• Yuxin Cai, Lijuan Sui, Jingjing Wang, Weilin Qian, Yeheng Peng, Luyao Gong, Weijia Wu, and Yuan Gao.
• Department of Clinical Pharmacy and Regulatory Science, School of Pharmacy, Fudan University, Shanghai, 201206, China.
• Bmc Med. 2024 Sep 27; 22 (1): 421421.

BackgroundCell and gene therapy products (CGTPs) often receive accelerated approvals, lacking comprehensive long-term safety and efficacy data, which can raise significant safety concerns. This research aims to study the post-marketing surveillance (PMS) of CGTPs in the European Union (EU), the United States (US), Japan, South Korea, and China, to offer insights for the development of a secure and standardized post-marketing regulatory framework for CGTPs.MethodsRelated regulations and the implementation effect of PMS for approved CGTPs were studied searching PubMed, CNKI, and the official websites of the European Medicines Agency, the US Food and Drug Administration, Japan's Pharmaceuticals and Medical Device Agency, South Korea's Ministry of Food and Drug Safety, and the National Medical Products Administration of China.ResultsCompared to those in China, the guidelines of PMS for CGTPs in the EU, the US, Japan, and South Korea was more comprehensive. Notably, the EU had dedicated regulations and supporting guidelines of PMS. Of the 26 CGTPs approved in the EU, 88% were under additional monitoring, 38% received conditional marketing authorization, and 12% were authorized under exceptional circumstances, with 77% designated as orphan drugs. The US had released 34 guidelines specifically for CGTPs which, forming the foundation of post-marketing risk management. Among the 27 CGTPs approved in the US, 22% were required to perform risk evaluation and mitigation strategies, 37% added black box warnings in the package inserts, 63% mandated to post-marketing requirements, and 15% subject to post-marketing commitments. In Japan, stringent supervision measures encompassing all-case surveillance (79%) and re-examination (53%) were applied to the 19 approved CGTPs, with 21% approved through conditional and time-limited approval. The PMS for CGTPs in South Korea, mainly included PSUR, re-examination, and re-evaluation. China had introduced several relevant regulations, which consisted of general statements and lacked detailed guidance.ConclusionsThis study demonstrates that the regulatory policies of PMS for CGTPs in the EU, the US, Japan, and South Korea were comprehensive. The implementation of PMS for CGTPs in the EU, the US, and Japan was well developed. This knowledge holds valuable insights for China's future learning and development in this field.© 2024. The Author(s).

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