Successful Treatment of Steroid-Refractory Immune Checkpoint Inhibitor–Related Colitis With Vedolizumab: A Case Report and Literature Review
A 72-year-old man with metastatic lung adenocarcinoma developed severe immune checkpoint inhibitor–related colitis after nivolumab therapy. The patient presented with frequent diarrhea and dehydration. Infectious causes were excluded, and colonoscopic findings were consistent with active colitis. Despite high-dose intr...