Agent for the treatment of bladder irritative symptoms accompanied by benign prostatic hyperplasia

摘要

The present invention provides an agent for the treatment of bladder irritative symptoms accompanied by benign prostatic hyperplasia, comprising, as an active ingredient, a compound having a slowly-inactivating A-type K⁺ channel opening activity or a pharmaceutically acceptable salt thereof, and a method for screening agents for the treatment of bladder irritative symptoms accompanied by benign prostatic hyperplasia, comprising measuring a slowly-inactivating A-type K⁺ channel opening activity as an index.