ANTI-TUMOR EFFECT POTENTIATOR

摘要

An anti-tumor effect potentiator comprising, as an active ingredient, a uracil compound represented by formula (I) (wherein X represents a C1-5 alkylene group, wherein at least one of methylelen groups that constitute the alkylene group may be substituted by an oxygen atom; R1 represents a hydrogen atom or a C1-6 alkyl group; R2 represents a hydrogen atom or a halogen atom; and R3 represents a C1-6 alkyl group, a C2-6 alkenyl group, a C3-6 cycloalkyl group, a (C3-6 cycloalkyl)-(C1-6 alkyl) group, a halogeno-(C1-6 alkyl) group or a saturated heterocyclic group) or a pharmaceutically acceptable salt thereof.