30/07/2025 Phase 3 COSTAR Lung trial of dostarlimab + docetaxel ± cobolimab failed to meet the OS endpoint in previously treated NSCLC (Ref) GSK's Phase 3 COSTAR Lung/NCT04655976 trial of dostarlimab (anti-PD-1) + docetaxel ± cobolimab (anti-TIM-3) combinations did not meet the primary endpoint of improving OS vs docetaxel alone in advanced NSCLC that has progressed on prior PD-(L)1 therapy and chemotherapy. All regimens were well tolerated and toxicities were consistent with