Neoadjuvant/Adjuvant Cadonilimab Plus Chemotherapy in Patients With Resectable PD-L1 Negative NSCLC

This study is design to prospectively investigate the safety and efficacy of cadonilimab combined with chemotherapy in patients with resectable IB (≥ 4cm) - IIIB (N2) stage PD-L1 negative NSCLC. This is a single-institution, single-arm phase 2 clinical trial. Patients will receive 3 cycles of neoadjuvant chemotherapy. The surgery was performed 3-6 weeks after the completion of neoadjuvant chemotherapy. After surgery patients could receive up to 12 months of adjuvant chemotherapy.