Objective This study compared the efficacy of different doses of filgotinib (100 mg vs 200 mg) in the treatment of rheumatoid arthritis (RA). Methods We conducted a systematic review of 4 electronic databases up to January 2025. Primary outcome measures included ACR20, ACR50, ACR70. Results Five RCTs were included in this analysis, in which 2191 patients with RA were evaluated, 100 mg filgotinib was noninferior to 200 mg filgotinib in the efficacy of ACR20 (P = 0.33, RR = 0.96). However, 100 mg filgotinib was inferior to 200 mg filgotinib for RA when using ACR50 (P = 0.04, RR = 0.92) and ACR70 (P = 0.02, RR = 0.86) as outcome measures. At 24 weeks, 100 mg filgotinib was inferior to 200 mg filgotinib at ACR50 (P = 0.07, RR = 0.84), and there was no significant difference between 100 mg and 200 mg filgotinib at ACR70 (P = 0.54, RR =0.88). The 52-week results showed 100 mg filgotinib was inferior to 200 mg filgotinib at ACR70 (P = 0.01, RR = 0.86). Conclusion Reduced dose filgotinib (100 mg) may be used as a potential treatment option for RA when treatment is required.
Ye et al. (Wed,) studied this question.
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