Plethora Solutions Ltd.

This study is being done to test the effect of PSD502 (the study medication) compared to placebo in subjects with premature ejaculation. PSD502 is a topical (applied to skin) anesthetic spray containing a mixture of two drugs called lidocaine and prilocaine that will be applied to the penis. Half of the subjects will receive PSD502 and half will receive placebo.

A phase I, single-center, double-blind, randomized, placebo-controlled, safety and pharmacokinetic study to evaluate systemic and local vaginal exposure to lidocaine and prilocaine and the metabolites, 2,6-dimethylaniline (2,6-DMA) and o-toluidine, in female healthy volunteer subjects following daily application of 60 mg PSD502 or placebo to the vagina and cervix for seven days

A Phase I, Single-Centre, Double-Blind, Randomised, Placebo-Controlled, Parallel Group, Pharmacokinetic and Safety Study to Evaluate Systemic Exposure and Local Vaginal Exposure to Lidocaine and Prilocaine and the Metabolites 2,6 DiMethylAlanine (2, 6, DMA) and O-Toluidine; and the Safety and Tolerability of PSD502 in Female Healthy Volunteer Subjects Following Daily Application to the Vagina and Cervix for Seven Days With Three Different Doses of PSD502 or Placebo