Study of Cadonilimab Combined With Bevacizumab and Standard Chemotherapy as First Line Therapy in Unresectable Pleural Mesothelioma

Cadonilimab 10mg/kg intravenous (IV) every 3 weeks + Bevacizumab 7.5mg/kg IV every 3 weeks + Pemetrexed 500 mg/m² IV every 3 weeks + Carboplatin AUC 5 IV every 3 weeks for 4 to 6 cycles, followed by maintenance with Cadonilimab 10mg/kg IV every 3 weeks + Bevacizumab 7.5mg/kg IV every 3 weeks