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Efficacy of the clinical use of iguratimod therapy in patients with rheumatoid arthritis

Abstract Objective. Iguratimod (IGU) is a new synthetic disease-modifying antirheumatic drug intended to treat patients with rheumatoid arthritis (RA). We conducted a 24-week study on the efficacy of IGU in RA patients with daily clinical use. Methods. Forty-one patients were enrolled in this study, and the improvement in RA was evaluated every 4 weeks during the 24 weeks. Results. The patient's global assessment of the disease activity with a scale (Pt VAS) was significantly decreased beginning at week 4. The disease activity score (DAS) 28-erythrocyte sedimentation rate, DAS28-C-reactive protein (CRP), simplified disease activity index and clinical disease activity index all significantly decreased at week 24. The matrix metalloproteinase-3 level was significantly decreased by the combination treatment with methotrexate at week 24. According to a logistic regression analysis, the factor which was most associated with the achievement of low disease activity (DAS28-CRP < 2.7) at week 24 was the DAS28-CRP at week 0. Conclusions. IGU had significant clinical effects on the RA patients within 24 weeks. IGU might therefore represent a new practical choice to treat RA patients.