The market for copy biologicals in China has significantly grown over the past decade. The government has been actively promoting the development and use of copy biologicals as a way to improve access to affordable health care. As a result, the number of pharmaceutical companies developing copy biologicals has also increased rapidly and is expected to continue to grow in the coming years.
China has over 60 pharmaceutical companies involved in the development of copy biologicals products. Representative companies include Biotech, Chiatai Tianqing, Henlius, Hisun, Hualan Bio, Innoventbio, Mabpharm and Qilu Pharmaceutical. Table 1 shows the list of biosimilar monoclonal antibodies (mAbs) of these companies. Henlius and Innoventbio have the most biosimilar products on the market, however, Innoventbio has fewer biosimilars than other companies [1].
Table 1: Copy biologicals products and their representative companies in China
In the US and the European Union (EU), the development of biosimilar products is equally rapid. In terms of biosimilar mAbs, a large number of biosimilar products were approved by US Food and Drug Administration (FDA) and the European Medicines Agency (EMA) [2-3]. The biosimilar markets in the EU and the US are more competitive and energetic than that of China.
In China, the regulatory body for the approval of medicines, including biologicals, is the National Medical Products Administration (NMPA), formerly the China Food and Drug Administration (CFDA) [4].
FDA and NMPA have similar requirements in the development of biosimilars. Comparative data evaluated from a systematic process consisting of pharmaceutical studies, non-clinical studies (animal studies) and clinical studies should be provided by the manufacturer of a proposed biosimilar. FDA and NMPA both allow biosimilars to be approved for indications without direct studies, but extrapolation is not automatic. NMPA requires simultaneous fulfilment of certain conditions for indication extrapolation.
As one of the fastest-growing markets for biosimilars due to its large population and increasing demand for affordable biological drugs, Chinese government has introduced new regulations that provide stronger patent protections for biosimilar mAbs.
Editor’s comment
European Medicines Agency regulatory requirements ensure the same high standards of quality, safety and efficacy for biosimilars as for originator biologicals, and also include a rigorous comparability exercise with the reference product but they are not universally accepted by regulatory bodies outside of the European Union (EU). It should be noted that copy biologicals approved in China might not have been authorized if they had been subjected to the strict regulatory processes required for approval of biosimilars in the EU.
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References
1. Liu J-W, Yang Y-H, Wu N, Wei J-F. Biosimilar monoclonal antibodies in China: a patent review. Bioengineered. 2022;13(6):14503-18.
2. GaBI Online - Generics and Biosimilars Initiative. Biosimilars approved in the US. [www.gabionline.net]. Mol, Belgium: Pro Pharma Communications International; [cited 2023 Jun 20]. Available from:
www.gabionline.net/biosimilars/general/biosimilars-approved-in-the-us
3. GaBI Online - Generics and Biosimilars Initiative. Biosimilars approved in Europe. [www.gabionline.net]. Mol, Belgium: Pro Pharma Communications International; [cited 2023 Jun 20]. Available from:
www.gabionline.net/biosimilars/general/biosimilars-approved-in-europe
4. GaBI Online - Generics and Biosimilars Initiative. Copy biologicals approved in China [www.gabionline.net]. Mol, Belgium: Pro Pharma Communications International; [cited 2023 Jun 20]. Available from: www.gabionline.net/biosimilars/general/copy-biologicals-approved-in-china
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