ASH 2025 | Ascentage Pharma Presents First Dataset from Phase III POLARIS-1 Study of Olverembatinib in Newly Diagnosed Ph+ ALL Shows a Best MRD-Negativity CR Rate Exceeding 60%

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 has presented the first dataset from the global registrational Phase III study (POLARIS-1) of the company’s novel, investigational drug, Olverembatinib (HQP1351), in combination with low-intensity chemotherapy in patients with newly diagnosed Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph⁺ ALL), in a poster presentation at the 67th American Society of Hematology (ASH) Annual Meeting, being held in Orlando, Florida.