ORIGINAL RESEARCH-COUPLES' SEXUAL DYSFUNCTION: Vardenafil Improves Sexual Function and Treatment Satisfaction in Couples Affected by Erectile Dysfunction (ED): A Randomized, Double‐Blind, Placebo‐Controlled Trial in PDE5 Inhibitor‐Naïve Men with ED

Vardenafil improved sexual function to the extent that both patients and their partners expressed a considerable and agreed level of satisfaction with treatment. Edwards D, Hackett G, Collins O, and Curram J. Vardenafil improves sexual function and treatment satisfaction in couples affected by erectile dysfunction (ED): A randomized, double‐blind, placebo‐controlled trial in PDE5 inhibitor‐naïve men with ED and their partners. J Sex Med 2006;3:1028-1036.