BACKGROUND: Checkpoint inhibitor (CPI) therapy revolutionized treatment for advanced non-small cell lung cancer (NSCLC); however, most patients progress due to primary or acquired resistance. Sitravatinib is a receptor tyrosine kinase inhibitor that can shift the immunosuppressive tumor microenvironment towards an immunostimulatory state. Combining sitravatinib with nivolumab (sitra+nivo) may potentially overcome initial CPI resistance. PATIENTS AND METHODS: In the phase III SAPPHIRE study, patients with advanced non-oncogenic driven, non-squamous NSCLC who initially benefited from (
Keywords