Distant metastasis-free survival, a secondary endpoint, was also significantly improved versus placebo (HR=0.76 [95.8% CI: 0.64-0.92; p=0.002]) and had five-year DMFS rates of 48.3% and 38.9% in the Yervoy and placebo groups, respectively.
A group of melanoma experts, joined by three advocacy groups focused on melanoma, has engaged FDA in a public discussion of the challenges of developing new drugs in the refractory setting and the role crossover can play in such trials.
