Efficacy & Safety of Single Dose Alprostadil Cream (2 Concentrations Enhancer) to Vehicle in Men w/Erectile Dysfunction

A Study to Assess the Relative Efficacy and Safety of a Single Dose of Alprostadil Cream Combined With 2 Concentrations of WC3036 Compared to Vehicle in Subjects With Erectile Dysfunction

The purpose of this study is to assess the safety & efficacy of a single dose of alprostadil cream with 2 concentrations of WC3036 compared to vehicle alone in men with erectile dysfunction.

Inclusion Criteria:

• Male subject aged 40 or older of any race
• History of ED (erectile dysfunction) of at least 3 months duration defined as inability to attain & maintain an erection of the penis sufficient to permit satisfactory sexual intercourse
• Completed and signed informed consent prior to any study related procedures

Exclusion Criteria:

• History/presence any significant disease that Investigator feels will interfere with course of the study
• Anatomic deformity of penis
• History/presence alcoholism or drug abuse/dependence within past 2 years (discretion of Investigator)
• Participation in investigational study drug trial within 30 days prior to randomization