Daily Vardenafil For 6 Months Has No Detrimental Effects On Semen Characteristics Or Reproductive Hormones In Men With Normal Baseline Levels

UroToday.com - This a randomized, double-blind, placebo controlled, parallel group, multicenter study involving 200 men with or without erectile dysfunction. Men (25-64 years of age) did not have ejaculatory dysfunction. Subjects were randomized to daily treatment with vardenafil, sildenafil or placebo for 6 months.