A preventive and / or therapeutic agent for peripheral symptoms associated with neurodegenerative diseases or impulsive symptoms associated with psychiatric disorders, containing brexpiprazole or a salt thereof

摘要

The present invention relates to a prophylactic and/or therapeutic agent for behavioral and psychological symptoms associated with neurodegenerative disease or impulsive symptoms associated with mental disease, which contains 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one or a salt thereof as an active ingredient.