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  • Efficacy and safety of filgotinib in combination with methotrexate in Japanese patients with active rheumatoid arthritis who have an inadequate response to methotrexate: Subpopulation analyses of 24-week data of a global phase 3 study (FINCH 1).

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    Author(s)
    Tanaka, Yoshiya
    Matsubara, Tsukasa
    Atsumi, Tatsuya
    Amano, Koichi
    Ishiguro, Naoki
    Sugiyama, Eiji
    Yamaoka, Kunihiro
    Combe, Bernard G
    Kivitz, Alan J
    Bae, Sang-Cheol
    Keystone, Edward C
    Nash, Peter
    Matzkies, Franziska
    Bartok, Beatrix
    Pechonkina, Alena
    et al.
    Griffith University Author(s)
    Nash, Peter
    Year published
    2021
    Metadata
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    Abstract
    Objectives Evaluate the efficacy and safety of the Janus kinase-1 inhibitor filgotinib in Japanese patients with rheumatoid arthritis (RA) and inadequate response to methotrexate (MTX). Methods Data from 147 Japanese patients in FINCH 1, a 52-week global Phase 3 study, were analysed up to 24 weeks. Patients received once-daily filgotinib 200 or 100 mg, biweekly adalimumab, or placebo, all with stable background MTX. Results In the Japanese population, American College of Rheumatology 20% response rates at Week 12 (primary endpoint) were 77.5%, 65.9%, 53.6%, and 36.8% for filgotinib 200 mg, filgotinib 100 mg, adalimumab, ...
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    Objectives Evaluate the efficacy and safety of the Janus kinase-1 inhibitor filgotinib in Japanese patients with rheumatoid arthritis (RA) and inadequate response to methotrexate (MTX). Methods Data from 147 Japanese patients in FINCH 1, a 52-week global Phase 3 study, were analysed up to 24 weeks. Patients received once-daily filgotinib 200 or 100 mg, biweekly adalimumab, or placebo, all with stable background MTX. Results In the Japanese population, American College of Rheumatology 20% response rates at Week 12 (primary endpoint) were 77.5%, 65.9%, 53.6%, and 36.8% for filgotinib 200 mg, filgotinib 100 mg, adalimumab, and placebo. Proportions of patients achieving Disease Activity Score with 28 joints <2.6 at Week 24: filgotinib 200 mg, 65.0%; filgotinib 100 mg, 51.2%; adalimumab, 42.9%; and placebo, 5.3%. Incidence rates of serious infections: filgotinib 200 mg, 2.5%; filgotinib 100 mg, 0%; adalimumab, 10.7%; and placebo, 5.3%. Treatment-emergent laboratory abnormalities Grade ≥3 occurred in five (12.5%) filgotinib 200 mg, three (7.3%) filgotinib 100 mg, one (3.6%) adalimumab, and no placebo patients. No deaths were reported among Japanese patients. Conclusions Filgotinib once daily combined with MTX was effective and generally safe and well tolerated up to Week 24 in Japanese patients with RA and inadequate response to MTX.
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    Journal Title
    Modern Rheumatology
    DOI
    https://doi.org/10.1093/mr/roab030
    Copyright Statement
    © Japan College of Rheumatology 2021. Published by Oxford University Press. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com
    Note
    This publication has been entered in Griffith Research Online as an advanced online version.
    Subject
    Clinical sciences
    Immunology
    Filgotinib
    Janus kinase
    Japanese
    Phase 3 clinical trials
    rheumatoid arthritis
    Publication URI
    http://hdl.handle.net/10072/411434
    Collection
    • Journal articles

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