“Metastatic colorectal cancer is a challenging cancer to treat with high unmet needs. Though there have been advances in treating patients with microsatellite instability-high (MSI-H)/deficient mismatch repair (dMMR) colorectal cancers, patients with microsatellite stable (MSS) tumors continue to have limited treatment options in later lines of therapy. While we know immunotherapies have historically demonstrated limited efficacy in MSS colorectal cancers, we had hoped to demonstrate meaningful clinical benefit in this patient population and are disappointed in this outcome,” said Jeffrey Walch, M.D., Ph.D., vice president, global program lead, Bristol Myers Squibb. “We continue to be committed to the development of I-O therapies, including Opdivo (nivolumab) and Yervoy (ipilimumab), in MSI-H/dMMR colorectal cancers, and we thank the investigators, patients, and their loved ones who participated in this trial.”