Ascentage Pharma Group International, a clinical-stage biotechnology company, develops therapies for cancers, chronic hepatitis B virus (HBV), and age-related diseases in Mainland China. The company's primary product candidate is HQP1351, a BCR-ABL inhibitor targeting BCR-ABL1 mutants, including those with the T315I mutation. It also develops APG-2575, an oral administered Bcl-2 selective inhibitor for hematologic malignancies and solid tumors; APG-115, an oral small molecule inhibitor of the MDM2-p53 protein-protein interactions to treat solid tumors and hematological malignancies; and APG-1252, a small molecule drug to restore apoptosis through dual inhibition of the Bcl-2 and Bcl-xL proteins for the treatment of small-cell lung cancer, non-small cell lung cancer, neuroendocrine tumor, and non-Hodgkin's lymphoma.