ASH 2025 | Ascentage Pharma Presents Four-Year Follow-Up Data from Registrational Phase II Study of Olverembatinib, Reaffirming Differentiated Long-Term Efficacy and Safety in TKI-Resistant/Intolerant CML-CP

ROCKVILLE, Md. and SUZHOU, China, Dec. 08, 2025 (GLOBE NEWSWIRE) -- Ascentage Pharma Group International (NASDAQ: AAPG; HKEX: 6855), a global, commercial stage, integrated biopharmaceutical company engaged in the discovery, development and commercialization of novel, differentiated therapies to address unmet medical needs in cancer, announced that it presented four year follow-up data from its randomized controlled, registrational Phase II study of Olverembatinib in patients with tyrosine kinase inhibitor (TKI)-resistant/intolerant chronic-phase chronic myeloid leukemia (CML-CP), in a poster presentation at the 67th American Society of Hematology (ASH) Annual Meeting, being held in Orlando, Florida. Building on results released in an oral presentation at ASH 2023, these data reaffirm Olverembatinib’s differentiated long-term efficacy and safety.