Vitamin D intake is associated with decreased risk of immune checkpoint inhibitor‐induced colitis

Background There is a lack of predictive markers informing on the risk of colitis in patients treated with immune checkpoint inhibitors (ICIs). The aim of this study was to identify potential factors associated with development of ICI colitis. Methods We performed a retrospective analysis of melanoma patients at Dana‐Farber Cancer Institute who received PD‐1, CTLA‐4, or combination ICIs between May 2011 to October 2017. Clinical and laboratory...