Clinical perspective and treatment of immune-related colitis after cancer immunotherapy

cells) and is one of the most frequently observed immune-related toxicities; it can be fatal if untreated. The disease is associated with highly cytotoxic intestinal T cells and inflammatory myeloid activation. Current clinical management relies on broad immunosuppression, potentially reducing antitumor immunity. Ideal future therapies for irAEs will uncouple immunosuppressive activities in the inflamed target organ and the tumor microenvironment.