Core 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]

香港交易及結算所有限公司及香港聯合交易所有限公司對本公告的內容概不負責，對其準確性或完 整性亦不發表任何聲明，並明確表示，概不對因本公告全部或任何部份內容而產生或因倚賴該等內 容而引致的任何損失承擔任何責任。 目前，全球尚無同靶點藥物獲批上市。本集團將探索TQB3122在晚期實體瘤中的安全性與療效，有 望為全球患者提供新的治療選擇。 承董事會命 中國生物製藥有限公司 主席 謝其潤 香港，二零二五年八月十一日 1 （於開曼群島註冊成立之有限公司） 網站：www.sinobiopharm.com （股份編號：1177） 自願公告 TQB3122「PARP1抑制劑」臨床試驗申請獲NMPA受理 中國生物製藥有限公司（「本公司」，連同其附屬公司統稱「本集團」）董事會（「董事會」）宣佈，本集團自 主研發的創新藥TQB3122「PARP1抑制劑」的新藥臨床試驗申請(IND)已獲得中國國家藥品監督管理局 (NMPA)受理，擬用於治療晚期惡性腫瘤。 TQB3122是一款具有高選擇性和血腦屏障穿透能力的PARP1抑制劑，通過雙重機制發揮抗腫瘤作 用：一方面，競爭性抑制PARP1酶的催化活性，阻斷DNA單鏈斷裂修復；另一方面，通過 ...