This multicenter, prospective, open-labeled 2-arm, randomized non-comparative phase II trial. This phase II trial is based on a 2-stage Simon's optimal design. Randomization 1:1 with 1 patient randomized in experimental arm A (association of nivolumab plus relatlimab) and 1 patient randomized in arm B (treatment by nivolumab alone).
This is a multicenter study assessing the efficacy of nivolumab in association with relatlimab.