Phase II Clinical Study of JS207 (PD-1/VEGF Bispecific Antibody) Combination Therapies in Patients With Driver Gene-Positive, Advanced Non-Small Cell Lung Cancer After Failure of TKI Therapy
This study targets patients with advanced NSCLC driven with positive driver genes who have failed TKI treatment, enrolling 66-78 participants. Cohort1 :Patients will receive JS207 (10 or 15 mg/kg, IV, d1) + pemetrexed (500 mg/m², IV, d1) + platinum-based chemotherapy (carboplatin Area Under the Curve(AUC)5 or cisplatin 75 mg/m², d1) every 3 weeks for 4 cycles. Afterward, JS207 and pemetrexed will continue as maintenance therapy until discontinuation criteria are met. Cohort2 :The treatment received was JS207 (10mg/kg, intravenous, on day 1) + JS212 (4.2mg/kg or another SMC-selected dose, intra