COMPARATIVE STUDY
JOURNAL ARTICLE
MULTICENTER STUDY
RANDOMIZED CONTROLLED TRIAL

Vardenafil improved patient satisfaction with erectile hardness, orgasmic function and sexual experience in men with erectile dysfunction following nerve sparing radical prostatectomy

Ajay Nehra, John Grantmyre, Andrea Nadel, Marc Thibonnier, Gerald Brock
Journal of Urology 2005, 173 (6): 2067-71
15879836

PURPOSE: Nerve sparing radical retropubic prostatectomy (NS-RRP) results in erectile dysfunction in a significant number of patients. Vardenafil, a potent and selective phosphodiesterase type 5 inhibitor, is generally safe. It improves International Index of Erectile Function erectile function domain scores, and penetration and erection maintenance success rates in patients who have undergone NS-RRP. We report additional parameters important to patient perceptions regarding erection quality and satisfaction with sexual experience following NS-RRP.

MATERIALS AND METHODS: A total of 440 men at 58 centers throughout the United States and Canada participated in this randomized, placebo controlled, double-blind trial with 3 phases, namely baseline (4-week untreated period), treatment (12 weeks) and followup (7 days). Participants received placebo (145), 10 mg vardenafil (146) or 20 mg vardenafil (149) at home on demand but no more than once per calendar day. Efficacy and satisfaction with erection quality and sexual experience were determined during the trial.

RESULTS: The 10 and 20 mg vardenafil doses were significantly superior to placebo for the International Index of Erectile Function domains for intercourse satisfaction, orgasmic function and overall satisfaction with sexual experience (vs placebo p <0.0009). Significant improvement in the satisfaction rate with erection hardness were demonstrated for each vardenafil dose compared with placebo (p <0.0001). Vardenafil was generally well tolerated. Common adverse events were headache, vasodilatation and rhinitis.

CONCLUSIONS: In this difficult to treat population of men with erectile dysfunction subsequent to NS-RRP on demand treatment with vardenafil during a 3-month period significantly improved key aspects of the sexual experience important to patient quality of life.

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