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- Title
The addition of iguratimod can reduce methotrexate dose in rheumatoid arthritis with clinical remission.
- Authors
Ayaka Yoshikawa; Takuya Kotani; Shogo Matsuda; Kenichiro Hata; Yoko Matsumura; Tohru Takeuchi
- Abstract
Objectives: We prospectively evaluated whether the addition of iguratimod (IGU) could sustain clinical remission in rheumatoid arthritis (RA) patients after tapering of methotrexate (MTX). Methods: The study included 47 patients; 25 patients in the MTX maintenance group, and 22 patients in the IGU addition group who were treated with additional IGU and tapering of MTX dose. Clinical efficacy and safety were evaluated at 12, 24, and 36 weeks. Results: In the IGU addition group, the dose of MTX could be reduced from 8.6 ± 2.4 mg/week at baseline to 4.7 ± 2.2mg/week at 36 weeks (p<.001). Clinical remission was maintained (disease activity score [DAS]28-ESR 1.48 ± 0.63 at baseline and 1.69 ± 0.76 at 36 weeks, p=.911), and disease activity remained low (clinical disease activity index [CDAI] 2.4 ± 1.5 at baseline and 3.1 ± 3.4 at 36 weeks, p=.825). The US-GLOSS score significantly decreased from 9.2 ± 5.3 at baseline to 6.4 ± 4.3 at 36 weeks (p=.034). In the IGU addition group, two patients discontinued IGU because of stomatitis and three patients relapsed during the follow-up period (flare rate: 15.0%). There was no significant difference in RA disease activity at 36 weeks between the two groups. Conclusion: Additional use of IGU can effectively reduce the MTX dose required by patients during clinical remission without inducing a flare.
- Subjects
DISEASE remission; RHEUMATOID arthritis; METHOTREXATE
- Publication
Modern Rheumatology, 2022, Vol 32, Issue 1, p68
- ISSN
1439-7595
- Publication type
Article
- DOI
10.1080/14397595.2021.1892945