Efficacy and Safety of Two Dosing Regimens of Tadalafil and Patterns of Sexual Activity in Men with Diabetes Mellitus and Erectile Dysfunction: Scheduled Use vs. On‐Demand Regimen Evaluation (SURE) Study in 14 European Countries

Tadalafil, when taken on demand or three times per week, is efficacious and safe in men with diabetes and ED. Buvat J, van Ahlen H, Schmitt H, Chan M, Kuepfer C, and Varanese L. Efficacy and safety of two dosing regimens of tadalafil and patterns of sexual activity in men with diabetes mellitus and erectile dysfunction: Scheduled use vs. on‐demand regimen evaluation (SURE) study in 14 European countries. J Sex Med 2006;3:512-520.