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OBJECTIVE: We aim to compare drug effectiveness and persistence between the reference etanercept (ETN) and ETN biosimilar SB4 in patients with psoriatic arthritis (PsA) naive to ETN and to investigate drug effectiveness and persistence in those undergoing a mandatory nonmedical switch from ETN to SB4. METHODS: We used a retrospective comparative database study including 1,138 patients with PsA treated with ETN or SB4 (years 1999-2021) in Norway. Disease activity score in 28 joints (DAS28) and drug persistence were compared between unmatched ETN (n = 644) and SB4 (n = 252) cohorts and in matched analyses (n = 144, both cohorts) at baseline using a propensity score (PS) to adjust for confounders. Drug persistence was analyzed with the Kaplan-Meier method. RESULTS: In unmatched analyses, difference in change from baseline between ETN (n = 140) and SB4 (n = 132) for DAS28 at one year was mean 0.67 (95% confidence interval [CI] 0.38-0.96) in favor of ETN. In PS-matched analyses, the difference in change from baseline between ETN (n = 54) and SB4 (n = 54) was mean 0.09 (95% CI -0.33 to 0.50), and the mean difference assessed with an analysis of covariance model was 0.01 (95% CI -0.38 to 0.40), both within predefined equivalence margin (±0.6). Drug persistence at one year was mean 0.75 (95% CI 0.71-0.78) for ETN, mean 0.58 (95% CI 0.51-0.63) for SB4, hazard ratio (HR) 2.45 (95% CI 2.02-2.97) in unmatched analysis, and mean 0.55 (95% CI 0.46-0.63) for ETN, mean 0.60 (95% CI 0.51-0.67) for SB4, HR 1.29 (95%CI 0.94-1.76) in PS-matched cohorts. CONCLUSION: At one year, outcomes for PsA disease activity and drug persistence were comparable for patients treated with either ETN or SB4. In patients undergoing a mandatory nonmedical switch from ETN to SB4, drug effectiveness was maintained during a two-year period.
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Objectives: MTX, LEF and SSZ are conventional synthetic DMARDs (csDMARDs) with a well-established role in the treatment of RA. We aimed to estimate and compare the relative risks for adverse events (AEs) and the discontinuation of these drugs owing to AEs. Methods: We included all 3339 patients from the NOR-DMARD study treated with MTX, LEF or SSZ in monotherapy. All reported AEs were compared between treatment groups using quasi-Poisson regression. In addition, drug retention rates were analysed using Kaplan-Meier estimates with Cox regression to control for possible confounders. We analysed drug retention rates and cumulative risk of discontinuation attributable to AEs using the Kaplan-Meier estimator. We assessed age, sex, baseline DAS in 28 joints with ESR (DAS28-ESR), seropositivity, prednisolone use, previous DMARD use, year of inclusion and co-morbidity as possible cofounders. Results: We found that the discontinuation rate attributable to AEs was significantly higher for LEF and SSZ than for MTX. After the first year, it was 13.7% (95% CI 12.2, 15.2), 39.6% (95% CI 34.8, 44) and 43.4% (95% CI 38.2, 48.1) for MTX, SSZ and LEF, respectively. Similar results were found when adjusting for confounders. The overall AEs were comparable across the treatment groups. The AE profile was as expected for each drug. Conclusion: Our work has shown a similar AE profile of csDMARDs to previous data. However, higher discontinuation rates for SSZ and LEF cannot be explained easily from AE profiles.
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OBJECTIVE: To compare (1) golimumab drug survival and efficacy in bDMARD naïve compared with non-naïve rheumatoid arthritis (RA), psoriatic arthritis (PsA) and axial spondyloarthritis (ax-SpA) patients, (2) golimumab drug survival in RA and PsA patients treated with/without concomitant csDMARDs, (3) predictors of golimumab drug discontinuation. METHODS: Patients starting golimumab were included from the prospective observational multicenter Norwegian DMARD study. Drug survival was explored by Kaplan-Meier analyses with log rank test. Treatment responses were compared using ANCOVA. Univariate and multivariate Cox regression analyses were performed to identify predictors of golimumab discontinuation. RESULTS: We included 808 patients (163 RA, 266 PsA, 379 ax-SpA). Golimumab drug survival after 1/2/4 years were not significantly different between bDMARD naïve and non-naïve patients (all, pâ¯≥â¯0.12; RA, pâ¯≥â¯0.07; PsA, pâ¯≥â¯0.28; ax-SpA, pâ¯≥â¯0.61), nor between RA (pâ¯≥â¯0.10) and PsA (pâ¯≥â¯0.07) patients treated with vs. without csDMARD comedication. bDMARD naïve compared with non-naïve ax-SpA patients had better 3-month ASDAS/BASDAI/MHAQ responses (pâ¯≤â¯0.02). bDMARD naïve compared with non-naïve RA and PsA patients had a trend towards better treatment responses. Identified predictors of 4-year golimumab discontinuation were patient's global and female gender in patients overall and in subgroups of PsA and ax-SpA patients, and patient's global and CRP in RA. CONCLUSION: Golimumab drug survival was not significantly different between bDMARD naïve and non-naïve RA, PsA and ax-SpA patients, nor between RA and PsA patients treated with vs. without concomitant csDMARDs. Treatment responses were significantly better for bDMARD naïve than non-naïve ax-SpA patients. Identified predictors of golimumab discontinuation were patient's global and female gender in patients overall and in subgroups of PsA and ax-SpA patients, and patient's global and CRP in RA.
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Anticorpos Monoclonais/uso terapêutico , Antirreumáticos/uso terapêutico , Artrite Psoriásica/tratamento farmacológico , Artrite Reumatoide/tratamento farmacológico , Produtos Biológicos/uso terapêutico , Espondilartrite/tratamento farmacológico , Adulto , Idoso , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Resultado do TratamentoRESUMO
OBJECTIVE: When initiating a new therapy in patients with rheumatoid arthritis (RA), current treatment recommendations suggest escalating therapy in case of poor clinical improvement by 3 months or if the treatment target has not been reached by 6 months. We investigated which disease activity improvement levels at 3 months predicted achievement of the treatment targets at 6 months in a real-life clinical setting. METHODS: We included 1610 patients with RA enrolled in the NOR-DMARD study between 2000 and 2012. Analyses were performed for the total group of patients and repeated for subgroups stratified by baseline disease activity, disease duration or treatment with methotrexate or a tumour necrosis factor inhibitor. We used a diagnostic test approach to explore the associations between 3-month response and 6-month outcome. RESULTS: Not achieving 50% improvement in Simplified Disease Activity Index (SDAI) by 3 months significantly decreased the likelihood of reaching remission at 6 months in all subgroups (negative likelihood ratios (LRs-) 0.15-0.36). Patients with high disease activity when initiating treatment were likely to fail reaching remission if they achieved less than SDAI 70% response by 3 months (LR- 0.25 and negative predictive value 0.98). Achieving a major response (SDAI 85%) at 3 months significantly increased the likelihood of reaching remission at 6 months (LRs+ 6.56). CONCLUSION: Levels of 3-month disease activity improvement can inform clinicians when deciding to continue or adjust ongoing therapy in a treat-to-target strategy aiming for remission or low disease activity within 6 months. The required levels of 3-month improvement varied with baseline disease activity.
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OBJECTIVES: To compare (1) Short Form-36 (SF-36) Physical Component Summary (PCS) and Mental Component Summary (MCS), scale scores and Short Form-6 dimensions (SF-6D) between patients with rheumatoid arthritis (RA) and patients with psoriatic arthritis (PsA) and Norwegian general population controls and (2) improvements in these measures between patients with RA and PsA. METHODS: Analyses of covariance were performed to compare SF-36 measures between first-time enrolled patients with RA (n=3898) and PsA (n=1515) from the prospective observational multicentre NORwegian-Disease Modifying Anti-Rheumatic Drug study (6 months follow-up) and general population controls (n=2323). RESULTS: In age and gender-adjusted analyses, patients with PsA compared with patients with RA had similar PCS, MCS and SF-6D (p≥0.14), worse vitality and general health, but better physical functioning at 0/6 months (p≤0.03). With additional 28-joint disease activity scores adjustment as a proxy for joint inflammation, PCS, most scale scores and SF-6D were worse in patients with PsA than patients with RA at 0/3/6 months (p≤0.01). PCS was more impaired than MCS both in RA and PsA compared with general population controls (p≤0.001). Mean 3-month and 6-month improvements after disease-modifying anti-rheumatic drug treatment were larger in patients with RA than patients with PsA for bodily pain, vitality and mental health (p≤0.02). CONCLUSIONS: Health-related quality of life was overall similar in patients with RA and patients with PsA-with a tendency to worse scores in PsA-and worse compared with Norwegian general population controls.
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Antirreumáticos/uso terapêutico , Artrite Psoriásica/reabilitação , Artrite Reumatoide/reabilitação , Qualidade de Vida , Adulto , Idoso , Artrite Psoriásica/tratamento farmacológico , Artrite Reumatoide/tratamento farmacológico , Estudos de Casos e Controles , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Noruega , Estudos Prospectivos , Psicometria , Índice de Gravidade de DoençaRESUMO
OBJECTIVE: To investigate the predictive value of baseline depression/anxiety on the likelihood of achieving joint remission in rheumatoid arthritis (RA) and psoriatic arthritis (PsA) as well as the associations between baseline depression/anxiety and the components of the remission criteria at follow-up. METHODS: We included 1326 patients with RA and 728 patients with PsA from the prospective observational NOR-DMARD study starting first-time tumour necrosis factor inhibitors or methotrexate. The predictive value of depression/anxiety on remission was explored in prespecified logistic regression models and the associations between baseline depression/anxiety and the components of the remission criteria in prespecified multiple linear regression models. RESULTS: Baseline depression/anxiety according to EuroQoL-5D-3L, Short Form-36 (SF-36) Mental Health subscale ≤56 and SF-36 Mental Component Summary ≤38 negatively predicted 28-joint Disease Activity Score <2.6, Simplified Disease Activity Index ≤3.3, Clinical Disease Activity Index ≤2.8, ACR/EULAR Boolean and Disease Activity Index for Psoriatic Arthritis ≤4 remission after 3 and 6 months treatment in RA (p≤0.008) and partly in PsA (p from 0.001 to 0.73). Baseline depression/anxiety was associated with increased patient's and evaluator's global assessment, tender joint count and joint pain in RA at follow-up, but not with swollen joint count and acute phase reactants. CONCLUSION: Depression and anxiety may reduce likelihood of joint remission based on composite scores in RA and PsA and should be taken into account in individual patients when making a shared decision on a treatment target.
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Antirreumáticos/uso terapêutico , Ansiedade/psicologia , Artrite Psoriásica/psicologia , Artrite Reumatoide/psicologia , Depressão/psicologia , Adulto , Idoso , Artralgia/tratamento farmacológico , Artralgia/etiologia , Artralgia/psicologia , Artrite Psoriásica/complicações , Artrite Psoriásica/tratamento farmacológico , Artrite Reumatoide/complicações , Artrite Reumatoide/tratamento farmacológico , Feminino , Seguimentos , Humanos , Modelos Logísticos , Masculino , Metotrexato/uso terapêutico , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Estudos Prospectivos , Indução de Remissão , Índice de Gravidade de Doença , Resultado do Tratamento , Fator de Necrose Tumoral alfa/antagonistas & inibidoresRESUMO
OBJECTIVE: To investigate the predictive value of discordance between (1) tender and swollen joint count and (2) patient's and evaluator's global assessment on remission in patients with rheumatoid arthritis (RA) and psoriatic arthritis (PsA). METHODS: From the prospective, multicentre Norwegian-Disease-Modifying Antirheumatic Drug study, we included patients with RA and PsA starting first-time tumour necrosis factor inhibitors and DMARD-naïve patients starting methotrexate between 2000 and 2012. The predictive value of ΔTSJ (tender minus swollen joint counts) and ΔPEG (patient's minus evaluator's global assessment) on remission was explored in prespecified logistic regression models adjusted for age, sex, disease duration and smoking. RESULTS: A total of 2735 patients with RA and 1236 patients with PsA were included (mean (SD) age 55.0 (13.5)/48.3 (12.4) years, median(range) disease duration 0.7 (0.0-58.0)/1.3 (0.0-48.3) years, 69.7/48.4% females). Baseline ΔTSJ/ΔPEG reduced the likelihood of achieving DAS28<2.6, SDAI≤3.3, CDAI≤2.8, ACR/EULAR Boolean and DAPSA<4 remission after 3 and 6â months in RA (OR 0.95-0.97, p<0.001/OR 0.96-0.99, p≤0.01) and PsA (OR 0.91-0.94, p≤0.004/OR 0.89-0.99, p≤0.002), except for ΔPEG and 6-month DAS28 remission in PsA. CONCLUSIONS: Discordance between patient's and physician's evaluation of disease activity reflected through ΔTSJ and partly ΔPEG may reduce likelihood of remission in RA and PsA. The findings are relevant for use of the treat-to-target strategy in individual patients.
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Antirreumáticos/uso terapêutico , Artralgia/etiologia , Artrite Psoriásica/tratamento farmacológico , Artrite Reumatoide/tratamento farmacológico , Autoavaliação Diagnóstica , Edema/etiologia , Adulto , Idoso , Artrite Psoriásica/complicações , Artrite Reumatoide/complicações , Avaliação da Deficiência , Feminino , Humanos , Estudos Longitudinais , Masculino , Metotrexato/uso terapêutico , Pessoa de Meia-Idade , Noruega , Valor Preditivo dos Testes , Estudos Prospectivos , Sistema de Registros , Indução de Remissão , Índice de Gravidade de Doença , Inquéritos e Questionários , Resultado do Tratamento , Fator de Necrose Tumoral alfa/antagonistas & inibidoresRESUMO
OBJECTIVES: To investigate whether baseline disease activity levels and responses in patients with rheumatoid arthritis (RA) changed during the period 2000-2010. METHODS: Data were provided by the Norwegian disease-modifying antirheumatic drug (NOR-DMARD) study. Patients with inflammatory joint diseases starting new treatment with disease-modifying antirheumatic drugs (DMARDs) were consecutively included and followed longitudinally. Time trend analyses were performed in methotrexate (MTX)-naïve RA patients starting MTX monotherapy (MTX mono) and biologic DMARD (bDMARD)-naïve RA patients starting tumour necrosis factor inhibitors+MTX (TNFi+MTX). RESULTS: A total of 2573 patients were included in the analyses: MTX mono n=1866 (69.9% female, 62.0% RF+, mean (SD) age 56.0 (13.7) years, median (25-75 percentile) time from diagnosis 0.2 (0.01-2.8) years); TNFi+MTX n=707 (70.3% female, 75.0% RF+, mean (SD) age 52.1 (13.2) years, median (25-75 percentile) time from diagnosis 5.7 (2.0-13.7) years). Significant time trends towards lower baseline disease activity score 28 (DAS28) as well as other disease activity measures were found in both groups (DAS28 from 5.17 to 4.75 in MTX mono and from 5.88 to 4.64 in TNFi+MTX), and disease duration became shorter. Six-month DAS28 remission rates increased significantly over the years (from 17.8 to 37.6 in MTX mono and from 16.9 to 46.3 in TNFi+MTX). CONCLUSIONS: During the last decade, baseline RA disease activity level at the time of starting MTX as well as TNFi+MTX decreased from high to moderate. A more than twofold increase in 6-month remission rates was observed in both groups. Our findings indicate that clinicians have implemented modern, more aggressive treatment strategies, which hopefully will lead to better long-term disease outcomes.
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Artrite Reumatoide/tratamento farmacológico , Artrite Reumatoide/epidemiologia , Antirreumáticos/uso terapêutico , Feminino , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Indução de Remissão , TempoRESUMO
OBJECTIVES: The objectives of this study were to characterize patients with predominantly axial SpA who received SSZ as their first DMARD, compare the response to treatment in patients with and without peripheral disease and identify predictors of discontinuation of SSZ. We also investigated response to TNF inhibitor (TNFi) after SSZ failure. METHODS: We included DMARD-naive patients with predominantly axial SpA starting SSZ or TNFi treatment from a Norwegian, multicentre longitudinal observational study (NOR-DMARD). In patients starting SSZ, we compared the 3-month responses between patients with and without swollen joints and identified predictors of discontinuation by Cox regression analysis. Sixty-six SSZ-treated patients later switched to a TNFi, and we compared their 3-month responses and drug survival to patients starting a TNFi as their first DMARD. RESULTS: Patients receiving SSZ (n = 181) as their first DMARD had shorter disease duration, were more frequently female and had more swollen joints than those starting TNFi (n = 543). There was a trend toward better 3-month responses to SSZ in patients with peripheral joint swelling, and they had significantly better 3-year drug survival than patients without swollen joints at baseline. Predictors of SSZ discontinuation were no peripheral joint swelling, higher CRP and higher BASDAI back pain score. TNFi response was similar in patients previously treated with SSZ, as in DMARD-naive patients. CONCLUSION: Our findings support current recommendations of SSZ as an optional treatment in SpA patients with peripheral disease, although overall responses were modest. Initial treatment with SSZ does not seem to impair later TNFi response.