NCT03515629 2022-11-16REGN2810 (Anti-PD-1 Antibody), Platinum-based Doublet Chemotherapy, and Ipilimumab (Anti-CTLA-4 Antibody) Versus Pembrolizumab Monotherapy in Patients With Lung CancerRegeneron PharmaceuticalsPhase 3 Terminated5 enrolled 13 charts