To assess the efficacy of mirabegron in the treatment of erectile dysfunction concomitant with lower urinary tract symptoms in benign prostatic obstruction patients.

In this randomized controlled trial, 55 sexually active lower urinary tract symptoms/benign prostatic obstruction patients with concomitant erectile dysfunction were randomly allocated in two groups: the first received mirabegron 50 mg plus doxazosin 2 mg once daily (mirabegron group) and the second received tolterodine 4 mg plus doxazosin 2 mg (tolterodine group) for 12 weeks.