Xian-janssen Pharmaceutical Ltd.

This study tests whether the drug guselkumab can help people with Crohn's disease whose current treatment (ustekinumab) has stopped working. About 78 Chinese adults with active Crohn's will receive guselkumab and be followed for 48 weeks. The goal is to see if the drug can bring …

This study looks at how well guselkumab works for Chinese adults with moderate-to-severe ulcerative colitis who have never taken biologic drugs before. Researchers will track changes in symptoms and quality of life over 48 weeks in a real-world setting. The goal is to see if this…