Sunshine Guojian Pharmaceutical (shanghai) Co., Ltd.

This study tests a new drug called SSGJ-627 in 288 adults with moderate to severe ulcerative colitis, a chronic bowel disease. The goal is to see if it safely controls symptoms like bleeding and diarrhea. Participants must have tried other treatments without success.

This study tests a drug called 608 in 380 adults with non-radiographic axial spondyloarthritis, a form of arthritis that causes back pain and stiffness but doesn't show up on X-rays. Participants will receive either 608 or a placebo injection to see if the drug reduces pain and i…