Gan to kagaku ryoho. Cancer & chemotherapy
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Of late, there has been rapid development of chemotherapeutic agents for treating metastatic colorectal cancers. However, the so-called "druglag" is a long-standingproblem; it refers to the drugapproval delays in Japan that occur after drugs have been developed and approved in Europe and the USA. ⋯ Data from the global phase III RECOURSE trial were presented in the ESMO-GI 2014, where the efficacy of TAS-102 was proved again. Herein, we present data about the efficacy and side effects of TAS-102 from each clinical trial.