LY3871801_25g, Placebo to match LY3871801 clinical trials

J3P-MC-FTAF: An Adaptive Phase 2a/2b, Randomized, Double-Blind, Placebo-Controlled Study of LY3871801 in Adult Participants With Moderately-to-Severely Active Rheumatoid Arthritis

This study is testing a new medicine, LY3871801, for adults with rheumatoid arthritis. It's a research study to see how well the medicine works and if it's safe compared to a dummy pill. We hope to find new ways to help people with this condition.