A combination of Opdivo (nivolumab) and Yervoy (ipilimumab) has been effective in reducing the risk of disease progression in patients with metastatic colorectal cancer – the first dual immunotherapy regime to show significant benefits as a first-line treatment, according to Bristol Myers Squibb Co. BMS, which developed both drugs, announced the results of the Phase 3 CheckMate-8HW trial on 20 January.