49% of patients treated with Opdivo plus Yervoy were alive at 6.5 years and 77% of these patients remained treatment-free Data to be featured in an oral presentation during the 2021 American Society of Clinical Oncology (ASCO) Annual Meeting Bristol Myers Squibb (NYSE: BMY) today announced new six-and-a-half-year data from CheckMate -067, a randomized, double-blind, Phase 3 clinical trial, demonstrating durable improvement in survival with first-line Opdivo (nivolumab) plus Opdivo monotherapy, versus Yervoy alone, in patients with advanced melanoma. With a minimum follow-up of 6.5 years, median overall survival (OS) was 72.1 months with Opdivo plus Yervoy (95% CI: 38.2-NR), the longest reported median OS in a Phase 3 advanced melanoma trial, 36.9 months with