-a) directed therapies prompted a consensus-based evaluation of the evidence supporting their efficacy, safety, and appropriate use in SpA. We evaluated the clinical evidence in support of anti-TNF-a directed therapies in SpA. Medline was searched using appropriate keywords. Abstracts of the 1999-2002 annual meetings of the American College of Rheumatology and the European Congress of Rheumatology were extracted and admitted if sufficient detail was available to determine the level of evidence. Recommendations were based on randomized placebo-controlled trials (Level A evidence) and clinical studies without randomization (Level B evidence). Where the scientific literature was incomplete, recommendations reflected the consensus of SPARCC members (Level C evidence). Following development of an original draft document, consensus for revisions was achieved among members of SPARCC. The document was then posted on the CRA website prior to its final revision. The following recommendations have been endorsed by the Therapeutics Committee of the CRA: Infliximab and etanercept are indicated for reduction of signs and symptoms of moderate to severely active SpA in patients who have had an inadequate response to maximal doses ofor = 2 nonsteroidal antiinflammatory drugs (NSAID) over a 3-month period of observation; and either sulfasalazine or methotrexate is indicated in those with predominantly active peripheral arthritis. Current evidence supports their use as monotherapy (level of evidence A) for at least one year. NSAID and/or second line therapy with either sulfasalazine or methotrexate can be continued concomitantly. There is no evidence addressing potential advantages or disadvantages of combining methotrexate with anti-TNF therapy for SpA. Recommended doses for adults are: infliximab 5 mg/kg at 0, 2, and 6 weeks and every 8 weeks thereafter; etanercept 25 mg subcutaneously twice weekly. No therapy has been shown to slow progression of axial disease in SpA, and prognostic factors for determining response to therapy remain to be determined. It is the position of the CRA that all therapeutic options should be equally available according to the best judgments of the treating physician and the informed decision of the patient.
- Published
- 2003
39. Group psychotherapy reduces illness intrusiveness in systemic lupus erythematosus
- Author
-
Steven M, Edworthy, Patricia L, Dobkin, Ann E, Clarke, Deborah, Da Costa, Maria, Dritsa, Paul R, Fortin, Susan, Barr, Stephanie, Ensworth, John M, Esdaile, André, Beaulieu, Michael, Zummer, Jean-Luc, Senécal, Jean-Richard, Goulet, Denis, Choquette, Eric, Rich, Doug, Smith, Alfred, Cividino, Dafna, Gladman, and Gerald M, Devins
- Subjects
Adult ,Adaptation, Psychological ,Chronic Disease ,Psychotherapy, Group ,Quality of Life ,Humans ,Lupus Erythematosus, Systemic ,Female ,Affective Symptoms ,Middle Aged ,Social Behavior - Abstract
We investigated whether brief supportive-expressive group psychotherapy might reduce illness-induced interference with valued activities and interests (i.e., illness intrusiveness) among women with systemic lupus erythematosus (SLE) in relation to 3 life domains: (1) relationships and personal development (family relationships, other social relationships, self-expression), (2) intimacy (relationship with spouse, sex life), and/or (3) instrumental life (work, finances, active recreation).Women with SLE recruited from 9 rheumatology centers were randomly assigned to receive either usual care (n = 66) or a 12 week brief supportive-expressive group psychotherapy followed by 3 monthly booster sessions (n = 58). Standard instruments assessed disease activity and damage, illness intrusiveness, and psychological distress at 4 measurement occasions: (1) pretreatment, (2) posttreatment, (3) 6 month followup, and (4) 12 month followup.Analysis of covariance, controlling for disease activity and household income, indicated that women who received brief supportive-expressive group psychotherapy experienced significant reductions in illness intrusiveness for 2 of 3 domains: (1) relationships and personal development and (2) intimacy. Benefits were evident at 6 and 12 month followups.Brief supportive-expressive group psychotherapy facilitates adaptation to SLE by assisting women in reducing illness-induced disruptions into important domains of life experience.
- Published
- 2003
40. Psoriatic Arthritis
- Author
-
Dafna Gladman
- Published
- 2003
- Full Text
- View/download PDF
41. Longterm followup of childhood lupus nephritis
- Author
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Stefan, Hagelberg, Yuna, Lee, Joanne, Bargman, Gordon, Mah, Rayfel, Schneider, Carl, Laskin, Allison, Eddy, Dafna, Gladman, Murray, Urowitz, Diane, Hebert, and Earl, Silverman
- Subjects
Adult ,Male ,Canada ,Adolescent ,Prognosis ,Lupus Nephritis ,Survival Analysis ,Survival Rate ,Treatment Outcome ,Child, Preschool ,Azathioprine ,Humans ,Kidney Failure, Chronic ,Female ,Age of Onset ,Child ,Cyclophosphamide ,Immunosuppressive Agents ,Follow-Up Studies - Abstract
To determine the longterm outcome in children with onset of lupus nephritis before 18 years of age.Sixty-seven patients with onset of lupus nephritis prior to age 18 were identified. The mean followup time was 11 years (range 5-19). The mean age at diagnosis was 13.2 years (range 4-17). The male:female ratio was 1:3.8. Renal biopsies were classified using the WHO classification. Fifteen patients had Class II, 8 patients Class III, 32 patients Class IV, and 11 patients Class V and one patient refused biopsy. The cohort consists of the 66 patients who had a renal biopsy. Five patients received cyclophosphamide (CYC) and 17 received azathioprine (AZA) as part of the initial treatment of Class IV nephritis. Eight additional patients received CYC because of a flare of disease while receiving AZA, and 8 other patients received AZA because of a flare of disease while taking prednisone therapy.Four patients died; 6 developed endstage renal disease (ESRD); all but one of the patients who died and/or had ESRD had WHO Class IV [diffuse proliferative glomerulonephritis (DPGN)]; only 2 Caucasians developed ESRD, although 16 out of 36 Caucasians had DPGN; serum creatinine at followup was normal in 84% of the survivors; presently 70% of the patients take less than 7.5 mg prednisone/day and 62% do not take cytotoxic drugs. No patient is currently treated with CYC. All 8 patients with Class III nephritis were taking medication at last followup.The longterm outcome in this group of children with lupus nephritis, in whom AZA was the most commonly used immunosuppressive agent, was excellent, with 94% patient survival at a mean followup of 11 years. Our results suggest that non-Caucasian patients with pediatric onset lupus nephritis may be at increased risk for renal failure compared to Caucasians.
- Published
- 2002
42. The rate and pattern of organ damage in late onset systemic lupus erythematosus
- Author
-
Peter, Maddison, Vernon, Farewell, David, Isenberg, Cynthia, Aranow, Sang-Cheol, Bae, Susan, Barr, Jill, Buyon, Paul, Fortin, Ellen, Ginzler, Dafna, Gladman, John, Hanly, Susan, Manzi, Ola, Nived, Michelle, Petri, Rosalind, Ramsey-Goldman, and Gunnar, Sturfelt
- Subjects
Adult ,Aged, 80 and over ,Male ,Logistic Models ,Disease Progression ,Humans ,Lupus Erythematosus, Systemic ,Female ,Age of Onset ,Middle Aged ,Severity of Illness Index ,Aged - Abstract
To compare the extent and type of damage in patients with late onset and earlier onset systemic lupus erythematosus (SLE) using the Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (SDI).A total of 86 SLE patients with disease onset after the age of 54 years were matched for center, sex, and ethnic origin with 155 SLE patients with disease onset before the age of 40 years. SDI scores were obtained at one year and 5 years after the diagnosis of SLE. Analysis was based on conditional logistic regression.SDI scores were higher in the late onset group than in younger patients at both one [mean 0.7 (range 0-3) vs 0.3 (range 0-3); p0.001] and 5 years [mean 1.6 (range 0-8) vs 0.9 (range 0-7); p0.001] after diagnosis. There was also a difference in the pattern of organ damage. While damage to the skin, kidneys, and central nervous system occurred with similar frequency, late onset disease was characterized by significantly more cardiovascular (OR 14.13, p0.001), ocular (OR 9.38, p = 0.001), and musculoskeletal (OR 2.68, p = 0.016) damage and malignancy (OR 7.04, p = 0.046).The occurrence of organ damage assessed by the SDI is greater in patients with late onset SLE than in younger patients and, by this criterion, lupus cannot be judged to be more benign in this age group. Also, the pattern of damage is different, but whether this reflects age per se or the effect of the disease in the elderly remains to be established.
- Published
- 2002
43. Assessing lupus
- Author
-
David Isenberg and Dafna Gladman
- Subjects
Rheumatology ,Immunology ,Outcome Assessment, Health Care ,Immunology and Allergy ,Humans ,Lupus Erythematosus, Systemic ,Pharmacology (medical) - Published
- 1998
44. Reply
- Author
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Dafna Gladman
- Subjects
Rheumatology - Published
- 2010
- Full Text
- View/download PDF
45. Erratum: Golimumab, a new human tumor necrosis factor α antibody, administered every four weeks as a subcutaneous injection in psoriatic arthritis: Twenty-four-week efficacy and safety results of a randomized, placebo-controlled study
- Author
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Arthur Kavanaugh, Iain McInnes, Philip Mease, Gerald G. Krueger, Dafna Gladman, Juan Gomez-Reino, Kim Papp, Julie Zrubek, Surekha Mudivarthy, Michael Mack, Sudha Visvanathan, and Anna Beutler
- Subjects
Rheumatology ,Immunology ,Immunology and Allergy ,Pharmacology (medical) - Published
- 2010
- Full Text
- View/download PDF
46. Reduced proportions of NKT cells are present in the relatives of lupus patients and are associated with autoimmunity
- Author
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Joan Wither, Yongchun Cai, Sooyeol Lim, Tamara McKenzie, Nicole Roslin, Jaime O Claudio, Glinda S Cooper, Thomas J Hudson, Andrew D Paterson, Celia MT Greenwood, Dafna Gladman, Janet Pope, Christian A Pineau, C Douglas Smith, John G Hanly, Christine Peschken, Gilles Boire, CaNIOS Investigators, and Paul R Fortin
- Subjects
030203 arthritis & rheumatology ,Autoimmune disease ,education.field_of_study ,Systemic lupus erythematosus ,biology ,Immunology ,Population ,medicine.disease ,Natural killer T cell ,medicine.disease_cause ,3. Good health ,Autoimmunity ,03 medical and health sciences ,0302 clinical medicine ,Immune system ,Rheumatology ,Peripheral blood lymphocyte ,medicine ,biology.protein ,Immunology and Allergy ,Antibody ,education ,030215 immunology - Abstract
Systemic lupus erythematosus is a genetically complex disease. Currently, the precise allelic polymorphisms associated with this condition remain largely unidentified. In part this reflects the fact that multiple genes, each having a relatively minor effect, act in concert to produce disease. Given this complexity, analysis of subclinical phenotypes may aid in the identification of susceptibility alleles. Here, we used flow cytometry to investigate whether some of the immune abnormalities that are seen in the peripheral blood lymphocyte population of lupus patients are seen in their first-degree relatives. Peripheral blood mononuclear cells were isolated from the subjects, stained with fluorochrome-conjugated monoclonal antibodies to identify various cellular subsets, and analyzed by flow cytometry. We found reduced proportions of natural killer (NK)T cells among 367 first-degree relatives of lupus patients as compared with 102 control individuals. There were also slightly increased proportions of memory B and T cells, suggesting increased chronic low-grade activation of the immune system in first-degree relatives. However, only the deficiency of NKT cells was associated with a positive anti-nuclear antibody test and clinical autoimmune disease in family members. There was a significant association between mean parental, sibling, and proband values for the proportion of NKT cells, suggesting that this is a heritable trait. The findings suggest that analysis of cellular phenotypes may enhance the ability to detect subclinical lupus and that genetically determined altered immunoregulation by NKT cells predisposes first-degree relatives of lupus patients to the development of autoimmunity.
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- 2008
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47. Reply
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William Taylor, Dafna Gladman, Philip Helliwell, Antonio Marchesoni, Philip Mease, and Herman Mielants
- Subjects
Rheumatology ,Immunology ,Immunology and Allergy ,Pharmacology (medical) - Published
- 2007
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48. Association between serum total cholesterol level and renal outcome in systemic lupus erythematosus.
- Author
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Annaliese Tisseverasinghe, Sooyeol Lim, Celia Greenwood, Murray Urowitz, Dafna Gladman, and Paul R. Fortin
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SERUM ,CHOLESTEROL ,LUPUS erythematosus ,PATIENTS ,MULTIVARIATE analysis - Abstract
To determine whether an elevated serum total cholesterol level in a first‐available sample obtained at a systemic lupus erythematosus (SLE) clinic is associated with worse renal outcome in patients with SLE.Survival analysis methods were used on prospectively gathered data on 1,060 patients with SLE who were registered in the University of Toronto Lupus Databank. The effect of total cholesterol and 15 additional variables on the outcomes of renal deterioration, end‐stage renal disease (ESRD), and death was assessed using Cox proportional hazards methods.In 474 (45%) of the 1,060 patients, the total cholesterol level exceeded 5.2 mmoles/liter. In the entire study group, the median total cholesterol level was 5.1 mmoles/liter (range 1.6–17.1). During a mean followup period of 8.8 years, 93 patients (9%) experienced renal deterioration, 42 patients (4%) had ESRD, and 161 deaths occurred, 48 (30%) of which were associated with renal dysfunction (renal death), and 113 (70%) of which were not associated with renal dysfunction (nonrenal death). Kaplan‐Meier survival estimates for each outcome were statistically significantly different between patients with normal versus those with elevated total cholesterol levels (cutoff 5.2 mmoles/liter), with a worse outcome observed among those with an elevated total cholesterol concentration. In multivariate analyses, total cholesterol level (hazard ratio [HR] 1.17, 95 confidence interval [95% CI] 1.01–1.36), serum creatinine level (HR 1.06, 95% CI 1.04–1.07), proteinuria (HR 2.44, 95% CI 1.25–4.76), the Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (HR 1.44, 95% CI 1.16–1.80), and corticosteroid dose (HR 1.01, 95% CI 1.00–1.02) were associated with renal deterioration. Significant predictors of ESRD were baseline proteinuria (HR 6.24, 95% CI 1.96–19.88) and serum creatinine level (HR 1.15, 95% CI 1.08–1.22). The total cholesterol level was correlated with death (HR 1.20, 95% CI 1.11–1.29), retaining statistical significance for renal death (HR 1.33, 95% CI 1.20–1.47) but not for nonrenal death (HR 1.12, 95% CI 0.99–1.25).Those results indicate that an elevated serum total cholesterol level in a first‐available sample obtained at an SLE clinic is associated with adverse renal outcomes and mortality. [ABSTRACT FROM AUTHOR]
- Published
- 2006
49. Association between the interleukin‐1 family gene cluster and psoriatic arthritis.
- Author
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Proton Rahman, Shuying Sun, Lynette Peddle, Tara Snelgrove, William Melay, Celia Greenwood, and Dafna Gladman
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INTERLEUKINS ,CYTOKINES ,ANKYLOSING spondylitis ,GENETIC polymorphisms ,NUCLEOTIDES ,CHROMOSOMES - Abstract
The interleukin‐1 (IL‐1) cytokine elicits a wide variety of biologic activities that initiate and promote an inflammatory response. The loci in the IL1 gene cluster have recently been associated with ankylosing spondylitis (AS). Since there is clinical and immunologic overlap between psoriatic arthritis (PsA) and AS, we wanted to examine the association between a panel of single‐nucleotide polymorphisms (SNPs) in the IL1 gene family cluster and chromosome 2q12–13 in a PsA cohort.Two hundred twelve PsA patients and 150 ethnically matched controls were genotyped with 11 SNPs in IL1A, 9 SNPs in IL1B, and 9 SNPs in IL1F5–10. Univariate analyses of the 29 single markers and short intragenic haplotypes identified several associated regions. Seventeen markers of interest were noted and further investigated to determine which markers or short haplotypes independently predict case–control status, using a stepwise logistic model.Two regions contributing independently to risk of disease in PsA were noted: a region spanned by markers rs3783547, rs3783543, and rs17561 in IL1A, and a region near the end of IL1B, through IL1F7, IL1F8, and into IL1F10. The best model contained markers rs3811047, rs1562304, and rs3811058, and 1 haplotype constructed from the 3 markers in region 1, with a likelihood ratio of 25.34 (4 degrees of freedom).The IL1 locus appears to be a high‐priority susceptibility locus in PsA, with at least 2 independent regions that confer increased risk. [ABSTRACT FROM AUTHOR]
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- 2006
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50. Sustained benefits of infliximab therapy for dermatologic and articular manifestations of psoriatic arthritis: Results from the infliximab multinational psoriatic arthritis controlled trial (IMPACT).
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Christian E. Antoni, Arthur Kavanaugh, Bruce Kirkham, Zuhre Tutuncu, Gerd R. Burmester, Udo Schneider, Daniel E. Furst, Jerry Molitor, Edward Keystone, Dafna Gladman, Bernhard Manger, Siegfried Wassenberg, Ralf Weier, Daniel J. Wallace, Michael H. Weisman, Joachim R. Kalden, and Josef Smolen
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INFLIXIMAB ,MEDICAL research ,ANTIRHEUMATIC agents ,PSORIATIC arthritis ,ARTHRITIS patients - Abstract
To investigate the efficacy and tolerability of infliximab therapy for the articular and dermatologic manifestations of active psoriatic arthritis (PsA).One hundred four patients with PsA in whom prior therapy with at least 1 disease‐modifying antirheumatic drug (DMARD) had failed were recruited into this investigator‐initiated, multicenter, randomized, double‐blind, placebo‐controlled clinical trial. During the initial blinded portion of the study, patients received infusions of infliximab (5 mg/kg) or placebo at weeks 0, 2, 6, and 14. After week 16, patients initially assigned to receive placebo crossed over to receive infliximab 5 mg/kg every 8 weeks through week 50, while patients initially randomized to infliximab continued to receive active treatment at the same dose through week 50. The primary efficacy outcome was achievement of the American College of Rheumatology 20% criteria for improvement in rheumatoid arthritis (ACR20) at week 16. Additional predefined clinical efficacy assessments included the Psoriasis Area and Severity Index (PASI) score, the ACR50 and ACR70 criteria, the Disease Activity Score in 28 joints, the Health Assessment Questionnaire, ratings of enthesitis and dactylitis, and the Psoriatic Arthritis Response Criteria score.The proportion of infliximab‐treated patients who achieved an ACR20 response at week 16 (65%) was significantly higher than the proportion of placebo‐treated patients who achieved this response (10%). In addition, 46% of infliximab‐treated patients achieved an ACR50 response, and 29% achieved an ACR70 response; no placebo‐treated patient achieved these end points. Among patients who had PASI scores of ≥2.5 at baseline, 68% of infliximab‐treated patients achieved improvement of ≥75% in the PASI score at week 16 compared with none of the placebo‐treated patients. Continued therapy with infliximab resulted in sustained improvement in articular and dermatologic manifestations of PsA through week 50. The incidence of adverse events was similar between the treatment groups.Therapy with infliximab at a dose of 5 mg/kg significantly improved the signs and symptoms of arthritis, psoriasis, dactylitis, and enthesitis in patients with active PsA that had been resistant to DMARD therapy. With continued infliximab treatment, benefits were sustained through 50 weeks. The benefit‐to‐risk ratio appeared favorable in this study population. [ABSTRACT FROM AUTHOR]
- Published
- 2005
- Full Text
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