Core Viewpoint - Tian Tan Biological announced the withdrawal of the drug registration application for "Recombinant Human Coagulation Factor VIIa" by its subsidiary Chengdu Rongsheng Pharmaceutical Co., Ltd. due to the need for additional clinical trial data for pediatric patients under 12 years old [1] Group 1: Company Actions - The product's market authorization application was submitted to the National Medical Products Administration (NMPA) on January 2025 and received an acceptance notice [1] - Following the NMPA's review comments, Chengdu Rongsheng decided to withdraw the drug registration application to supplement the required clinical data [1] - The company plans to resubmit the drug registration application after completing the necessary clinical trials [1] Group 2: Impact on Business - The announcement states that the withdrawal of the drug registration application will not have a significant impact on the company's operating performance [1] - The company must complete the clinical trial data and pass the review and approval processes to achieve production and market sales [1] Group 3: Industry Considerations - The announcement highlights the long-term and uncertain nature of drug development, indicating potential risks for investors [1]
天坛生物:下属企业成都蓉生药业撤回注射用重组人凝血因子Ⅶa药品注册申请