ASH 2025 | Ascentage Pharma Presents Encouraging Data from Phase Ib/II Study of Bcl-2 Inhibitor Lisaftoclax in Venetoclax–Exposed Patients with Myeloid Malignances
Globenewswire·2025-12-08 01:10

Core Viewpoint - Ascentage Pharma presented promising results from a Phase Ib/II study of Lisaftoclax in combination with azacitidine for treating myeloid malignancies at the 67th ASH Annual Meeting, highlighting its potential to address unmet medical needs in patients resistant to venetoclax [1][2][3]. Company Overview - Ascentage Pharma Group International is a global biopharmaceutical company focused on developing novel therapies for cancer, with a strong pipeline including Lisaftoclax, Olverembatinib, and APG-5918 [12][14]. Clinical Study Highlights - The study presented at ASH 2025 demonstrated a 31.8% overall response rate (ORR) in venetoclax-resistant patients and an 80% ORR in newly diagnosed high-risk MDS/CMML patients [6][15]. - The combination of Lisaftoclax and azacitidine showed a strong safety profile with no dose-limiting toxicities reported across all patient cohorts in the study involving 103 patients [10][15]. Drug Mechanism and Approval Status - Lisaftoclax is an orally administered Bcl-2 selective inhibitor that restores apoptosis in cancer cells and is currently approved in China for CLL/SLL patients who have received prior systemic therapy [4][14]. - The company is conducting four global registrational Phase III studies for Lisaftoclax across multiple indications, including CLL/SLL, AML, and MDS [4][16]. Expert Commentary - The Chief Medical Officer of Ascentage Pharma emphasized the therapeutic potential of Lisaftoclax for newly diagnosed or venetoclax-exposed patients, aiming to improve clinical management of myeloid malignancies [5].