Efficacy and Safety of IBI351 in Combination With Chemotherapy in Advanced Non-squamous Non-small Cell Lung Cancer Subjects With KRAS G12C Mutation

Inclusion Criteria: 1. Histologically confirmed diagnosis of nonsquamous NSCLC with KRAS G12C mutation 2. Unresectable or metastatic disease 3. Adequate organ function 4. Not received any systemic antitumor therapy for locally advanced or metastatic non-squamous NSCLC previously. Exclusion Criteria: 1. History of intestinal disease or major gastric surgery or inability to swallow oral medications 2. Prior therapy with agents targeting KRAS G12C mutation (e.g., AMG 510). 3. Active brain metastases.