AGENT FOR REDUCING ADVERSE SIDE EFFECTS OF KINASE INHIBITOR

摘要

The present invention relates to: an agent for reducing adverse side effects, which contains at least one branched amino acid selected from isoleucine, leucine and valine or a salt of the branched amino acid as an active ingredient and can reduce the adverse side effects of a kinase inhibitor; and an anti-cancer medicinal agent which comprises at least one branched amino acid selected from isoleucine, leucine and valine or a salt of the branched amino acid and a kinase inhibitor.