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Correspondence to ‘Comparative effectiveness of first-line tumour necrosis factor inhibitor versus non-tumour necrosis factor inhibitor biologics and targeted synthetic agents in patients with rheumatoid arthritis: results from a large US registry study’
  1. Wenjie Zheng1,
  2. Pui-Ying Leong2,3,
  3. James Cheng-Chung Wei2,3,4
  1. 1 Department of Paediatrics, The Second Affiliated Hospital & Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
  2. 2 Department of Allergy, Immunology & Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan
  3. 3 Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
  4. 4 Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
  1. Correspondence to Dr James Cheng-Chung Wei, Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan; jccwei{at}gmail.com

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We read with great interest the article by Pappas et al 1 who evaluated the comparative effectiveness of a tumour necrosis factor inhibitor (TNFi) such as adalimumab, etanercept, certolizumab pegol, golimumab or infliximab versus a non-TNFi (abatacept, tocilizumab, rituximab, anakinra or tofacitinib) as the first-line treatment in patients with rheumatoid arthritis (RA). The authors concluded that there were no statistically significant differences observed between the TNFi and non-TNFi treatment groups for the outcomes assessed, including the Clinical Disease Activity Index (CDAI), the 28-Joint Modified Disease Activity Score, the Health Assessment Questionnaire Disability Index, EuroQol-5 Dimension score, morning stiffness and fatigue. In this observational study, data collected from 1 October 2001 to 31 January 2018 within a large US healthcare registry were evaluated, and 4816 patients who had a non-remission CDAI score …

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Footnotes

  • Contributors All authors contributed equally to the presented work.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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