Background This multicenter, randomized, double-blind, double-dummy, placebo-controlled trial primarily evaluated the efficacy of tadalafil once-daily (OaD) or on-demand ("pro-re-nata"; PRN ...

Tadalafil may improve lower urinary tract symptoms in men with benign prostatic hyperplasia. Tadalafil may improve lower urinary tract symptoms in men with benign prostatic hyperplasia (BPH ...