Real-World Study on the Safety and Effectiveness of IL-23 Inhibitors for Inflammatory Bowel Disease in China

Adult patients will receive treatment with an interleukin-23 inhibitor (IL-23i), including guselkumab or risankizumab, as prescribed in routine clinical practice in China. This observational study does not mandate dosing, administration schedule, or concomitant medications; treatments follow standard of care. Patients will be prospectively monitored for clinical effectiveness, endoscopic outcomes, and safety over 52 weeks.