Patent ID: 8883759

Claim:
An anti-tumor drug, comprising an anti-tumor agent and a uracil compound represented by formula (I) or a pharmaceutically acceptable salt thereof: wherein: X represents a C 1-5 alkylene group, such that one methylene group is optionally substituted with an oxygen atom; R 1 represents a hydrogen atom or a C 1-6 alkyl group; R 2 represents a hydrogen atom or a halogen atom; R 3 represents a C 1-6 alkyl group, a C 2-6 alkenyl group, a C 3-6 cycloalkyl group, a (C 3-6 cycloalkyl) C 1-6 alkyl group, a halogeno-C 1-6 alkyl group or a saturated heterocyclic group; and the anti-tumor agent is an antimetabolite.