NON-SUPPORTIVE EVIDENCE: PRINCETON, N.J.--(BUSINESS WIRE)-- Bristol Myers Squibb (NYSE: BMY) today announced results for the co-primary endpoint for CheckMate -915, a randomized Phase 3 study evaluating Opdivo (nivolumab) plus Yervoy (ipilimumab) versus Opdivo for patients who have had a complete surgical removal of stage IIIb/c/d or stage IV melanoma. The addition of Yervoy to Opdivo in this trial did not result in a statistically significant improvement in recurrence-free survival (RFS) in the all-comer (intent-to-treat) population.