Clinical Trial of AMG510 in Stage III Unresectable NSCLC KRAS p.G12C Patients and Ineligible for Chemo-radiotherapy

This is an open-label, non-randomized, exploratory, phase II multi-centre clinical trial.The total sample size is 43 patients. The population to be included are unresectable stage III (IIIA-N2, IIIB, IIIC) KRAS p.G12C non-small cell lung cancer patients. Patients randomised will receive AMG510 (Sotorasib) 960mg once daily for 2 cycles (Q4W) in the induction phase and AMG510 (Sotorasib) 960 mg once daily (Q4W) in the treatment post-induction phase. Treatment post-induction phase only for patients with SD, PR or CR after induction treatment. This treatment will be administered until progression disease (PD), unacceptable toxicity, patient or physician's decision to discontinue or death. The primary objective is to assess the efficacy of induction treatment of AMG510 (Sotorasib) plus AMG510 (Sotorasib) treatment post-induction as measured by Progression Free Survival at 12 (PFS12) months according to Response Evaluation Criteria in Solid Tumors (RECIST) version PFS are defined as the time from inclusion until objective tumor progression or death. Patient accrual is expected to be completed within 5 years and a half, treatment is planned to extend for 1.5 years and the patients will be followed up for 2 years. The study will end once survival follow-up has concluded.