129 results on '"Pedersen JK"'
Search Results
2. No difference in antidepressant prescription in rheumatoid arthritis and controls. Results from a population-based, matched inception cohort.
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Pedersen, JK, Andersen, K, Svendsen, AJ, and Hørslev-Petersen, K
- Abstract
Depression occurs at least two times more often in rheumatoid arthritis (RA) patients than in controls, but little is known about the treatment of depression in RA. The primary objective of this study was to compare the 1 year period prevalence of antidepressant prescription in patients with RA versus controls. We included a retrospective inception cohort of 509 patients with incident RA and 2545 frequency-matched population controls ascertained from 1995 to 2002. The cohort was followed until 31 December 2017 and linked with nationwide Danish registers. From the Danish National Prescription Register, we obtained information on redeemed prescriptions of antidepressants (Anatomical Therapeutic Chemical code N06A). We did not demonstrate significant differences in the 1 year period prevalence ratios and the incidence rate ratios for either antidepressant prescription or the frequency of hospital admissions with depressive episode. The most frequent indication for antidepressant prescription in patients with RA was depression. Cox regression analyses showed no association between RA and antidepressant prescription. We found no significant differences in the occurrence of antidepressant prescription in patients with RA versus matched controls. The main indication for antidepressant prescription in RA was depression. [ABSTRACT FROM AUTHOR]
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- 2022
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3. Mortality and its predictors in patients with rheumatoid arthritis: a Danish population-based inception cohort study
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Pedersen, JK, primary, Holst, R, additional, Primdahl, J, additional, Svendsen, AJ, additional, and Hørslev-Petersen, K, additional
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- 2018
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4. Effect of a treat-to-target strategy based on methotrexate and intra-articular betamethasone with or without additional cyclosporin on MRI-assessed synovitis, osteitis, tenosynovitis, bone erosion, and joint space narrowing in early rheumatoid arthritis: results from a 2-year randomized double-blind placebo-controlled trial (CIMESTRA)
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Møller-Bisgaard, S, primary, Ejbjerg, BJ, additional, Eshed, I, additional, Hørslev-Petersen, K, additional, Hetland, ML, additional, Jurik, AG, additional, Thomsen, H, additional, Torfing, T, additional, Stengaard-Pedersen, K, additional, Junker, P, additional, Krogh, NS, additional, Lottenburger, T, additional, Ellingsen, T, additional, Andersen, LS, additional, Skjødt, H, additional, Svendsen, AJ, additional, Tarp, U, additional, Hansen, IT, additional, Pødenphant, J, additional, Pedersen, JK, additional, Lindegaard, H, additional, Hanson, LG, additional, Vestergaard, A, additional, Glinatsi, D, additional, and Østergaard, M, additional
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- 2016
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5. Uncoupling of Collagen II Metabolism in Newly-Diagnosed Rheumatoid Arthritis (RA) is Linked to Inflammation and Antibodies against Cyclic Citrullinated Peptides
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Christensen, AF, Junker, P, Lindegaard, H, Christgau, S, Lottenburger, Tine, Hetland, Merete Lund, Stengaard-Pedersen, Kristian, Jacobsen, S, Ellingsen, Torkell Juulsgaad, Andersen, LS, Hansen, I, Skjodt, H, Pedersen, JK, Lauridsen, UB, Svendsen, A, Tarp, Ulrik, Podenphant, J, Jurik, Anne Grethe, and Østergaard, Mikkel
- Published
- 2009
6. MRI Bone Oedema is the Strongest Predictor of Subsequent Radiographic Progression in Early RA. Results from a 2 Year Randomized Controlled Trial (CIMESTRA)
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Hetland, ML, Ejbjerg, B, Østergaard, M, Jacobsen, S, Vestergaard, A, Jurik, Anne Grethe, Stengaard-Pedersen, Kristian, Junker, P, Lottenburger, T, Hansen, Ib Tønder, Andersen, LS, Tarp, Ulrik, Skjødt, H, Pedersen, JK, Majgaard, O, Svendsen, A, Ellingsen, Torkell Juulsgaad, Hansen, G, Lindegaard, H, Vallø, J, Torfing, T, Narvestad, E, Thomsen, HS, and Hørslev-Petersen, K
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- 2007
7. Effect of a treat-to-target strategy based on methotrexate and intra-articular betamethasone with or without additional cyclosporin on MRI-assessed synovitis, osteitis, tenosynovitis, bone erosion, and joint space narrowing in early rheumatoid arthritis: results from a 2-year randomized double-blind placebo-controlled trial (CIMESTRA).
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Møller-Bisgaard, S, Ejbjerg, BJ, Eshed, I, Hørslev-Petersen, K, Hetland, ML, Jurik, AG, Thomsen, H, Torfing, T, Stengaard-Pedersen, K, Junker, P, Krogh, NS, Lottenburger, T, Ellingsen, T, Andersen, LS, Skjødt, H, Svendsen, AJ, Tarp, U, Hansen, IT, Pødenphant, J, and Pedersen, JK
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METHOTREXATE ,RHEUMATOID arthritis treatment ,CYCLOSPORINE ,OSTEITIS ,SYNOVITIS ,MAGNETIC resonance imaging ,THERAPEUTICS - Abstract
Objectives: To investigate whether a treat-to-target strategy based on methotrexate (MTX) and intra-articular (IA) betamethasone suppresses magnetic resonance imaging (MRI)-determined measures of disease activity and reduces joint destruction in early rheumatoid arthritis (eRA) patients, and to investigate whether concomitant cyclosporin A (CyA) provides an additional effect.Method: In the 2-year randomized, double-blind, treat-to-target trial CIMESTRA, 160 patients with eRA (< 6 months) were randomized to MTX, intra-articular betamethasone and CyA, or placebo CyA. A total of 129 patients participated in the MRI substudy, and had contrast-enhanced MR images of the non-dominant hand at months 0, 6, 12, and 24. MR images were evaluated for osteitis, synovitis, tenosynovitis, bone erosion, and joint space narrowing (JSN), using validated scoring methods.Results: Significant reductions were seen at 6 months in all inflammatory parameters [synovitis, mean change -1.6 (p < 0.001, Wilcoxon), tenosynovitis, -3.5 (p < 0.001), and osteitis, -1.3 (p < 0.05)] and at 12/24 months in synovitis and tenosynovitis [-1.6/-2.2 and -3.6/-3.8, respectively; all p < 0.001]. MRI signs of inflammation were not fully eliminated, and increases in erosion and JSN scores were observed at 6 months [0.4 (p < 0.01)/0.1 (p < 0.05)], 12 months [0.8 (p < 0.001)/0.3 (p < 0.01)], and 24 months [1.0 (p < 0.001)/0.4 (p < 0.001)]. Clinical measures decreased significantly (p < 0.001) at all time points. There were no consistent statistically significant differences between treatment groups.Conclusions: In this eRA treat-to-target trial, MTX and intra-articular glucocorticoids markedly reduced, but did not eliminate, MRI osteitis, synovitis, and tenosynovitis. Accordingly, minimal but statistically significant increases in bone erosion and JSN were observed. No additional effect of CyA was demonstrated. [ABSTRACT FROM AUTHOR]- Published
- 2017
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8. Interactions between smoking, increased serum levels of anti-CCP antibodies, rheumatoid factors, and erosive joint disease in patients with early, untreated rheumatoid arthritis
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Krol, A, primary, Garred, P, additional, Heegaard, NHH, additional, Christensen, AF, additional, Hetland, ML, additional, Stengaard-Pedersen, K, additional, Junker, P, additional, Madsen, HO, additional, Lottenburger, T, additional, Ellingsen, T, additional, Andersen, LS, additional, Hansen, I, additional, Pedersen, JK, additional, Svendsen, AJ, additional, Tarp, U, additional, Pødenphant, J, additional, Lindegaard, H, additional, Østergaard, M, additional, Hørslev-Petersen, K, additional, and Jacobsen, S, additional
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- 2014
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9. Upregulated baseline plasma CCL19 and CCR7 cell-surface expression on monocytes in early rheumatoid arthritis normalized during treatment and CCL19 correlated with radiographic progression
- Author
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Ellingsen, T, primary, Hansen, I, additional, Thorsen, J, additional, Møller, BK, additional, Tarp, U, additional, Lottenburger, T, additional, Andersen, LS, additional, Skjødt, H, additional, Pedersen, JK, additional, Lauridsen, UB, additional, Svendsen, A, additional, Lindegaard, H, additional, Jacobsen, S, additional, Østergaard, M, additional, Vestergaard, A, additional, Jurik, AG, additional, Junker, P, additional, Christensen, AF, additional, Hetland, ML, additional, Hørslev-Petersen, K, additional, and Stengaard-Pedersen, K, additional
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- 2013
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10. Interactions between smoking, increased serum levels of anti-CCP antibodies, rheumatoid factors, and erosive joint disease in patients with early, untreated rheumatoid arthritis.
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Krol, A, Garred, P, Heegaard, NHH, Christensen, AF, Hetland, ML, Stengaard-Pedersen, K, Junker, P, Madsen, HO, Lottenburger, T, Ellingsen, T, Andersen, LS, Hansen, I, Pedersen, JK, Svendsen, AJ, Tarp, U, Pødenphant, J, Lindegaard, H, Østergaard, M, Hørslev-Petersen, K, and Jacobsen, S
- Abstract
Objectives: To determine to what extent shared epitopes, smoking, and anti-cyclic citrullinated peptide (anti-CCP) antibodies are associated with disease activity and erosive disease in patients with rheumatoid arthritis (RA) at disease onset. Method: RA patients not previously treated with disease-modifying anti-rheumatic drugs (DMARDs) and with a disease duration of < 6 months (CIMESTRA study) were examined for shared epitopes, anti-CCP antibodies, immunoglobulin M rheumatoid factor (IgM-RF) and IgA-RF, radiographic erosive changes in hands and feet, and clinical disease activity. Results: The study comprised 153 patients, of whom 104 (68%) were ever-smokers. The prevalence of patients with 0, 1, or 2 shared epitopes was 40 (48%), 71 (49%), and 33 (23%), respectively. Anti-CCP antibodies, IgM-RF, and IgA-RF were present in 89 (58%), 99 (65%), and 82 (54%) patients, respectively. Among smokers, erosive disease was associated with anti-CCP antibodies [odds ratio (OR) 3.9, 95% confidence interval (CI) 1.6–9.3], IgM-RF (OR 4.9, 95% CI 1.9–12), and IgA-RF (OR 2.8, 95% CI 1.2–6.4) but absent with regard to shared epitopes. Among never-smokers, erosive disease was not associated with either shared epitopes or antibodies. All antibody levels measured were associated with smoking and shared epitopes. Conclusions: Shared epitopes and smoking were associated with the production of anti-CCP antibodies and rheumatoid factors of IgM and IgA isotypes, which again were associated with erosive disease at presentation only in smokers. As shared epitopes and smoking were not directly associated with erosive disease, smoking may enhance the development of erosive disease in RA at different levels or through separate pathways. [ABSTRACT FROM AUTHOR]
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- 2015
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11. Upregulated baseline plasma CCL19 and CCR7 cell-surface expression on monocytes in early rheumatoid arthritis normalized during treatment and CCL19 correlated with radiographic progression.
- Author
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Ellingsen, T, Hansen, I, Thorsen, J, Møller, BK, Tarp, U, Lottenburger, T, Andersen, LS, Skjødt, H, Pedersen, JK, Lauridsen, UB, Svendsen, A, Lindegaard, H, Jacobsen, S, Østergaard, M, Vestergaard, A, Jurik, AG, Junker, P, Christensen, AF, Hetland, ML, and Hørslev-Petersen, K
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CELL membranes ,RHEUMATOID arthritis ,CHEMOKINE receptors ,T cells ,METHOTREXATE ,CYCLOSPORINS - Abstract
Objectives: The aim of this study was to measure, in early rheumatoid arthritis (RA) patients, the concentration of CC-chemokine ligand 19 (CCL19) in plasma and the cell-surface expression of CC-chemokine receptor 7 (CCR7) on circulating monocytes and CD4+ T lymphocytes and to analyse correlations with disease activity and 5-year radiographic progression. Method: In disease-modifying anti-rheumatic drug (DMARD)-naïve RA patients (disease duration < 6 months), we measured plasma CCL19 by enzyme-linked immunosorbent assay (ELISA) (n = 160) and CCR7 cell-surface expression on monocytes and CD4+ T lymphocytes by flow cytometry (n = 40) at baseline and after 1 year of treatment with methotrexate (MTX) or methotrexate+cyclosporin A (MTX/CyA). Radiographic progression was scored by the van der Heijde-modified Total Sharp Score (TSS) from 0 to 5 years. Results: Increased baseline CCL19 (median 85 pg/mL, range 31-1008 pg/mL, p = 0.01) decreased after 1 year (median 31 pg/mL, range 31-1030 pg/mL, p < 0.001) and 5 years (median 31 pg/mL, range 31-247 pg/mL, p < 0.001) to a level below the controls (n = 45) (median 60 pg/mL, range 31-152 pg/mL). Baseline plasma CCL19 levels [p = 0.011, 95% confidence interval (CI) 0.0030-0.0176], anti-cyclic citrullinated peptide (anti-CCP) antibody status (p = 0.002, 95% CI 0.61-2.38), and TSS > 0 at baseline (p < 0.001, 95% CI 1.21-3.16) were independent predictors of 5-year radiographic progression evaluated by multiple logistic regression in contrast to never smoked, C-reactive protein (CRP), gender, age, number of tender (NTJ) and swollen joints (NSJ), and 28-joint Disease Activity Score (DAS28). Increased CCR7 expression on monocytes (p = 0.008) correlated to CRP (p = 0.006, r = 0.52) and normalized (n = 15) after 1 year (p = 0.02). Conclusions: In DMARD-naïve RA patients, CCL19 plasma level and CCR7 surface expression on monocytes were upregulated and normalized after 1 year of treatment. Increased baseline plasma CCL19 level, anti-CCP antibody status, and TSS > 0 at baseline correlated independently with 5-year radiographic progression. [ABSTRACT FROM AUTHOR]
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- 2014
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12. Cancer and longevity--is there a trade-off? A study of cooccurrence in Danish twin pairs born 1900-1918.
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Christensen K, Pedersen JK, Hjelmborg JV, Vaupel JW, Stevnsner T, Holm NV, Skytthe A, Christensen, Kaare, Pedersen, Jacob K, Hjelmborg, Jacob V B, Vaupel, James W, Stevnsner, Tinna, Holm, Niels V, and Skytthe, Axel
- Abstract
Background: Animal models and a few human studies have suggested a complex interaction between cancer risk and longevity indicating a trade-off where low cancer risk is associated with accelerating aging phenotypes and, vice versa, that longevity potential comes with the cost of increased cancer risk. This hypothesis predicts that longevity in one twin is associated with increased cancer risk in the cotwin.Methods: A total of 4,354 twin pairs born 1900-1918 in Denmark were followed for mortality in the Danish Civil Registration System through 2008 and for cancer incidence in the period 1943-2008 through the Danish Cancer Registry.Results: The 8,139 twins who provided risk time for cancer occurrence entered the study between ages 24 and 43 (mean 33 years), and each participant was followed up to death, emigration, or at least 90 years of age. The total follow-up time was 353,410 person-years and, 2,524 cancers were diagnosed. A negative association between age at death of a twin and cancer incidence in the cotwin was found in the overall analyses as well as in the subanalysis stratified on sex, zygosity, and random selection of one twin from each twin pair.Conclusions: This study did not find evidence of a cancer-longevity trade-off in humans. On the contrary, it suggested that longevity in one twin is associated with lower cancer incidence in the cotwin, indicating familial factors associated with both low cancer occurrence and longevity. [ABSTRACT FROM AUTHOR]- Published
- 2012
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13. Academic performance in adolescence after inguinal hernia repair in infancy: a nationwide cohort study.
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Hansen TG, Pedersen JK, Henneberg SW, Pedersen DA, Murray JC, Morton NS, and Christensen K
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BACKGROUND: Although animal studies have indicated that general anesthetics may result in widespread apoptotic neurodegeneration and neurocognitive impairment in the developing brain, results from human studies are scarce. We investigated the association between exposure to surgery and anesthesia for inguinal hernia repair in infancy and subsequent academic performance. METHODS: Using Danish birth cohorts from 1986-1990, we compared the academic performance of all children who had undergone inguinal hernia repair in infancy to a randomly selected, age-matched 5% population sample. Primary analysis compared average test scores at ninth grade adjusting for sex, birth weight, and paternal and maternal age and education. Secondary analysis compared the proportions of children not attaining test scores between the two groups. RESULTS: From 1986-1990 in Denmark, 2,689 children underwent inguinal hernia repair in infancy. A randomly selected, age-matched 5% population sample consists of 14,575 individuals. Although the exposure group performed worse than the control group (average score 0.26 lower; 95% CI, 0.21-0.31), after adjusting for known confounders, no statistically significant difference (-0.04; 95% CI, -0.09 to 0.01) between the exposure and control groups could be demonstrated. However, the odds ratio for test score nonattainment associated with inguinal hernia repair was 1.18 (95% CI, 1.04-1.35). Excluding from analyses children with other congenital malformations, the difference in mean test scores remained nearly unchanged (0.05; 95% CI, 0.00-0.11). In addition, the increased proportion of test score nonattainment within the exposure group was attenuated (odds ratio = 1.13; 95% CI, 0.98-1.31). CONCLUSION: In the ethnically and socioeconomically homogeneous Danish population, we found no evidence that a single, relatively brief anesthetic exposure in connection with hernia repair in infancy reduced academic performance at age 15 or 16 yr after adjusting for known confounding factors. However, the higher test score nonattainment rate among the hernia group could suggest that a subgroup of these children are developmentally disadvantaged compared with the background population. [ABSTRACT FROM AUTHOR]
- Published
- 2011
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14. Radiographic progression and remission rates in early rheumatoid arthritis - MRI bone oedema and anti-CCP predicted radiographic progression in the 5-year extension of the double-blind randomised CIMESTRA trial.
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Hetland ML, Stengaard-Pedersen K, Junker P, Ostergaard M, Ejbjerg BJ, Jacobsen S, Lottenburger T, Hansen I, Tarp U, Andersen LS, Svendsen A, Pedersen JK, Lauridsen UB, Ellingsen T, Lindegaard H, Pødenphant J, Vestergaard A, Jurik AG, Hørslev-Petersen K, and CIMESTRA Study Group
- Abstract
Objective: At 5 years' follow-up of early (<6 months) rheumatoid arthritis patients to (1) investigate whether initial combination therapy with methotrexate (MTX) and ciclosporin (CSA) (n=80) is superior to initial monotherapy with MTX (n=80) with respect to prevention of radiographic progression, (2) investigate whether the favourable clinical and radiographic response reported at 2 years in the CIMESTRA trial can be maintained and (3) identify predictors of radiographic outcome.Methods: 139 patients completed 5 years' follow-up with maintained double-blinding and a strict synovitis suppressive treatment strategy with intra-articular betamethasone injections (intra-articular glucocorticosteroid (GC)) and escalation of disease-modifying anti-rheumatic drug treatment. Disease activity, total Sharp-van der Heijde Score (TSS) of hands, wrists and forefeet were assessed at baseline and after 3, 4 and 5 years. MRI of the wrist and anti-cyclic citrullinated peptide (anti-CCP) were assessed at baseline.Results: At 5 years, TSS progression rate was <1 unit/year and 47% had not progressed radiographically since baseline. 78% were in Disease Activity Score remission, 56% in American College of Rheumatology remission and 17% withdrawn from treatment due to remission. There were no differences between initial treatment groups. MRI-bone marrow oedema, TSS and anti-CCP predicted radiographic progression at 5 years.Conclusion: Early and strict synovitis suppressive treatment with MTX and intra-articular GC lead to high remission rates and halting of erosive progression at 5 years. No additional effect of initial combination therapy with CSA was found. The results parallel those reported for tumour necrosis factor α antagonists. Baseline MRI-bone oedema, TSS and anti-CCP predicted radiographic progression. [ABSTRACT FROM AUTHOR]- Published
- 2010
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15. Combination treatment with methotrexate, cyclosporine, and intraarticular betamethasone compared with methotrexate and intraarticular betamethasone in early active rheumatoid arthritis: an investigator-initiated, multicenter, randomized, double-blind, parallel-group, placebo-controlled study.
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Hetland ML, Stengaard-Pedersen K, Junker P, Lottenburger T, Ellingsen T, Andersen LS, Hansen I, Skjødt H, Pedersen JK, Lauridsen UB, Svendsen A, Tarp U, Pødenphant J, Hansen G, Lindegaard H, Carvalho A, Østergaard M, Hørslev-Petersen K, and CIMESTRA Study Group
- Abstract
OBJECTIVE: To investigate whether disease control can be achieved in early active rheumatoid arthritis (RA) by treatment with methotrexate and intraarticular betamethasone, and whether the addition of cyclosporine to the regimen has any additional effect. METHODS: Patients (n = 160) were randomized to receive methotrexate 7.5 mg/week plus cyclosporine 2.5 mg/kg of body weight/day (combination therapy) or methotrexate plus placebo-cyclosporine (monotherapy). At weeks 0, 2, 4, 6, and 8 and every 4 weeks thereafter, betamethasone was injected into swollen joints (maximum 4 joints or 4 ml per visit). Beginning at week 8, if synovitis was present, the methotrexate dosage was increased stepwise up to 20 mg/week, with a subsequent stepwise increase in the cyclosporine or placebo-cyclosporine dosage up to 4 mg/kg. RESULTS: At 52 weeks, 20% improvement according to the American College of Rheumatology criteria (ACR20) was achieved in 85% of the combination therapy group versus 68% of the monotherapy group (P = 0.02). The median individual overall ACR response (ACR-N) in the 2 groups was 80.0% (interquartile range 40.1-91.8%) and 54.5% (interquartile range 2.4-87.8%), respectively (P = 0.025). At 48 and 52 weeks, ACR remission criteria were met in 35% of the combination therapy group and 28% of the monotherapy group. Progression in the Larsen score at 52 weeks was -0.2 +/- 6.5 and 0.4 +/- 6.9 (mean +/- SD) in the combination therapy and monotherapy groups, respectively. Serum creatinine levels increased by 7%, and hypertrichosis was more prevalent, in the combination therapy group. CONCLUSION: Combined treatment with methotrexate and intraarticular glucocorticoid showed excellent disease control and stopped the progression of erosions in patients with early active RA, who had a poor prognosis. Addition of cyclosporine improved the ACR20 and ACR-N responses, whereas the ACR50 and ACR70 responses, remission rates, and radiographic changes did not differ between the 2 study groups. [ABSTRACT FROM AUTHOR]
- Published
- 2006
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16. Continuous excellent treatment response to aggressive combination therapy in early rheumatoid arthritis. Year two results from the Cimestra study, an investigator-initiated, randomised, controlled, double-blinded study of methotrexate, intraarticular corticosteroid and cyclosporine or placebo-cyclosporine
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Horslev-Petersen, K., Stengaard-Pedersen, Kt, Junker, P., Lottenburger, T., Hansen, I., Andersen, Ls, Tarp, U., Svendsen, A., Pedersen, Jk, Skjodt, H., Lauridsen, Ub, Podenphant, J., Ellingsen, T., Hansen, Gvo, Lindegaard, H., Ostergaard, M., and Merete Lund Hetland
17. Circulating connective tissue metabolites in very early rheumatoid arthritis
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Lottenburger, T., Junker, P., Junker, K., Merete Lund Hetland, Stengaard-Pedersen, K., Hansen, I., Andersen, Ls, Ellingsen, T., Tarp, U., Skjodt, H., Pedersen, Jk, Lauridsen, Ub, Svendsen, A., Podenphandt, J., Hansen, G., Lindegaard, Hm, Ostergaard, M., and Horslev-Petersen, K.
18. Mosaic loss of Y chromosome and the association to mortality in Danish men aged 56 to 100 years.
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Hozakowska-Roszkowska DM, Mengel-From J, Hristozova TK, Pedersen JK, Jeune B, Andersen-Ranberg K, Hjelmborg JVB, Christensen K, Röttger R, and Nygaard M
- Abstract
Mosaic loss of the Y chromosome (mLOY) is a common somatic mutation in the blood of elderly men and several studies have found mLOY in blood cells to be associated with an increased risk of various diseases and mortality. However, most of these studies have focused on middle-aged and older adults, meaning that mLOY in extremely old individuals like centenarians is understudied. To explore mLOY across a wider age range compared to earlier studies and to specifically focus on centenarians, mLOY was estimated in 917 Danish men aged 56-100 years. We found that the percentage of men with LOY increased with age until age 85, after which it plateaued at around 40%. Consistently, a longitudinal comparison of mLOY revealed that mLOY predominantly increased with age, although substantial inter-individual variation was seen. Using a twin sub-sample, the broad-sense heritability of mLOY was estimated at 72%, indicating a substantial genetic influence. Supporting previous findings, mLOY was found to associate with increased mortality across all study participants and in men younger than 80 years. In centenarians, however, a higher level of mLOY associated with better survival, most likely due to selection, although confirmation of our findings in larger studies is needed., Competing Interests: Conflicts of Interest The authors declare no conflicts of interest., (Copyright © 2024 The Author(s). Published by Elsevier B.V. All rights reserved.)
- Published
- 2024
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19. Contaminant mass discharge estimation of a sulfonamide plume by use of hydraulic profiling tool (HPT) and fluorescence techniques.
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Lemaire GG, Broholm MM, Wünsch U, Hirsch M, Ottosen CF, Thrane BB, Pedersen JK, Dissing L, and Bjerg PL
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The contaminant mass discharge is a relevant metric to evaluate the risk that a groundwater plume poses to water resources. However, this assessment is often vitiated by a high uncertainty inherent to the assessment method and often limited number of measurement points to carry out the assessment. Direct-Push techniques in combination with profiling tools and dedicated sampling can be an interesting alternative to increase the measurement point density and hence reduce the mass discharge uncertainty. The main objective of our study was to assess if DP logging and sampling could be employed to get a reasonable estimate of contaminant mass discharge in a large sulfonamide contaminant plume (> 1500 m wide), compared to a more traditional approach based on monitoring wells. To do so, an Hydraulic Profiling Tool (HPT) logging with a dedicated site calibration was used to estimate the hydraulic conductivity field. The sulfonamide concentrations were inferred from the compound fluorescence properties measured by laboratory spectrofluorometry (λ
Ex / λEm = 255/340 nm) and a dedicated log-log linear regression model. Our results show that HPT-derived hydraulic conductivity values are in good agreement with the monitoring well results, and within the order of magnitude reported in similar studies or indirect geophysical techniques. Fluorescence appears as a powerful proxy for the sulfonamide concentration levels. Ultimately, the contaminant mass discharge estimate from HPT and fluorescence techniques lies within a factor 2 from the estimate by monitoring wells, with 549 [274-668] and 776 [695-879] kg/yr respectively. Overall, this study highlights that DP logging tools combined with indirect methods (correlation with fluorescence) could provide a relevant contaminant mass discharge estimate for some optically active substances, given that a proper calibration phase is carried out., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024. Published by Elsevier B.V.)- Published
- 2024
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20. Antibiotics in inflammatory arthritis and background population one year before and after diagnosis: a nationwide drug utilisation study.
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Kragsnaes MS, Risbo N, Pedersen JK, Obel N, Finckh A, Pedersen AB, and Ellingsen T
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Objectives: To describe antibiotic use in patients with inflammatory arthritis (IA) and in the background population (BP) within one year before and after IA diagnosis., Methods: Using data from Danish nationwide registries, we identified all adults with a first-time diagnosis of rheumatoid arthritis (RA), psoriatic arthritis (PsA), or ankylosing spondylitis/spondyloarthritis (AS/SpA) from 2010 through 2018. For each IA patient, we randomly sampled ten persons from the BP, matched on sex and birthdate. We calculated the prevalence (n [%]) of any antibiotic dispensing and the total antibiotic dispensing in the year before and after diagnosis., Results: We identified 28 504 new-onset IA patients (RA, n = 16 130; PsA, n = 5,988; AS/SpA, n = 6,386) and 285 040 BP individuals. The one-year prevalence of any antibiotic dispensing was 42.1% in IA patients before diagnosis vs 30.7% in the BP. The total antibiotic dispensing was higher the one-year before both RA, PsA, and As/SpA compared with BP (prevalence rate ratios [PRR], 1.48 [1.46; 1.51]; 1.67 [1.62; 1.72]; 1.52 [1.47; 1.56], respectively), and increased with 22% in IA patients three months before diagnosis compared with the preceding three-month period. Although the prevalence of any antibiotic dispensing in IA patients decreased in the year following the diagnosis (IA; 40.6%), the total one-year antibiotic dispensing remained constant in RA (PRR 0.99 [0.97; 1.01]), decreased in PsA (0.91 [0.87; 0.94]), and increased in AS/SpA (1.08 [1.04; 1.12]) patients after diagnosis compared with before., Conclusion: Antibiotics are more frequently dispensed to individuals developing IA compared with the BP. Antibiotic utilisation patterns change after IA diagnosis with marked differences among IA subgroups., (© The Author(s) 2024. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
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- 2024
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21. Trends in Incidence of Hip Fracture and Hip Replacement in Denmark, 1996 to 2018.
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Jensen TM, Pedersen JK, Waldorff FB, Søndergaard J, Overgaard S, and Christensen K
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- Humans, Denmark epidemiology, Aged, Incidence, Female, Male, Middle Aged, Aged, 80 and over, Adult, Cohort Studies, Hip Fractures epidemiology, Arthroplasty, Replacement, Hip statistics & numerical data, Arthroplasty, Replacement, Hip trends, Registries
- Abstract
Importance: The past several decades have witnessed substantial changes in treatments that are particularly relevant for older patients., Objectives: To assess changes in national-level incidence rates of fracture- and musculoskeletal-related (ie, arthritis-related) hip replacement procedures for individuals aged 40 to 104 years over a 23-year period in Denmark., Design, Setting, and Participants: This cohort study used national Danish health registers to include the Danish population aged 40 to 104 years from January 1, 1996, to December 31, 2018. Data were analyzed from May 31, 2022, to February 14, 2024., Main Outcomes and Measures: Age- and period-specific incidence rates of hip fracture and hip replacement stratified on fracture-related vs arthritis-related indication., Results: From 1996 to 2018, a total of 3 664 979 individuals were followed up for a mean (SD) of 14.6 (7.7) years, resulting in a follow-up time of 53 517 861 person-years and 158 982 (first) hip fractures, of which 42 825 involved fracture-related hip replacement procedures. A further 104 422 individuals underwent arthritis-related hip replacement. During the first 2 decades of the 21st century, hip fracture rates declined by 35% to 40% for individuals aged 70 to 104 years, and the proportion of the population undergoing fracture-related hip replacement increased by 50% to 70%, with modest variation across those aged 75 to 99 years. Rates of arthritis-related hip replacements peaked for individuals aged 75 to 79 years, but with the largest relative rate increase (75%-100%) occurring for those aged 80 to 94 years, primarily from 2001 to 2015, whereafter it remained nearly unchanged. The decline in rates of arthritis-related hip replacement after 75 to 79 years of age was gradual and did not suggest an upper age limit for access to arthritis-related hip replacement., Conclusions and Relevance: The findings of this cohort study suggest that during the past several decades in Denmark, the incidence of hip fractures declined by 35% to 40% among patients aged 80 to 104 years, while the proportion receiving fracture-related hip replacement remained relatively constant after 75 years of age. During the first decades of the 21st century, arthritis-related hip replacement incidence increased by 50% to 100% among older patients and stabilized hereafter, with no apparent cutoff age for this type of procedure. These patterns indicate a positive overall trend with declining hip fracture incidence over the last decades in Denmark, and the observed hip replacement incidence suggests that age is currently not a major determining factor guiding this type of surgery.
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- 2024
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22. Mortality in patients with incident rheumatoid arthritis and depression: a Danish cohort study of 11 071 patients and 55 355 comparators.
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Pedersen JK, Wang L, Risbo N, Pedersen AB, Andersen K, and Ellingsen T
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- Humans, Cohort Studies, Antidepressive Agents therapeutic use, Denmark epidemiology, Depression epidemiology, Arthritis, Rheumatoid drug therapy, Arthritis, Rheumatoid epidemiology
- Abstract
Objectives: In patients with RA, the association between mortality and depression has been investigated only in patients with prevalent RA. In this study, we estimated the mortality risk associated with depression, defined as the first filling of a prescription for antidepressants, in patients with incident RA and background population comparators., Methods: From 2008 to 2018, we identified patients with incident RA in the nationwide Danish rheumatologic database, DANBIO. For each patient, we randomly selected five comparators. Participants were not treated with antidepressants or diagnosed with depression 3 years prior to the index date. From other registers we collected data on socioeconomic status, mortality and cause of death using unique personal identifiers. Using Cox models, we calculated hazard rate ratios (HRR) with 95% CI., Results: In depressed patients with RA vs patients without depression, adjusted HRR for all-cause mortality was 5.34 (95% CI 3.02, 9.45) during 0-2 years and 3.15 (95% CI 2.62, 3.79) during the total follow-up period, and highest in patients <55 years with HRR 8.13 (95% CI 3.89, 17.02). In comparators with depression vs comparators without depression, the association with mortality was similar to that in patients with RA. There were no unnatural causes of death among depressed patients with RA. The most frequent natural causes of death were cancer, cardiovascular disease, stroke and pneumonia., Conclusion: In patients with RA, depression was a predictor of death but with a strength similar to that in matched comparators., (© The Author(s) 2023. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
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- 2024
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23. Dynamics of inflammation-associated plasma proteins following faecal microbiota transplantation in patients with psoriatic arthritis and healthy controls: exploratory findings from the FLORA trial.
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Kragsnaes MS, Jensen JRB, Nilsson AC, Malik MI, Munk HL, Pedersen JK, Horn HC, Kruhøffer M, Kristiansen K, Mullish BH, Marchesi JR, Kjeldsen J, Röttger R, and Ellingsen T
- Subjects
- Humans, Fecal Microbiota Transplantation adverse effects, Interleukin-6, Treatment Outcome, Inflammation etiology, Tumor Necrosis Factor-alpha, Antigens, Neoplasm, Cell Adhesion Molecules, Arthritis, Psoriatic therapy, Arthritis, Psoriatic etiology
- Abstract
Objectives: The gut microbiota can mediate both pro and anti-inflammatory responses. In patients with psoriatic arthritis (PsA), we investigated the impact of faecal microbiota transplantation (FMT), relative to sham transplantation, on 92 inflammation-associated plasma proteins., Methods: This study relates to the FLORA trial cohort, where 31 patients with moderate-to-high peripheral PsA disease activity, despite at least 3 months of methotrexate treatment, were included in a 26-week, double-blind, randomised, sham-controlled trial. Participants were allocated to receive either one gastroscopic-guided healthy donor FMT (n=15) or sham (n=16). Patient plasma samples were collected at baseline, week 4, 12 and 26 while samples from 31 age-matched and sex-matched healthy controls (HC) were collected at baseline. Samples were analysed using proximity extension assay technology (Olink Target-96 Inflammation panel)., Results: Levels of 26 proteins differed significantly between PsA and HC pre-FMT (adjusted p<0.05), of which 10 proteins were elevated in PsA: IL-6, CCL20, CCL19, CDCP1, FGF-21, HGF, interferon-γ (IFN-γ), IL-18R1, monocyte chemotactic protein 3, and IL-2. In the FMT group, levels of 12 proteins changed significantly across all timepoints (tumour necrosis factor (TNF), CDCP1, IFN-γ, TWEAK, signalling lymphocytic activation molecule (SLAMF1), CD8A, CD5, Flt3L, CCL25, FGF-23, CD6, caspase-8). Significant differences in protein levels between FMT and sham-treated patients were observed for TNF (p=0.002), IFN-γ (p=0.011), stem cell factor (p=0.024), matrix metalloproteinase-1 (p=0.038), and SLAMF1 (p=0.042). FMT had the largest positive effect on IFN-γ, Axin-1 and CCL25 and the largest negative effect on CCL19 and IL-6., Conclusions: Patients with active PsA have a distinct immunological plasma protein signature compared with HC pre-FMT. FMT affects several of these disease markers, including sustained elevation of IFN-γ., Trial Registration Number: NCT03058900., Competing Interests: Competing interests: BHM has received consultancy fees from Finch Therapeutics Group, outside of the submitted work. JRM has received consultancy fees from Cultech Ltd., and Enterobiotix Ltd., outside of the submitted work., (© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2024
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24. End of Life Events and Causes of Death in Danish Long-Lived Siblings: Reduced Dementia Risk Compared to Sporadic Long-Livers.
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Galvin A, Pedersen JK, Arbeev KG, Feitosa MF, Ukraintseva S, Yao S, Newman AB, and Christensen K
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- Humans, Denmark epidemiology, Male, Female, Aged, 80 and over, Longevity, Aged, Dementia epidemiology, Dementia mortality, Siblings, Cause of Death
- Abstract
Background: Better physical robustness and resilience of long-lived siblings compared to sporadic long-livers has been demonstrated in several studies. However, it is unknown whether long-lived siblings also end their lives better., Objective: To investigate end-of-life (EoL) events (dementia diagnosis, medication, hospitalizations in the last 5 years of life), causes of death, and location of death in long-lived siblings compared to matched sporadic long-livers from the Danish population., Methods: Long-lived siblings were identified through three nationwide Danish studies in which the inclusion criteria varied, but 99.5% of the families had at least two siblings surviving to age 90 + . Those who died between 2006 and 2018 were included, and randomly matched with sex, year-of-birth and age-at-death controls (i.e., sporadic long-lived controls) from the Danish population., Results: A total of 5,262 long-lived individuals were included (1,754 long-lived siblings, 3,508 controls; 63% women; median age at death 96.1). Long-lived siblings had a significantly lower risk of being diagnosed with dementia in the last years of life (p = 0.027). There was no significant difference regarding the number of prescribed drugs, hospital stays, days in hospital, and location of death. Compared to controls, long-lived siblings presented a lower risk of dying from dementia (p = 0.020) and ill-defined conditions (p = 0.030)., Conclusions: In many aspects long-lived siblings end their lives similar to sporadic long-livers, with the important exception of lower dementia risk during the last 5 years of life. These results suggest that long-lived siblings are excellent candidates for identifying environmental and genetic protective factors of dementia.
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- 2024
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25. The Protective Effect of Familial Longevity Persists After Age 100: Findings From the Danish National Registers.
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Galvin A, Pedersen JK, Wojczynski MK, Ukraintseva S, Arbeev K, Feitosa M, Province MA, and Christensen K
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- Aged, 80 and over, Female, Humans, Male, Centenarians, Denmark epidemiology, Parents, Registries, Longevity genetics, Siblings
- Abstract
Background: A recent study suggested that the protective effect of familial longevity becomes negligible for centenarians. However, the authors assessed the dependence on familial longevity in centenarians by comparing centenarians with 1 parent surviving to age 80+ to centenarians whose same-sexed parent did not survive to age 80. Here we test whether the protective effect of familial longevity persists after age 100 using more restrictive definitions of long-lived families., Methods: Long-lived sibships were identified through 3 nationwide, consecutive studies in Denmark, including families with either at least 2 siblings aged 90+ or a Family Longevity Selection Score (FLoSS) above 7. Long-lived siblings enrolled in these studies and who reached age 100 were included. For each sibling, 5 controls matched on sex and year of birth were randomly selected among centenarians in the Danish population. Survival time from age 100 was described with Kaplan-Meier curves for siblings and controls separately. Survival analyses were performed using stratified Cox proportional hazards models., Results: A total of 340 individuals from long-lived sibships who survived to age 100 and 1 700 controls were included. Among the long-lived siblings and controls, 1 650 (81%) were women. The results showed that long-lived siblings presented better overall survival after age 100 than sporadic long-livers (hazard ratio [HR] = 0.80, 95% confidence interval [CI] = 0.71-0.91), with even lower estimate (HR = 0.65, 95% CI = 0.50-0.85) if familial longevity was defined by FLoSS., Conclusions: The present study, with virtually no loss to follow-up, demonstrated a persistence of protective effect of familial longevity after age 100., (© The Author(s) 2023. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
- Published
- 2024
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26. Small Intestinal Permeability and Metabolomic Profiles in Feces and Plasma Associate With Clinical Response in Patients With Active Psoriatic Arthritis Participating in a Fecal Microbiota Transplantation Trial: Exploratory Findings From the FLORA Trial.
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Kragsnaes MS, Miguens Blanco J, Mullish BH, Serrano-Contreras JI, Kjeldsen J, Horn HC, Pedersen JK, Munk HL, Nilsson AC, Salam A, Lewis MR, Chekmeneva E, Kristiansen K, Marchesi JR, and Ellingsen T
- Abstract
Objective: We investigated intestinal permeability and fecal, plasma, and urine metabolomic profiles in methotrexate-treated active psoriatic arthritis (PsA) and how this related to clinical response following one sham or fecal microbiota transplantation (FMT)., Methods: This exploratory study is based on the FLORA trial cohort, in which 31 patients with moderate-to-high peripheral PsA disease activity, despite at least 3 months of methotrexate-treatment, were included in a 26-week, double-blind, 1:1 randomized, sham-controlled trial. Participants were randomly allocated to receive either one healthy donor FMT (n = 15) or sham (n = 16) via gastroscopy. The primary trial end point was the proportion of treatment failures through 26 weeks. We performed a lactulose-to-mannitol ratio (LMR) test at baseline (n = 31) and at week 26 (n = 26) to assess small intestinal permeability. Metabolomic profiles in fecal, plasma, and urine samples collected at baseline, weeks 4, 12, and 26 were measured using
1 H Nuclear Magnetic Resonance., Results: Trial failures (n = 7) had significantly higher LMR compared with responders (n = 19) at week 26 (0.027 [0.017-0.33]) vs. 0.012 [0-0.064], P = 0.013), indicating increased intestinal permeability. Multivariate analysis revealed a significant model for responders (n = 19) versus failures (n = 12) at all time points based on their fecal (P < 0.0001) and plasma (P = 0.005) metabolomic profiles, whereas urine metabolomic profiles did not differ between groups (P = 1). Fecal N-acetyl glycoprotein GlycA correlated with Health Assessment Questionnaire Disability Index (coefficient = 0.50; P = 0.03) and fecal propionate correlated with American College of Rheumatology 20 response at week 26 (coefficient = 27, P = 0.02)., Conclusion: Intestinal permeability and fecal and plasma metabolomic profiles of patients with PsA were associated with the primary clinical trial end point, failure versus responder., (© 2023 The Authors. ACR Open Rheumatology published by Wiley Periodicals LLC on behalf of American College of Rheumatology.)- Published
- 2023
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27. A Flexible Theory for Catalysis: Learning Alkaline Oxygen Reduction on Complex Solid Solutions within the Ag-Pd-Pt-Ru Composition Space.
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Clausen CM, Krysiak OA, Banko L, Pedersen JK, Schuhmann W, Ludwig A, and Rossmeisl J
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Compositionally complex materials such as high-entropy alloys and oxides have the potential to be efficient platforms for catalyst discovery because of the vast chemical space spanned by these novel materials. Identifying the composition of the most active catalyst materials, however, requires unraveling the descriptor-activity relationship, as experimentally screening the multitude of possible element ratios quickly becomes a daunting task. In this work, we show that inferred adsorption energy distributions of *OH and *O on complex solid solution surfaces within the space spanned by the system Ag-Pd-Pt-Ru are coupled to the experimentally observed electrocatalytic performance for the oxygen reduction reaction. In total, the catalytic activity of 1582 alloy compositions is predicted with a cross-validated mean absolute error of 0.042 mA/cm
2 by applying a theory-derived model with only two adjustable parameters. Trends in the discrepancies between predicted electrochemical performance values of the model and the measured values on thin film surfaces subsequently provide insight into the alloys' surface compositions during reaction conditions. Bridging this gap between computationally modeled and experimentally observed catalytic activities, not only reveals insight into the underlying theory of catalysis but also takes a step closer to realizing exploration and exploitation of high-entropy materials., (© 2023 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.)- Published
- 2023
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28. Association of Trauma With Long-Term Risk of Death and Immune-Mediated or Cancer Disease in Same-Sex Twins.
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Eskesen TO, Sillesen M, Pedersen JK, Pedersen DA, Christensen K, Rasmussen LS, and Steinmetz J
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- Humans, Adult, Middle Aged, Cohort Studies, Proportional Hazards Models, Twins, Monozygotic, Neoplasms
- Abstract
Importance: Immediate consequences of trauma include a rapid and immense activation of the immune system, whereas long-term outcomes include premature death, physical disability, and reduced workability., Objective: To investigate if moderate to severe trauma is associated with long-term increased risk of death or immune-mediated or cancer disease., Design, Setting, and Participants: This registry-based, matched, co-twin control cohort study linked the Danish Twin Registry and the Danish National Patient Registry to identify twin pairs in which 1 twin had been exposed to severe trauma and the other twin had not from 1994 to 2018. The co-twin control design allowed for matching on genetic and environmental factors shared within twin pairs., Exposure: Twin pairs were included if 1 twin had been exposed to moderate to severe trauma and the other twin had not (ie, co-twin). Only twin pairs where both twins were alive 6 months after the trauma event were included., Main Outcome and Measure: Twin pairs were followed up from 6 months after trauma until 1 twin experienced the primary composite outcome of death or 1 of 24 predefined immune-mediated or cancer diseases or end of follow-up. Cox proportional hazards regression was used for intrapair analyses of the association between trauma and the primary outcome., Results: A total of 3776 twin pairs were included, and 2290 (61%) were disease free prior to outcome analysis and were eligible for the analysis of the primary outcome. The median (IQR) age was 36.4 (25.7-50.2) years. The median (IQR) follow-up time was 8.6 (3.8-14.5) years. Overall, 1268 twin pairs (55%) reached the primary outcome; the twin exposed to trauma was first to experience the outcome in 724 pairs (32%), whereas the co-twin was first in 544 pairs (24%). The hazard ratio for reaching the composite outcome was 1.33 (95% CI, 1.19-1.49) for twins exposed to trauma. Analyses of death or immune-mediated or cancer disease as separate outcomes provided hazard ratios of 1.91 (95% CI, 1.68-2.18) and 1.28 (95% CI, 1.14-1.44), respectively., Conclusion and Relevance: In this study, twins exposed to moderate to severe trauma had significantly increased risk of death or immune-mediated or cancer disease several years after trauma compared with their co-twins.
- Published
- 2023
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29. Response to: 'Correspondence on 'Safety and efficacy of faecal microbiota transplantation for active peripheral psoriatic arthritis: an exploratory randomised placebo-controlled trial'' by McGonagle et al .
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Kragsnaes MS, Kjeldsen J, Horn HC, Munk HL, Pedersen JK, Just SA, Ahlquist P, Davidsen JR, Nilsson AC, Röttger R, Kruhøffer M, Marchesi JR, Kristiansen K, Christensen R, and Ellingsen T
- Abstract
Competing Interests: Competing interests: JRM has received a paid consultancy from Enterobiotix Ltd.
- Published
- 2023
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30. Physical Function and Association with Cognitive Function in Patients in a Post-COVID-19 Clinic-A Cross-Sectional Study.
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Gunnarsson DV, Miskowiak KW, Pedersen JK, Hansen H, Podlekareva D, Johnsen S, and Dall CH
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- Humans, Female, Middle Aged, Male, Cross-Sectional Studies, Hand Strength physiology, Cognition physiology, COVID-19 epidemiology, Cognitive Dysfunction psychology
- Abstract
Patients with long-term health sequelae of COVID-19 (post-COVID-19 condition) experience both physical and cognitive manifestations. However, there is still uncertainty about the prevalence of physical impairment in these patients and whether there is a link between physical and cognitive function. The aim was to assess the prevalence of physical impairment and investigate the association with cognition in patients assessed in a post-COVID-19 clinic. In this cross-sectional study, patients referred to an outpatient clinic ≥ 3 months after acute infection underwent screening of their physical and cognitive function as part of a comprehensive multidisciplinary assessment. Physical function was assessed with the 6-Minute Walk Test, the 30 s Sit-to-Stand Test and by measuring handgrip strength. Cognitive function was assessed with the Screen for Cognitive Impairment in Psychiatry and the Trail Making Test-Part B. Physical impairment was tested by comparing the patients' performance to normative and expected values. Association with cognition was investigated using correlation analyses and the possible explanatory variables regarding physical function were assessed using regression analyses. In total, we included 292 patients, the mean age was 52 (±15) years, 56% were women and 50% had been hospitalised during an acute COVID-19 infection. The prevalence of physical impairment ranged from 23% in functional exercise capacity to 59% in lower extremity muscle strength and function. There was no greater risk of physical impairment in previously hospitalised compared with the non-hospitalised patients. There was a weak to moderate association between physical and cognitive function. The cognitive test scores had statistically significant prediction value for all three outcomes of physical function. In conclusion, physical impairments were prevalent amongst patients assessed for post-COVID-19 condition regardless of their hospitalisation status and these were associated with more cognitive dysfunction.
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- 2023
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31. Cognitive impairments among patients in a long-COVID clinic: Prevalence, pattern and relation to illness severity, work function and quality of life.
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Miskowiak KW, Pedersen JK, Gunnarsson DV, Roikjer TK, Podlekareva D, Hansen H, Dall CH, and Johnsen S
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- Humans, Female, Quality of Life, Post-Acute COVID-19 Syndrome, Prevalence, Cross-Sectional Studies, Cognition, Patient Acuity, Neuropsychological Tests, Cognition Disorders psychology, COVID-19 epidemiology, Cognitive Dysfunction etiology, Cognitive Dysfunction complications
- Abstract
Background: A considerable proportion of people experience lingering symptoms after Coronavirus Disease 2019 (COVID-19). The aim of this study was to investigate the frequency, pattern and functional implications of cognitive impairments in patients at a long-COVID clinic who were referred after hospitalisation with COVID-19 or by their general practitioner., Methods: Patients underwent cognitive screening and completed questionnaires regarding subjective cognition, work function and quality of life. Patients' cognitive performance was compared with that of 150 age-, sex-, and education-matched healthy controls (HC) and with their individually expected performance calculated based on their age, sex and education., Results: In total, 194 patients were assessed, on average 7 months (standard deviation: 4) after acute COVID-19.44-53 % of the patients displayed clinically relevant cognitive impairments compared to HC and to their expected performance, respectively. Moderate to large impairments were seen in global cognition and in working memory and executive function, while mild to moderate impairments occurred in verbal fluency, verbal learning and memory. Hospitalised (n = 91) and non-hospitalised (n = 103) patients showed similar degree of cognitive impairments in analyses adjusted for age and time since illness. Patients in the cognitively impaired group were older, more often hospitalised, had a higher BMI and more frequent asthma, and were more often female. More objective cognitive impairment was associated with more subjective cognitive difficulties, poorer work function and lower quality of life., Limitations: The study was cross-sectional, which precludes causality inferences., Conclusions: These findings underscore the need to assess and treat cognitive impairments in patients at long-COVID clinics., Competing Interests: Conflict of interest The authors report no conflicts of interest in relation to the current manuscript. Outside of the present work, KWM reports having received consultancy fees from Janssen-Cilag and Lundbeck; JKP, DVG, DP, HH, CHD and SJ report no conflicts of interest outside of the present work., (Copyright © 2022 The Author(s). Published by Elsevier B.V. All rights reserved.)
- Published
- 2023
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32. Chemical Insights into the Formation of Colloidal Iridium Nanoparticles from In Situ X-ray Total Scattering: Influence of Precursors and Cations on the Reaction Pathway.
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Mathiesen JK, Quinson J, Blaseio S, Kjær ETS, Dworzak A, Cooper SR, Pedersen JK, Wang B, Bizzotto F, Schröder J, Kinnibrugh TL, Simonsen SB, Theil Kuhn L, Kirkensgaard JJK, Rossmeisl J, Oezaslan M, Arenz M, and Jensen KMØ
- Abstract
Iridium nanoparticles are important catalysts for several chemical and energy conversion reactions. Studies of iridium nanoparticles have also been a key for the development of kinetic models of nanomaterial formation. However, compared to other metals such as gold or platinum, knowledge on the nature of prenucleation species and structural insights into the resultant nanoparticles are missing, especially for nanoparticles obtained from Ir
x Cly precursors investigated here. We use in situ X-ray total scattering (TS) experiments with pair distribution function (PDF) analysis to study a simple, surfactant-free synthesis of colloidal iridium nanoparticles. The reaction is performed in methanol at 50 °C with only a base and an iridium salt as precursor. From different precursor salts─IrCl3 , IrCl4 , H2 IrCl6 , or Na2 IrCl6 ─colloidal nanoparticles as small as Ir∼55 are obtained as the final product. The nanoparticles do not show the bulk iridium face-centered cubic ( fcc ) structure but show decahedral and icosahedral structures. The formation route is highly dependent on the precursor salt used. Using IrCl3 or IrCl4 , metallic iridium nanoparticles form rapidly from Irx Cly n - complexes, whereas using H2 IrCl6 or Na2 IrCl6 , the iridium nanoparticle formation follows a sudden growth after an induction period and the brief appearance of a crystalline phase. With H2 IrCl6 , the formation of different Irn ( n = 55, 55, 85, and 116) nanoparticles depends on the nature of the cation in the base (LiOH, NaOH, KOH, or CsOH, respectively) and larger particles are obtained with larger cations. As the particles grow, the nanoparticle structure changes from partly icosahedral to decahedral. The results show that the synthesis of iridium nanoparticles from Irx Cly is a valuable iridium nanoparticle model system, which can provide new compositional and structural insights into iridium nanoparticle formation and growth.- Published
- 2023
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33. Nationwide, large-scale implementation of an online system for remote entry of patient-reported outcomes in rheumatology: characteristics of users and non-users and time to first entry.
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Glintborg B, Jensen DV, Terslev L, Hendricks O, Østergaard M, Horskjær Rasmussen S, Jensen MP, Adelsten T, Colic A, Danebod K, Kildemand M, Loft AG, Munk HL, Pedersen JK, Østgård RD, Møller Sørensen C, Krogh NS, Agerbo J, Ziegler C, and Hetland ML
- Subjects
- Adult, Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Online Systems, Patient Reported Outcome Measures, Time Factors, Rheumatology
- Abstract
Aims: In May 2020, a nationwide, web-based system for remote entry of patient-reported outcomes (PROs) in inflammatory rheumatic diseases was launched and implemented in routine care (DANBIO-from-home). After 1.5 years of use, we explored clinical characteristics of patients who did versus did not use the system, and the time to first entry of PROs., Methods: All patients followed in DANBIO were informed about DANBIO-from-home by electronic invitations or when attending their clinic. Characteristics of patients who did/did not use DANBIO-from-home in the period after implementation were explored by multivariable logistic regression analyses including demographic and clinical variables (gender, age group, diagnosis, disease duration, use of biological disease-modifying agent (bDMARD), Health Assessment Questionnaire (HAQ), Patient Acceptable Symptom Scale (PASS)). Time from launch to first entry was presented as cumulative incidence curves by age group (<40/40-60/61-80/>80 years)., Results: Of 33 776 patients, 68% entered PROs using DANBIO-from-home at least once. Median (IQR) time to first entry was 27 (11-152) days. Factors associated with data entry in multivariate analyses (OR (95% CI)) were: female gender (1.19 (1.12 to 1.27)), bDMARD treatment (1.41 (1.33 to 1.50)), age 40-60 years (1.79 (1.63 to 1.97)), 61-80 years (1.87 (1.70 to 2.07), or age >80 years (0.57 (0.50 to 0.65)) (reference: age <40 years), lower HAQ (0.68 (0.65 to 0.71)) and PASS 'no' (1.09 (1.02 to 1.17). Diagnosis was not associated. Time to first entry of PROs was longest in patients <40 years of age (119 (24-184) days) and shortest in the 61-80 years age group (25 (8-139) days)., Conclusion: A nationwide online platform for PRO in rheumatology achieved widespread use. Higher age, male gender, conventional treatment and disability were associated with no use., Competing Interests: Competing interests: BG—research grants: AbbVie, BMS, Pfizer and Sandoz. BG chairs the steering committee of the Danish Rheumatology Registry (DANBIO), which receives public funding from the hospital owners and funding from pharmaceutical companies. OH—research grants: AbbVie, Novartis and Pfizer. LT—speaker fees: from Roche, Novartis, Pfizer, UCB, Janssen and Eli Lilly. MO—research grants: AbbVie, BMS, Celgene, Merck, Novartis; consultancy and/or speaker fees: AbbVie, BMS, Boehringer-Ingelheim, Celgene, Eli Lilly, Galapagos, Gilead, Hospira, Janssen, Merck, Novartis, Novo, Orion, Pfizer, Regeneron, Roche, Sandoz, Sanofi and UCB. MPJ—speaker fees: AbbVie and Pfizer. RDO—research grants: AbbVie; consultancy and/or speaker fees: AbbVie, BMS, Boehringer-Ingelheim, Eli Lilly, Janssen, Merck, Novartis, Pfizer, Roche, Sanofi and UCB. AGL—research grant: Novartis; consultancy and/or speaker fees: AbbVie, Eli Lilly, Janssen, MSD, Novartis, Pfizer and UCB. MLH—AbbVie, Biogen, BMS, Celtrion, Eli Lilly Denmark, Janssen Biologics, Lundbeck Fonden, MSD, Pfizer, Roche, Samsung Biopis and Sandoz. MLH co-chairs EuroSpA, which generates real-world evidence of treatment of psoriatic arthritis and axial spondyloarthritis based on secondary data and is partly funded by Novartis. The remaining authors have nothing to declare., (© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
- Published
- 2022
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34. Infliximab biosimilar-to-biosimilar switching in patients with inflammatory rheumatic disease: clinical outcomes in real-world patients from the DANBIO registry.
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Nabi H, Hendricks O, Jensen DV, Loft AG, Pedersen JK, Just SA, Danebod K, Munk HL, Kristensen S, Manilo N, Colic A, Linauskas A, Thygesen PH, Christensen LB, Kalisz MH, Lomborg N, Chrysidis S, Raun JL, Andersen M, Mehnert F, Krogh NS, Hetland ML, and Glintborg B
- Subjects
- Humans, Infliximab therapeutic use, Treatment Outcome, Registries, Biosimilar Pharmaceuticals therapeutic use, Arthritis, Psoriatic diagnosis, Arthritis, Psoriatic drug therapy, Arthritis, Rheumatoid diagnosis, Arthritis, Rheumatoid drug therapy, Arthritis, Rheumatoid epidemiology
- Abstract
Objective: Successful uptake of biosimilars in rheumatology is limited by lack of real-world evidence regarding effectiveness of biosimilar-to-biosimilar switching. We investigated infliximab biosimilars CT-P13-to-GP1111 switching among patients with rheumatoid arthritis (RA), psoriatic arthritis (PsA) and axial spondyloarthritis (AxSpA)., Methods: Observational cohort study from the DANBIO registry. Patients were classified as originator-naïve or originator-experienced. Retention rates of 1-year GP1111 treatment were explored (Kaplan-Meier). We identified baseline factors (at the time of switch) associated with withdrawal of GP1111 (multivariable Cox-regression analyses with HRs including originator treatment history). Changes in subjective and objective measures of disease activity 4 months before and after the switch were assessed in individual patients., Results: Of 1605 patients (685 RA, 314 PsA and 606 AxSpA, median disease duration was 9 years, 37% in Clinical Disease Activity Index/Ankylosing Spondylitis Disease Activity Score remission), 1171 were originator-naïve. Retention rates at 1-year were 83% (95% CI: 81% to 85%) and 92% (95% CI: 90% to 95%) for the originator-naïve and originator-experienced, respectively. GP1111 retention rates were higher in originator-experienced compared to originator-naïve with RA (HR=0.4 (95% CI: 0.2 to 0.7)) and PsA (HR=0.2 (95% CI: 0.1 to 0.8)), but not significantly for AxSpA: HR=0.6 (95% CI: 0.3 to 1.2). Lower disease activity was associated with higher retention. Changes in disease activity preswitch and postswitch were close to zero., Conclusion: This real-world observational study of more than 1600 patients with inflammatory arthritis showed high 1-year retention following a nationwide infliximab biosimilar-to-biosimilar switch. Retention was higher in originator-experienced and in patients with low disease activity, suggesting outcomes to be affected by patient-related rather than drug-related factors., Competing Interests: Competing interests: HN: Research grant from AbbVie and Sandoz. AGL: AbbVie, Eli Lilly Denmark A/S, Janssen-Cilag A/S, MSD, Novartis, Pfizer, UCB teaching or consultancy fees. OH: AbbVie, Pfizer, Novartis. MLH: AbbVie, Biogen, BMS, Celtrion, Eli Lilly Denmark A/S, Janssen Biologics B.V, Lundbeck Fonden, MSD, Pfizer, Roche, Samsung Bioepis, Sandoz. Furthermore, chair of the steering committee of the Danish Rheumatology Quality Registry (DANBIO), which receives public funding from the hospital owners and funding from pharmaceutical companies. Co-chair EuroSpA, which generates real-world evidence of treatment of psoriatic arthritis and axial spondyloarthritis based on secondary data and is partly funded by Novartis. BG: BMS, Pfizer, Sandoz (research grants)., (© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2022
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35. Conversion of the MDHAQ to the HAQ score: a simple algorithm developed and validated in a cohort of 13 391 real-world patients.
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Ørnbjerg LM, Svensson E, Løngaard K, Meincke RH, Pedersen JK, Dreyer L, Krogh NS, Jensen DV, and Hetland ML
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- Humans, Algorithms, Disability Evaluation, Severity of Illness Index, Surveys and Questionnaires, Arthritis, Psoriatic diagnosis, Arthritis, Psoriatic drug therapy
- Abstract
Objectives: To develop and validate in real-world patients a conversion algorithm from the Multidimensionel Health Assessment Questionnaire physical function scale (MDHAQ) to the Stanford Health Assessment Questionnaire disability index physical function scale (HAQ) score., Methods: From the DANBIO registry, 13 391 patients with RA (n = 8983), PsA (n = 2649) and axial spondyloarthritis (axSpA, n = 1759) with longitudinal data on HAQ and MDHAQ were included, stratified by diagnosis, and randomized 1:1 into development and validation cohorts. Conversion algorithms were developed by linear regression and applied in validation cohorts. From MDHAQ, the HAQ was calculated (cHAQ) and validated against the observed HAQ for criterion, correlational and construct validity., Results: For RA, we developed the conversion algorithm cHAQ = 0.15+MDHAQ*1.08, and validated it in the RA validation cohort. Criterion validity: HAQ and cHAQ had comparable discriminative power to distinguish between high and low patient global scores (standardized mean difference: HAQ:-1.29, cHAQ:-1.35). Kappa value between HAQ and cHAQ functional states indicated good agreement (0.83). Correlational validity: baseline HAQ and cHAQ, respectively, correlated well with patient global scores (r = 0.65/0.67). Bland-Altman plots showed good agreement across all functional states. Construct validity: HAQ and cHAQ discriminated equally well between patients reporting symptom state as acceptable vs not, and across responses to an external anchor. Aiming for a common algorithm, the RA conversion algorithm was validated for PsA and axSpA with similar results., Conclusion: This study suggests that in observational datasets with only the MDHAQ available, a simple algorithm allows valid conversion to HAQ on the group level in RA, PsA and axSpA., (© The Author(s) 2022. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
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- 2022
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36. Long-term Behavioral Changes During the COVID-19 Pandemic and Impact of Vaccination in Patients With Inflammatory Rheumatic Diseases.
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Glintborg B, Jensen DV, Terslev L, Hendricks O, Østergaard M, Rasmussen SH, Jensen MP, Adelsten T, Colic A, Danebod K, Kildemand M, Loft AG, Munk HL, Pedersen JK, Østgård RD, Sørensen CM, Krogh NS, Agerbo JN, Ziegler C, and Hetland ML
- Subjects
- Humans, Female, Male, Pandemics prevention & control, COVID-19 Vaccines therapeutic use, SARS-CoV-2, Quality of Life, Communicable Disease Control, Vaccination, COVID-19 prevention & control, Influenza, Human epidemiology, Influenza, Human prevention & control, Arthritis, Rheumatoid, Biological Products, Rheumatic Diseases
- Abstract
Objective: To explore anxiety and self-isolation in patients with inflammatory rheumatic disease (IRD)15 months into the coronavirus disease 2019 (COVID-19) pandemic, including attitudes toward and effects of SARS-CoV-2 vaccination., Methods: A nationwide online survey was conducted at 3 timepoints: May 2020, November 2020, and May 2021. Patients with IRD followed in the Danish Rheumatology Quality Registry (DANBIO) were asked about the effects of the pandemic, including SARS-CoV-2 infection and their behavior, anxiety, and concerns. The May 2021 survey included attitudes toward SARS-CoV-2 and influenza vaccination. Characteristics associated with self-isolation in May 2021 were explored with adjusted logistic regression analyses that included patient characteristics and SARS-CoV-2 vaccination status., Results: Respondents to surveys 1, 2, and 3 included 12,789; 14,755; and 13,921 patients, respectively; 64% had rheumatoid arthritis and 63% were female. Anxiety and concerns were highest in May 2020 and decreased to stable levels in November 2020 and May 2021; 86%, 50%, and 52% of respondents reported self-isolation, respectively. In May 2021, 4% of respondents self-reported previous SARS-CoV-2 infection. The SARS-CoV-2 vaccine acceptance rate was 86%, and the proportion of patients vaccinated against influenza had increased from 50% in winter 2019-2020 to 64% in winter 2020-2021. The proportion of patients with anxiety appeared similar among those vaccinated and unvaccinated against SARS-CoV-2. In multivariable analyses, being unvaccinated, female gender, receiving biologic drugs, and poor quality of life were independently associated with self-isolation., Conclusion: Levels of anxiety and self-isolation decreased after the initial lockdown period in patients with IRD. Half of the patients reported self-isolation in May 2021, a phase that included widespread reopening of society and large-scale vaccination. The lack of prepandemic data prevented a full understanding of the long-term effects of the pandemic on anxiety and self-isolation in patients with IRD., (Copyright © 2022 by the Journal of Rheumatology.)
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- 2022
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37. Non-Invasive Metabolic and Structural Retinal Markers in Patients with Giant Cell Arteritis and Polymyalgia Rheumatica: A Cross-Sectional Study.
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Lowater SJ, Ellingsen TJ, Pedersen JK, Wied J, Grauslund J, and Byg KE
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Giant cell arteritis (GCA) is a potential sight-threatening disease. Although it is associated with polymyalgia rheumatica (PMR), visual loss is not common in PMR. A retinal oximeter can be used to conduct a direct, non-invasive, in vivo assessment of the vascular system. In a cross-sectional study, we measured the retinal oxygen saturation and retinal vessel calibers in GCA patients, PMR patients, and control participants. Twenty GCA patients (38 eyes), 19 PMR patients (33 eyes), and 12 controls (20 eyes) were investigated. Images were analyzed using Oxymap Analyzer software 2.5.0 (Oxymap ehf., Reykjavik, Iceland). Groups were compared using an age- and sex-adjusted linear mixed model regression. The median (IQR) age for GCA patients was 69.0 (66.5-76.5) years, for PMR 69.0 (67.0-72.0) years, and for the controls 75.5 (71.5-81.0) years, respectively. As compared to the controls (115.3 µm), the retinal arterioles were significantly wider in patients with GCA (124.4 µm; p = 0.023) and PMR (124.8 µm; p = 0.049). No difference was found in the retinal venular caliber or vascular oxygen saturation. These results indicate that GCA and PMR patients differ similarly in the retinal arteriolar diameter compared to controls. Further studies are needed in order to clarify the underlying inflammatory mechanisms in retinal arteriolar vessels and if these parameters can be used to predict clinical outcomes.
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- 2022
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38. Breaking with the Principles of Coreduction to Form Stoichiometric Intermetallic PdCu Nanoparticles.
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Mathiesen JK, Bøjesen ED, Pedersen JK, Kjaer ETS, Juelsholt M, Cooper S, Quinson J, Anker AS, Cutts G, Keeble DS, Thomsen MS, Rossmeisl J, and Jensen KMØ
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- Alloys chemistry, Catalysis, Iron, Ferric Compounds, Nanoparticles chemistry
- Abstract
Intermetallic nanoparticles (NPs) have shown enhanced catalytic properties as compared to their disordered alloy counterparts. To advance their use in green energy, it is crucial to understand what controls the formation of intermetallic NPs over alloy structures. By carefully selecting the additives used in NP synthesis, it is here shown that monodisperse, intermetallic PdCu NPs can be synthesized in a controllable manner. Introducing the additives iron(III) chloride and ascorbic acid, both morphological and structural control can be achieved. Combined, these additives provide a synergetic effect resulting in precursor reduction and defect-free growth; ultimately leading to monodisperse, single-crystalline, intermetallic PdCu NPs. Using in situ X-ray total scattering, a hitherto unknown transformation pathway is reported that diverges from the commonly reported coreduction disorder-order transformation. A Cu-rich structure initially forms, which upon the incorporation of Pd(0) and atomic ordering forms intermetallic PdCu NPs. These findings underpin that formation of stoichiometric intermetallic NPs is not limited by standard reduction potential matching and coreduction mechanisms, but is instead driven by changes in the local chemistry. Ultimately, using the local chemistry as a handle to tune the NP structure might open new opportunities to expand the library of intermetallic NPs by exploiting synthesis by design., (© 2022 The Authors. Small Methods published by Wiley-VCH GmbH.)
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- 2022
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39. Bayesian Optimization of High-Entropy Alloy Compositions for Electrocatalytic Oxygen Reduction*.
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Pedersen JK, Clausen CM, Krysiak OA, Xiao B, Batchelor TAA, Löffler T, Mints VA, Banko L, Arenz M, Savan A, Schuhmann W, Ludwig A, and Rossmeisl J
- Abstract
Active, selective and stable catalysts are imperative for sustainable energy conversion, and engineering materials with such properties are highly desired. High-entropy alloys (HEAs) offer a vast compositional space for tuning such properties. Too vast, however, to traverse without the proper tools. Here, we report the use of Bayesian optimization on a model based on density functional theory (DFT) to predict the most active compositions for the electrochemical oxygen reduction reaction (ORR) with the least possible number of sampled compositions for the two HEAs Ag-Ir-Pd-Pt-Ru and Ir-Pd-Pt-Rh-Ru. The discovered optima are then scrutinized with DFT and subjected to experimental validation where optimal catalytic activities are verified for Ag-Pd, Ir-Pt, and Pd-Ru binary alloys. This study offers insight into the number of experiments needed for optimizing the vast compositional space of multimetallic alloys which has been determined to be on the order of 50 for ORR on these HEAs., (© 2021 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.)
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- 2021
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40. Comparative effectiveness of two adalimumab biosimilars in 1318 real-world patients with inflammatory rheumatic disease mandated to switch from originator adalimumab: nationwide observational study emulating a randomised clinical trial.
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Nabi H, Georgiadis S, Loft AG, Hendricks O, Jensen DV, Andersen M, Chrysidis S, Colic A, Danebod K, Hussein MR, Kalisz MH, Kristensen S, Lomborg N, Manilo N, Munk HL, Pedersen JK, Raun JL, Mehnert F, Krogh NS, Hetland ML, and Glintborg B
- Subjects
- Adult, Aged, Arthritis, Psoriatic physiopathology, Arthritis, Rheumatoid physiopathology, Cohort Studies, Comparative Effectiveness Research, Denmark, Drug Substitution, Female, Humans, Logistic Models, Male, Medication Adherence, Middle Aged, Proportional Hazards Models, Registries, Spondylarthropathies drug therapy, Spondylarthropathies physiopathology, Treatment Outcome, Adalimumab therapeutic use, Antirheumatic Agents therapeutic use, Arthritis, Psoriatic drug therapy, Arthritis, Rheumatoid drug therapy, Biosimilar Pharmaceuticals therapeutic use
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Objectives: In 2018, a nationwide mandatory switch from originator to biosimilar adalimumab was conducted in Denmark. The available biosimilar was GP2017 (Hyrimoz) in Eastern regions and SB5 (Imraldi) in Western regions. We aimed to assess the comparative effectiveness of GP2017 versus SB5 in patients with rheumatoid arthritis (RA)/psoriatic arthritis (PsA)/axial spondyloarthritis (AxSpA)., Methods: Observational cohort study based on the DANBIO registry with geographical cluster pseudo-randomisation, analysed by emulating a randomised clinical trial. Main outcome was adjusted 1-year treatment retention (Cox regression). Furthermore, 6 months' remission rates (logistic regression), reasons for withdrawal and back-switching to originator were investigated (overall and stratified by indication)., Results: Overall, of 1570 eligible patients, 1318 switched and were included (467 RA/321 PsA/530 AxSpA); 623 (47%) switched to GP2017, 695 (53%) to SB5. Baseline characteristics of the two clusters were largely similar, but some differences in registration practice were observed. The combined 1-year retention rate for the two biosimilars was 89.5%. Compared with SB5, estimated risk of withdrawal for GP2017 was lower (HR 0.60; 95% CI 0.42 to 0.86) and 6 months' remission rate was higher (OR 1.72; 95% CI 1.25 to 2.37). Stratified analyses gave similar results (statistically significant for RA). During 1 year, 8.5% and 12.9% withdrew GP2017 and SB5, respectively (primarily lack of effect and adverse events), of whom 48 patients (3.6%) back-switched., Conclusion: This head-to-head comparison of GP2017 versus SB5 following a mandatory switch from the originator indicated differences in effectiveness in routine care. This may reflect a true difference, but other explanations, for example, differences in excipients, differences between clusters and residual confounding cannot be ruled out., Competing Interests: Competing interests: AGL: AbbVie, Eli Lilly Denmark A/S, Janssen-Cilag A/S, MSD, Novartis, Pfizer, UCB teaching or consultancy fees. OH: AbbVie, Pfizer, Novartis. MLH: AbbVie, Biogen, BMS, Celtrion, Eli Lilly Denmark A/S, Janssen Biologics BV, Lundbeck Fonden, MSD, Pfizer, Roche, Samsung Bioepis, Sandoz. Furthermore, chair of the steering committee of the Danish Rheumatology Quality Registry (DANBIO), which receives public funding from the hospital owners and funding from pharmaceutical companies. Co-chair EuroSpA, which generates real-world evidence of treatment of psoriatic arthritis and axial spondyloarthritis based on secondary data and is partly funded by Novartis. BG: BMS, Pfizer, Sandoz (research grants)., (© Author(s) (or their employer(s)) 2021. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2021
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41. Impact of the COVID-19 pandemic on treat-to-target strategies and physical consultations in >7000 patients with inflammatory arthritis.
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Glintborg B, Jensen DV, Terslev L, Pfeiffer Jensen M, Hendricks O, Østergaard M, Engel S, Horskjær Rasmussen S, Adelsten T, Colic A, Danebod K, Kildemand M, Loft AG, Munk HL, Pedersen JK, Østgård RD, Møller Sørensen C, Krogh NS, Nørgaard Agerbo J, Ziegler C, and Hetland ML
- Subjects
- Adult, Aged, Denmark, Female, Health Services Accessibility statistics & numerical data, Humans, Male, Middle Aged, Patient Acceptance of Health Care statistics & numerical data, Patient Reported Outcome Measures, Prospective Studies, Registries, Remission Induction, SARS-CoV-2, Severity of Illness Index, Treatment Outcome, Arthritis, Psoriatic therapy, Arthritis, Rheumatoid therapy, COVID-19, Referral and Consultation statistics & numerical data, Spondylarthritis therapy
- Abstract
Objectives: To explore the impact of the COVID-19 pandemic on treat-to-target strategies (disease activity, remission rates) and access to physical consultations in patients with inflammatory rheumatic disease, as well as to explore characteristics of patients with/without physical consultations in the clinic and the impact of early vs established disease., Methods: Patients with RA, PsA or axial SpA (axSpA) prospectively followed in the nationwide DANBIO registry answered online questionnaires and reported patient-reported outcomes (PROs) in June and November 2020. Patient characteristics, disease activity and physical consultations in the clinic before and during the pandemic were identified in DANBIO [all patients and subgroups with early disease (disease duration ≤2 years)]. In individual patients, changes in PROs before and during the pandemic were calculated. Characteristics of patients with/without physical consultations were described (age, gender, education level, comorbidities, disease duration, treatment)., Results: We included 7836 patients (22% of eligible patients), 12% of which had early disease. PROs were stable before and during the pandemic, with median changes approximating zero, as well as in patients with early disease. Remission rates were stable. The relative decrease in the number of patients with physical consultations was 21-72%, which was highest in axSpA. Characteristics of patients with/without physical consultations were similar. Self-reported satisfaction with treatment options and access was >70%; the preferred contact form was physical consultation (66%)., Conclusion: In this nationwide study performed during the first 8 months of the pandemic, patient satisfaction was high and the PROs and remission rates remained stable despite the remarkable reduction in physical consultations, as well as in patients with early disease. Characteristics of patients with/without physical consultations appeared similar., (© The Author(s) 2021. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
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- 2021
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42. Safety and efficacy of faecal microbiota transplantation for active peripheral psoriatic arthritis: an exploratory randomised placebo-controlled trial.
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Kragsnaes MS, Kjeldsen J, Horn HC, Munk HL, Pedersen JK, Just SA, Ahlquist P, Pedersen FM, de Wit M, Möller S, Andersen V, Kristiansen K, Kinggaard Holm D, Holt HM, Christensen R, and Ellingsen T
- Subjects
- Adult, Antirheumatic Agents therapeutic use, Arthritis, Psoriatic microbiology, Female, Humans, Male, Methotrexate therapeutic use, Middle Aged, Proof of Concept Study, Treatment Outcome, Arthritis, Psoriatic therapy, Dysbiosis therapy, Fecal Microbiota Transplantation methods
- Abstract
Objectives: Although causality remains to be established, targeting dysbiosis of the intestinal microbiota by faecal microbiota transplantation (FMT) has been proposed as a novel treatment for inflammatory diseases. In this exploratory, proof-of-concept study, we evaluated the safety and efficacy of FMT in psoriatic arthritis (PsA)., Methods: In this double-blind, parallel-group, placebo-controlled, superiority trial, we randomly allocated (1:1) adults with active peripheral PsA (≥3 swollen joints) despite ongoing treatment with methotrexate to one gastroscopic-guided FMT or sham transplantation into the duodenum. Safety was monitored throughout the trial. The primary efficacy endpoint was the proportion of participants experiencing treatment failure (ie, needing treatment intensification) through 26 weeks. Key secondary endpoints were change in Health Assessment Questionnaire Disability Index (HAQ-DI) and American College of Rheumatology (ACR20) response at week 26., Results: Of 97 screened, 31 (32%) underwent randomisation (15 allocated to FMT) and 30 (97%) completed the 26-week clinical evaluation. No serious adverse events were observed. Treatment failure occurred more frequently in the FMT group than in the sham group (9 (60%) vs 3 (19%); risk ratio, 3.20; 95% CI 1.06 to 9.62; p=0.018). Improvement in HAQ-DI differed between groups (0.07 vs 0.30) by 0.23 points (95% CI 0.02 to 0.44; p=0.031) in favour of sham. There was no difference in the proportion of ACR20 responders between groups (7 of 15 (47%) vs 8 of 16 (50%))., Conclusions: In this first preliminary, interventional randomised controlled trial of FMT in immune-mediated arthritis, we did not observe any serious adverse events. Overall, FMT appeared to be inferior to sham in treating active peripheral PsA., Trial Registration Number: NCT03058900., Competing Interests: Competing interests: VA declares personal fees from Merck (MSD) and personal fees from Janssen, outside the submitted work. RC declares a core grant to his institution (Parker Institute, Bispebjerg and Frederiksberg Hospital) from the Oak Foundation (OCAY-18-774-OFIL) and honorariums paid to his institution in relation to the following activities: lecture, research methods (Pfizer, DK; 2017); lecture, GRADE lecture (Celgene, DK; 2017); ad board lecture, CAM (Orkla Health, DK; 2017); project grant: 'GreenWhistle' (Mundipharma, 2019); lecture: diet in RMD (Novartis, DK; 2019); consultancy report, Network MA’s (Biogen, DK; 2017); ad board lecture, GRADE (Lilly, DK; 2017); consultancy report, GRADE (Celgene, 2018); and lecture, Network MA’s (LEO; 2020)., (© Author(s) (or their employer(s)) 2021. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2021
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43. Handheld transabdominal ultrasound, after limited training, may confirm first trimester viable intrauterine pregnancy: a prospective cohort study.
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Pedersen JK, Sira C, and Trovik J
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- Crown-Rump Length, Female, Humans, Pregnancy, Pregnancy Trimester, First, Prospective Studies, Ultrasonography, Ultrasonography, Prenatal
- Abstract
Objectives: Handheld point-of-care abdominal ultrasound (POCUS) may be used by primary care physicians while vaginal ultrasound is limited to use in specialist care. We aimed to compare abdominal handheld ultrasound to vaginal ultrasound in determining first trimester viable intrauterine pregnancy and estimate gestational length., Design: Prospective cohort study., Setting: Gynaecologic outpatient clinic; women referred from GPs during early pregnancy. Handheld ultrasound using VscanExtend
® was performed by fourth-year medical students with limited training. Transvaginal ultrasound using high-end devices was performed by ordinary hospital staff., Subjects: Women in the first trimester of pregnancy referred for termination of pregnancy or with symptoms of early pregnancy complications., Main Outcome Measures: Rate of confirming vital intrauterine pregnancy (visualizing foetal heart beats) and measurement of crown-rump length (CRL) using handheld abdominal versus vaginal ultrasound., Results: In all 100 women were included; 86 confirmed as viable intrauterine pregnancies and 14 pathological pregnancies (miscarriages/extrauterine pregnancies). Handheld abdominal ultrasound detected fetal heartbeats in 63/86 (73% sensitivity) of healthy pregnancies and confirmed lack of fetal heartbeats in all pathological pregnancies, total positive predictive value (PPV) 100% and total negative predictive value (NPV) 38%. From gestational week 7, handheld abdominal ultrasound confirmed vitality in 51/54 patients: PPV 100% and NPV 79%. CRL ( n = 62) was median 1 mm shorter (95% confidence interval 1-2 mm) measured by handheld abdominal versus vaginal ultrasound., Conclusion: Handheld ultrasound has an excellent prediction confirming viable intrauterine pregnancy from gestational week 7. Validation studies are needed to confirm whether the method is suitable in primary care assessing early pregnancy complications.KEY POINTSWhen early pregnancy vitality needs to be confirmed, women will traditionally be referred to secondary care for transvaginal comprehensive ultrasonography performed with high-end devices by imaging specialists.In this study personnel with limited former training (fourth-year medical students) performed transabdominal POCUS using a handheld device, investigating 100 first trimester pregnancies for confirmation of viability.Using handheld ultrasound viable pregnancy was confirmed from gestational week 7 with 79% positive and 100% negative predictive value.If handheld ultrasound used in primary care confirms vital intrauterine pregnancy, the need for specialist referral could be reduced.- Published
- 2021
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44. Digit ratio (2D:4D) is not related to cardiovascular diseases or their risk factors in menopausal women.
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Fischer Pedersen JK, Klimek M, Galbarczyk A, Nenko I, Sobocki J, Christensen DL, and Jasienska G
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- Adult, Cardiovascular Diseases etiology, Female, Humans, Middle Aged, Poland epidemiology, Risk Factors, Cardiovascular Diseases epidemiology, Fingers anatomy & histology, Menopause physiology
- Abstract
Objectives: Digit ratio (2D:4D) is widely used as a biomarker of prenatal hormonal environment linked to the growing number of adult health and disease-related characteristics. It has been suggested that 2D:4D is a good predictor of cardiovascular diseases (CVD) risk among men, but results in women are still inconclusive. Here we test the relationship between 2D:4D and the incidence of cardiovascular diseases (CVD), and their risk factors in Polish, rural women., Methods: The participants were 410 women age 50 and older. Structured questionnaire was used to gather personal and medical data, including the history of CVD diagnosed by a medical doctor. Anthropometric measurements of body height, weight, and finger lengths were performed. Right-hand and left-hand 2D:4D, mean 2D:4D, D
l-r , and BMI were calculated afterward. For a subgroup of participants (n = 329) fasting blood sample was collected (in order to assess the lipid profile and glucose levels) and blood pressure was measured. Age, education level and BMI were included as potential covariates., Results: No statistically significant association was observed between 2D:4D markers and the incidence of CVD (eg, heart attack, stroke) or CVD risk factors (dyslipidaemia, dysglycaemia or hypertension), when controlled for age, education and BMI., Conclusions: The results of our study add to the growing number of studies investigating the sex-difference of the association between 2D:4D and cardiac health. We conclude that from a public health perspective 2D:4D may not be a valuable biomarker of elevated risk of CVDs in women., (© 2020 Wiley Periodicals LLC.)- Published
- 2021
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45. Anxiety and concerns related to the work situation during the second wave of the COVID-19 pandemic in >5000 patients with inflammatory rheumatic disease followed in the DANBIO registry.
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Glintborg B, Jensen DV, Engel S, Terslev L, Pfeiffer Jensen M, Hendricks O, Østergaard M, Horskjær Rasmussen S, Adelsten T, Colic A, Danebod K, Kildemand M, Loft AG, Munk HL, Pedersen JK, Østgård RD, Møller Sørensen C, Krogh NS, Nørgaard Agerbo J, Ziegler C, and Lund Hetland M
- Subjects
- Adult, Aged, COVID-19 virology, Comorbidity, Female, Humans, Male, Middle Aged, Pandemics, Public Health Surveillance, Quality of Life, Registries, Young Adult, Anxiety epidemiology, COVID-19 complications, COVID-19 epidemiology, Occupational Stress epidemiology, Rheumatic Diseases complications, Rheumatic Diseases epidemiology, SARS-CoV-2
- Abstract
Competing Interests: Competing interests: BG: Research grants: AbbVie, BMS, Pfizer. OH: Research grants: AbbVie, Novartis, Pfizer. LT: Speakers fee: Speakers fee from AbbVie, Janssen, Roche, Novartis, Pfizer, MSD, BMS and GE. MO: Research grants: Abbvie, BMS, Celgene, Merck, Novartis; consultancy and/or speaker fees: Abbvie, BMS, Boehringer-Ingelheim, Celgene, Eli-Lilly, Hospira, Janssen, Merck, Novartis, Novo, Orion, Pfizer, Regeneron, Roche, Sandoz, Sanofi and UCB. RDO: Research grants: Abbvie; consultancy and/or speaker fees: Abbvie, BMS, Boehringer-Ingelheim, Eli-Lilly, Janssen, Merck, Novartis, Pfizer, Roche, Sanofi and UCB. AGL: Consultancy and/or speakers fees: AbbVie, Eli-Lilly, Janssen, MSD, Novartis, Pfizer and UCB. MLH: AbbVie, Biogen, BMS, Celtrion, Eli Lilly Denmark A/S, Janssen Biologics B.V, Lundbeck Fonden, MSD, Pfizer, Roche, Samsung Biopis, Sandoz. MLH chairs the steering committee of the Danish Rheumatology Quality Registry (DANBIO), which receives public funding from the hospital owners and funding from pharmaceutical companies. MLH co-chairs the EuroSpA research collaboration, which generates real-world evidence of treatment of psoriatic arthritis and axial spondylorthritis based on secondary data and is partly funded by Novartis.
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- 2021
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46. Complex-Solid-Solution Electrocatalyst Discovery by Computational Prediction and High-Throughput Experimentation*.
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Batchelor TAA, Löffler T, Xiao B, Krysiak OA, Strotkötter V, Pedersen JK, Clausen CM, Savan A, Li Y, Schuhmann W, Rossmeisl J, and Ludwig A
- Abstract
Complex solid solutions ("high entropy alloys"), comprising five or more principal elements, promise a paradigm change in electrocatalysis due to the availability of millions of different active sites with unique arrangements of multiple elements directly neighbouring a binding site. Thus, strong electronic and geometric effects are induced, which are known as effective tools to tune activity. With the example of the oxygen reduction reaction, we show that by utilising a data-driven discovery cycle, the multidimensionality challenge raised by this catalyst class can be mastered. Iteratively refined computational models predict activity trends around which continuous composition-spread thin-film libraries are synthesised. High-throughput characterisation datasets are then used as input for refinement of the model. The refined model correctly predicts activity maxima of the exemplary model system Ag-Ir-Pd-Pt-Ru. The method can identify optimal complex-solid-solution materials for electrocatalytic reactions in an unprecedented manner., (© 2021 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.)
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- 2021
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47. Experiences and perceptions of patients with psoriatic arthritis participating in a trial of faecal microbiota transplantation: a nested qualitative study.
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Kragsnaes MS, Sødergren ST, Kjeldsen J, Horn HC, Munk HL, Pedersen JK, Klinkby CS, de Wit M, Ahlmark NG, Tjørnhøj-Thomsen T, and Ellingsen T
- Subjects
- Double-Blind Method, Fecal Microbiota Transplantation, Humans, Perception, Antirheumatic Agents, Arthritis, Psoriatic therapy
- Abstract
Objectives: Patients' first-hand experiences of faecal microbiota transplantation (FMT) performed in a rheumatological care setting have yet to be elucidated. The objectives were to explore participants' perceptions of being part of an FMT trial thereby identifying potential trial participation effects and enlightening the patient perspective on the outlook for future FMT trials in rheumatic diseases., Design: In a qualitative study nested within a double-blind, randomised, placebo-controlled trial (RCT) testing FMT as a potential new antirheumatic treatment, semistructured telephone interviews were conducted following the trial participants' final 26-week visit. Qualitative researchers, who did not take part in the main trial, performed the interviews and the primary analysis. The experiences explored related to the conduct of the RCT and changes in the participants' everyday life. The analysis was carried out using a thematic approach., Setting: A Danish rheumatology university outpatient clinic with nationwide inclusion., Participants: The study included 10 patients with psoriatic arthritis (PsA) who were unaware of their treatment allocation (FMT/sham transplantation) and completed the final 26-week trial visit., Results: Participation in the RCT influenced the patients' understanding of PsA and induced positive changes in their everyday life. Renewed hopes for the future in addition to a feeling of enhanced care contributed to significant trial participation effects. FMT was deemed a tolerable and safe treatment., Conclusions: Discrepancies between the clinical and the research setting should be considered when discussing the clinical relevance of the results of the RCT. Overall, patients with PsA who have participated in an RCT testing FMT find the treatment acceptable and safe encouraging more research into the field of microbiota-targeted interventions in rheumatic diseases., Trial Registration Number: NCT03058900; Pre-results., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2021
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48. What Atomic Positions Determines Reactivity of a Surface? Long-Range, Directional Ligand Effects in Metallic Alloys.
- Author
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Clausen CM, Batchelor TAA, Pedersen JK, and Rossmeisl J
- Abstract
Ligand and strain effects can tune the adsorption energy of key reaction intermediates on a catalyst surface to speed up rate-limiting steps of the reaction. As novel fields like high-entropy alloys emerge, understanding these effects on the atomic structure level is paramount: What atoms near the binding site determine the reactivity of the alloy surface? By statistical analysis of 2000 density functional theory calculations and subsequent host/guest calculations, it is shown that three atomic positions in the third layer of an fcc(111) metallic structure fourth-nearest to the adsorption site display significantly increased influence on reactivity over any second or third nearest atomic positions. Subsequently observed in multiple facets and host metals, the effect cannot be explained simply through the d-band model or a valence configuration model but rather by favorable directions of interaction determined by lattice geometry and the valence difference between host and guest elements. These results advance the general understanding of how the electronic interaction of different elements affect adsorbate-surface interactions and will contribute to design principles for rational catalyst discovery of better, more stable and energy efficient catalysts to be employed in energy conversion, fuel cell technologies, and industrial processes., Competing Interests: The authors declare no conflict of interest., (© 2021 The Authors. Advanced Science published by Wiley‐VCH GmbH.)
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- 2021
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49. Self-protection strategies and health behaviour in patients with inflammatory rheumatic diseases during the COVID-19 pandemic: results and predictors in more than 12 000 patients with inflammatory rheumatic diseases followed in the Danish DANBIO registry.
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Glintborg B, Jensen DV, Engel S, Terslev L, Pfeiffer Jensen M, Hendricks O, Ostergaard M, Horskjær Rasmussen S, Adelsten T, Colic A, Danebod K, Kildemand M, Loft AG, Munk HL, Pedersen JK, Østgård RD, Møller Sørensen C, Krogh NS, Agerbo J, Ziegler C, and Hetland M
- Subjects
- Adult, Aged, Aged, 80 and over, Antirheumatic Agents therapeutic use, Anxiety epidemiology, Arthritis, Psoriatic drug therapy, Arthritis, Psoriatic epidemiology, Arthritis, Psoriatic psychology, Arthritis, Rheumatoid drug therapy, Arthritis, Rheumatoid epidemiology, Arthritis, Rheumatoid psychology, COVID-19 prevention & control, COVID-19 psychology, Denmark epidemiology, Female, Health Surveys statistics & numerical data, Humans, Male, Medication Adherence statistics & numerical data, Middle Aged, Quarantine statistics & numerical data, Registries statistics & numerical data, Rheumatic Diseases drug therapy, Rheumatic Diseases epidemiology, Spondylarthropathies drug therapy, Spondylarthropathies epidemiology, Spondylarthropathies psychology, COVID-19 epidemiology, Health Behavior, Pandemics, Rheumatic Diseases psychology, SARS-CoV-2
- Abstract
Aims: In Danish patients with inflammatory rheumatic diseases to explore self-protection strategies and health behaviour including adherence to disease-modifying antirheumatic treatment (DMARD) during the initial phase of the COVID-19 pandemic and again after the reopening of the society started. Furthermore, to identify characteristics of patients with high levels of anxiety and self-isolation., Methods: Patients in routine care followed prospectively in the nationwide DANBIO registry were invited to answer an online questionnaire regarding disease activity and COVID-19 infection, behaviour in March and June 2020. Responses were linked to patient data in DANBIO. Characteristics potentially associated with anxiety, self-isolation and medication adherence (gender/age/diagnosis/education/work status/comorbidity/DMARD/smoking/EQ-5D/disease activity) were explored with multivariable logistic regression analyses., Results: We included 12 789 patients (8168 rheumatoid arthritis/2068 psoriatic arthritis/1758 axial spondyloarthritis/795 other) of whom 65% were women and 36% treated with biological DMARD. Self-reported COVID-19 prevalence was 0.3%. Patients reported that they were worried to get COVID-19 infection (March/June: 70%/45%) and self-isolated more than others of the same age (48%/38%). The fraction of patients who changed medication due to fear of COVID-19 were 4.1%/0.6%. Female gender, comorbidities, not working, lower education, biological treatment and poor European Quality of life, 5 dimensions were associated with both anxiety and self-isolation., Conclusion: In >12 000 patients with inflammatory arthritis, we found widespread anxiety and self-isolation, but high medication adherence, in the initial phase of the COVID-19 pandemic. This persisted during the gradual opening of society during the following months. Attention to patients' anxiety and self-isolation is important during this and potential future epidemics., Competing Interests: Competing interests: Bente Glintborg: Research grants: AbbVie, BMS, Pfizer.Oliver Hendricks: Research grants: AbbVie, Novartis, Pfizer.Lene Terslev: Speakers fee: Speakers fee from AbbVie, Janssen, Roche, Novartis, Pfizer, MSD, BMS and GE.Mikkel Østergaard: Research grants: Abbvie, BMS, Celgene, Merck, Novartis; Consultancy and/or speaker fees: Abbvie, BMS, Boehringer-Ingelheim, Celgene, Eli-Lilly, Hospira, Janssen, Merck, Novartis, Novo, Orion, Pfizer, Regeneron, Roche, Sandoz, Sanofi and UCB.Rene Østgaard: Research grants: Abbvie; Consultancy and/or speaker fees: Abbvie, BMS, Boehringer-Ingelheim, Eli-Lilly, Janssen, Merck, Novartis, Pfizer, Roche, Sanofi and UCB.Anne Gitte Loft: Consultancy and/or speakers fees: AbbVie, Eli-Lilly, Janssen, MSD, Novartis, Pfizer, and UCB.Merete Lund Hetland: AbbVie, Biogen, BMS, Celtrion, Eli Lilly Denmark A/S, Janssen Biologics B.V, Lundbeck Fonden, MSD, Pfizer, Roche, Samsung Biopis, Sandoz. MLH chairs the steering committee of the Danish Rheumatology Quality Registry (DANBIO), which receives public funding from the hospital owners and funding from pharmaceutical companies. MLH cochairs the EuroSpA research collaboration, which generates real-world evidence of treatment of psoriatic arthritis and axial spondyloarthritis based on secondary data and is partly funded by Novartis.Remaining authors: none declared., (© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2021
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50. Use of prescription medication in the last years of life: a population-based comparison of two oldest old Danish birth cohorts born 10 years apart.
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Pedersen JK, Jensen TM, Waldorff FB, Søndergaard J, and Christensen K
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- Aged, 80 and over, Cohort Studies, Denmark epidemiology, Humans, Drug Prescriptions, Polypharmacy
- Abstract
Introduction: Age limits for diagnostics and treatments have been largely removed and replaced by an active diagnostic and treatment practice among the oldest old and has led to concerns about potential overtreatment during the last years of life., Methods: Use of prescription medication in the last years of life was assessed from 1995 to 2012 for the entire 1905 and 1915 Danish birth cohorts using nationwide register data. Medication use was quantified as the number different pharmacy-redeemed drugs during 120 days up to a given date., Results: For both cohorts, prescription medication use increased with proximity to death and calendar year, while age at death had little impact; use in the 1915 cohort was markedly higher than in the 1905 cohort. Average number of prescription medications varied from below 3 to above 9 depending on age, calendar year and proximity to death. From 1995 to 2005, average number of prescription medications for a 90-year-old person in the last month of life increased from 6.0 to 8.7. Out of 90-year-old persons dying in 2005, 82% were exposed to polypharmacy, up from 63% in 1995., Conclusions: Prescription medication use accelerates throughout the last of years life among two Danish oldest old cohorts born 10 years apart, with substantially larger use in the most recent cohort. This pattern suggests an increase in drug prescribing regimens in the period 1995-2012, reinforcing the need for evidence-based guidelines on medications in the particularly vulnerable population of the oldest old patients in their last years of life., (© The Author(s) 2020. Published by Oxford University Press on behalf of the British Geriatrics Society. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
- Published
- 2020
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