IBI351 Plus Cetuximab β in Untreated Advanced Non-small Cell Lung Cancer With KRAS G12C Mutation

Study Design: a Phase II, single-arm, multicenter, prospective, interventional study. Target Population: Subjects with previously untreated, locally advanced or metastatic non-small cell lung cancer (NSCLC) confirmed to harbor the KRAS G12C mutation. Treatment Regimen: All enrolled subjects will receive IBI351 combined with cetuximab β injection. Treatment will continue until disease progression (as assessed by the investigator per RECIST 1.1 criteria) or the occurrence of intolerable toxicity. Primary Endpoint: Objective Response Rate (ORR) as assessed by the investigator according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1. Secondary Endpoints: Disease Control Rate (DCR), Time to Response (TTR), Progression-Free Survival (PFS), and Overall Survival (OS) , and safety.