How to Evaluate the Efficacy of the Phosphodiesterase Type 5 Inhibitors

Comparison between PDE5Is using both subjective and objective parameters will permit to individuate, on the basis of the evidence, the subset of couples where one drug, or one dose, or dose regimen, is to be considered of first choice. Jannini EA, DeRogatis LR, Chung E, and Brock GB. How to evaluate the efficacy of the phosphodiesterase type 5 inhibitors. J Sex Med 2012;9:26-33.