Phase II Study of Platinum (Cisplatin/Carboplatin)and Polymeric Micelles Paclitaxel(Pm-Pac) With Ivonescimab in First Line Metastatic Squamous NSCLC.

Ivonescimab(20mg/kg) combined with paclitaxel polymeric micelles (≤300mg/㎡) and platinum(cisplatin 75mg/㎡or carboplatin AUC5) IV every 3 weeks for 4 cycles.If patient assessment is of clinical benefit, maintenance therapy with ivonescimab or plus polymeric micelles paclitaxel(≤230mg/m\^2) can be continued based on investigator's evaluation and patient's own choice until disease progression or unacceptable toxicity. Ivonescimab is administered first, followed by paclitaxel polymeric micelles and platinum.The maximum treatment duration of ivonescimab and polymeric micelles paclitaxel is 24 months.