Post-marketing Re-evaluation of WangBi Granules for Rheumatoid Arthritis

This study is evaluating the long-term effectiveness and safety of WangBi Granules — a traditional Chinese herbal medicine — as an add-on treatment for people with rheumatoid arthritis (RA) that is mildly active despite standard treatment. Researchers want to see whether this herbal supplement can improve joint symptoms when added to the existing medication regimen. **You may be eligible if:** - You are 18–75 years old - You have been diagnosed with rheumatoid arthritis (RA) using standard diagnostic criteria - Your RA is mildly active (DAS28 score between 2.6 and 3.2) - You have been on a stable dose of methotrexate and tofacitinib (a JAK inhibitor) for at least 4 weeks - Your traditional Chinese medicine diagnosis aligns with a specific pattern (kidney deficiency with dampness and stagnation) **You may NOT be eligible if:** - You are on other immunosuppressive drugs (beyond the standard ones listed) - You have serious infections, liver disease, or kidney disease - You have used WangBi Granules previously - You are pregnant or breastfeeding Talk to your doctor to see if this trial is right for you.