Xin Lang Zheng Quan·2025-07-16 01:33Core Insights - The FDA has publicly released 202 drug approval rejection letters (CRLs), exposing the failure records of global pharmaceutical companies, including four Chinese firms [1][2] - The transparency brought by the CRL publication is expected to reshape industry standards and compel companies to improve compliance and clinical design [4] Group 1: Chinese Pharmaceutical Companies' Rejections - Zhejiang Innovation Biotech faced three rejections for its Vancomycin injection due to non-compliance in production facilities and significant safety report omissions [3] - Luye Pharma's Risperidone injection was rejected twice due to severe safety concerns, including unexplained spikes in blood drug concentration during key clinical trials [3] - Baiji Shenzhou's Bevacizumab biosimilar failed due to flaws in analytical methods, leading to the dismissal of key efficacy data and multiple quality control issues [3] - Kangfang Biotech's Pembrolizumab was blocked due to insufficient clinical data and unstable production cell lines, although it later received approval for two indications after addressing the FDA's concerns [3] Group 2: Industry Implications - The cases highlight common weaknesses among Chinese pharmaceutical companies, such as clinical design flaws, quality control lapses, and insufficient bioequivalence evidence [4] - The experience of Kangfang Biotech demonstrates that CRLs are not the end; companies can successfully reverse decisions by providing additional data [4] - The shift from a "black box" to a "glass house" in the approval process necessitates that Chinese firms integrate compliance awareness throughout the entire R&D chain to gain lasting trust in global markets [4]