Ge Long Hui·2025-08-11 12:34Core Viewpoint - China Biopharmaceutical's innovative drug TQB3122, a PARP1 inhibitor, has received acceptance for clinical trial application from the National Medical Products Administration (NMPA) in China, aimed at treating advanced malignant tumors [1] Group 1: Drug Development - TQB3122 is characterized by high selectivity and the ability to penetrate the blood-brain barrier, providing a dual mechanism for anti-tumor action [1] - The drug works by competitively inhibiting the catalytic activity of the PARP1 enzyme, blocking DNA single-strand break repair, and stabilizing the DNA-PARP complex to hinder replication fork progression [1] - TQB3122 selectively targets and kills tumor cells with BRCA mutations or homologous recombination deficiencies based on the principle of "synthetic lethality" [1] Group 2: Clinical Potential - Research indicates that TQB3122 shows significant efficacy across multiple tumor models and has outstanding distribution capabilities in brain tissue, making it a potential new option for treating intracranial tumors [1] - Currently, there are no approved drugs targeting the same pathway globally, positioning TQB3122 as a unique therapeutic candidate [1] - The company aims to explore the safety and efficacy of TQB3122 in advanced solid tumors, potentially providing new treatment options for patients worldwide [1]