Penile Curvature or Peyronie's Disease is an abnormal bend in the penis that occurs during erection. A man with Peyronie's Disease has calcified or hardened tissues in his member restricting the penis from expanding during an erection. This results in a curvature at that point of restriction. Though penile curvature cannot cause physical harm, it can be painful and have an important detrimental effect on your sex life.

Let's review the nature and results of three scientific studies conducted on conditions associated with penile curvature and Peyronie's disease.

Study #1 : Can an External Penis Stretcher Reduce Peyronie's Penile Curvature ?

Results published at the 2nd European Congress of Andrology. European Academy of Andrology in Malmö, Sweden on September 19-22, 2002.

The study was performed by the Andrology Service, Ospedale SanPaolo Polo Universitario, Milano (Italy) and the Andrology Unit, Dip. Fisiopat. Clin., Università di Firenze, Firenze (Italy).

Peyronie's fibrotic lesions frequently affect the dorsal tunica albuginea and the septum of the penis leading to penile deformity and pain during erection. The aim of the study was to investigate the efficacy of mechanical penile stretching to reduce penile deformity during erection.

Ten patients (average age 57 yrs.) affected by Peyronie's disease, apparently unmodified at least for the latest 3 months and causing penile curvature during erection were trained to use a mechanical penis stretcher. None of them complained about erectile dysfunction and penile pain. Patients were subjected to daily home penis stretcher application for a minimum of 4 hours per day for 3 to 6 months. At the end of the treatment results indicated an increase in penile length and a decrease in curvature with all patients. The treatment was well tolerated (no severe complication and no drop out occurred). These results suggest a promising use of a penis stretcher in selected Peyronie's patients affected by penile curvature without erectile dysfunction or calcific plaques.

Study #2 : Treatment with penile retraction in evolutive Peyronie's disease with external penis stretching

Results published at the 5th Congress of the European Society for Sexual and Impotence Research (ESSIR) in Hamburg, Germany on December 1-4, 2002. The scientific study was also published in the international Journal of Impotence Research (vol. 14, suppl. 4, December2002).

The study was performed by the Andrology Service of the SanPaolo Hospital University of Milan, Italy.

One of the major complaints of Peyronie's disease is penile retraction. The aim of this study was to verify the efficacy of mechanical penile stretching in evolutive Peyronie's disease. Twenty-two men (age: 18-78 years) suffering from Peyronie's disease at different stages of penile retraction were enrolled and followed-up. The penis stretcher device was used, on average, for 5 hours/day, for 3 months. No adverse side effects occurred. The data collected indicated that the stretched penis elongation increased at the end of the treatment and researchers concluded that penis stretching is effective in Peyronie's disease treatment, especially at the stage of severe penile retraction.

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