EFFICACY ENHANCING AGENT FOR ANTICANCER DRUG

摘要

A novel efficacy enhancing agent for anticancer drug that realizes reduction of the usage of expensive anticancer drugs posing the problem of tolerance emergence, etc. and that is capable of strikingly enhancing the antitumor activity, especially leukemic cell multiplication inhibiting activity, of anticancer drug. There are provided an efficacy enhancing agent for anticancer drug, comprising a tea catechin as an active ingredient; such an efficacy enhancing agent for anticancer drug, wherein the anticancer drug is a therapeutic agent for leukemia; such an efficacy enhancing agent for anticancer drug, wherein the therapeutic agent for leukemia is imanitib and/or daunorubicin; and such an efficacy enhancing agent for anticancer drug, wherein the tea catechin is at least one member selected from the group consisting of catechin gallate, epicatechin gallate, gallocatechin gallate and epigallocatechin gallate.