In vitro measurement of ejaculation latency time (ELT) and the effects of vardenafil on ELT on lifelong premature ejaculators: placebo-controlled, double-blind, cross-over laboratory setting

Abstract

This laboratory design might be used to evaluate the effects of drugs on patients with ejaculation disorders. In this laboratory setting study, vardenafil exerted a threefold increase in ejaculation delay outside the vagina in patients with lifelong PE.