Factors affecting discontinuation of adalimumab and etanercept therapy in anti-TNF-naïve patients with ankylosing spondylitis: Nationwide population-based cohort study

Hsin Hua Chen, Yi Ming Chen, Kuo Lung Lai, Ching Heng Lin, Chao Hsiung Tang, Der Yuan Chen

研究成果: 雜誌貢獻文章同行評審

摘要

Objectives. We investigated factors associated with discontinuation of anti-tumor necrosis factor (TNF) therapy in patients with ankylosing spondylitis (AS), who were anti-TNF-naïve and were given etanercept (ETN) or adalimumab (ADA). Methods. This is a retrospective nationwide population-based cohort study. We identified 1401 anti-TNF-naïve patients with AS who initiated ETN (n = 441) or ADA (n = 960) and measured the duration of anti-TNF drug use. We recorded demographic and clinical data of all patients, and calculated adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) using Cox proportional hazard regression analyses. Results. Overall, the ADA and ETN groups had similar risk for drug discontinuation (HR: 0.83; 95% CI: 0.63-1.08). In each group, concomitant use of methotrexate (MTX) or a non-steroidal anti-inflammatory drug was associated with a lower risk of discontinuation. Subgroup analysis indicated that concomitant MTX use reduced risk of discontinuation of ADA (HR: 0.54; 95% CI: 0.40-0.74), but not ETN (HR: 1.03; 95% CI: 0.65-1.63). Conclusions. This study of anti-TNF-naïve patients with AS indicated that users of ADA and ETN had similar overall risk of drug discontinuation. However, patients taking ADA with MTX had a lower risk of discontinuation than those taking ADA alone.

原文英語
頁(從 - 到)903-907
頁數5
期刊Modern Rheumatology
25
發行號6
DOIs
出版狀態已發佈 - 九月 8 2015

ASJC Scopus subject areas

  • 風濕病

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