HARMONi-6 Demonstrates Significant Overall Survival Benefit (HR=0.66): Ivonescimab Plus Chemotherapy Superior to PD-1 Plus Chemotherapy in First-Line sq-NSCLC Landmark Results to Be Presented at ASCO 2026 Plenary Session

CHICAGO, May 31, 2026 /PRNewswire/ -- Akeso, Inc. (9926.HK) ("Akeso" or the "Company") today announced that ivonescimab, the Company's first-in-class PD-1/VEGF bispecific antibody, has achieved a statistically significant and clinically meaningful improvement in overall survival (OS) as a first-line treatment for patients with advanced squamous non-small cell lung cancer (sq-NSCLC) in the Phase III HARMONi-6 (AK112-306) study. These landmark findings will be featured in a Plenary Session at the