Summit Touts Updated HARMONi Data Showing Consistent Survival Benefit for Ivonescimab in Western NSCLC Patients on July 26, 2026 EGFR-mutated HARMONi trial Hazard Ratio Ivonescimab Non-Small Cell Lung Carcinoma Overall Survival PD-1/VEGF bispecific Progression-Free Survival regulatory approval Western patients +