Phase II Clinical Trial to Evaluate the Safety and Efficacy of TQB2450 Injection Combined With Anlotinib Capsule and Chemotherapy in the Treatment of Immunoresistant Advanced Non-small Cell Lung Cancer
Objective to compare the efficacy and safety of TQB2450 injection combined with anlotinib and chemotherapy, and TQB2450 injection combined with chemotherapy in the treatment of advanced non-small cell lung cancer subjects who failed to receive first-line chemotherapy combined with immunization, and to explore and evaluate biomarkers related to efficacy, mechanism of action / resistance mechanism, and safety.