Access to anticancer drugs has been a critical health issue in China for many years. We retrospectively analyzed the novel anticancer drugs approved in the United States (US) between 2010 and 2021 to assess the evolving landscape of the drug lags in China by taking Japan and the European Union (EU) as comparisons. The absolute and relative lags of drug initial approval (DIA) and indication approval were calculated between China (or Japan/European Union) and the US based on the US approval date of novel agents, the duration was divided into 2010-2015 and 2016-2021. Overall, 123 (244 indications) new molecular entities (NMEs) approved in the United States were included, of which 58 (94 indications), 72 (128 indications), and 99 (170 indications) NMEs were also approved in China, Japan, and the European Union, respectively. The absolute lags of DIA and indications for approval in China improved dramatically in 2016-2021 compared with 2010-2015. Similarly, the relative DIA and indication approval lags in China decreased significantly in 2016-2021. The median review lags for DIA of China in 2016-2021 were comparable to Japan but dramatically lower than that of the European Union. Nevertheless, China had significantly longer median submission lags for DIA (28 months) in 2016-2021 than that of Japan (6 months) and the European Union (1 month). Although the absolute and relative lags of anticancer drugs in China had been initially addressed, 53% of NMEs and 61% of indications were still not approved for cancers in China compared with the United States. Therefore, China should adopt steps to further reduce drug lags.
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