%0 Journal Article %T Ipilimumab-Induced Enteritis without Colitis: A New Challenge %A Marcus Messmer %A Mark Yarchoan %A Matthias Holdhoff %A Nikhilesh Mazumder %A Reezwana Chowdhury %A Sunita Upreti %A Yaman Tarabishy %J Archive of "Case Reports in Oncology". %D 2016 %R 10.1159/000452403 %X Ipilimumab is an immune checkpoint inhibitor targeting cytotoxic T-lymphocyte associated antigen 4 (CTLA4), approved to treat metastatic melanoma. It was the first therapy shown to prolong survival in a large, randomized clinical trial. However, immune-related adverse events are common and can be severe. Enterocolitis is a common adverse event with ipilimumab, but enteritis without colitis has not been previously described %K Ipilimumab %K CTLA4 inhibitor %K Enteritis %K Colitis %K Immunotherapy %K Melanoma %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5126596/