Clinical effectiveness of iguratimod based on real-world data of patients with rheumatoid arthritis.

IGU is effective for RA, especially with concomitant MTX, and in elderly and male patients. Key Points • Iguratimod is effective for RA, especially with concomitant MTX, and in elderly and male patients. • Since all serious adverse events were in the elderly group in this study, sufficient monitoring for adverse events, especially for elderly RA patients, is needed during iguratimod therapy.