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Urology. 1993 Jul;42(1):73-5.

Intraurethral prostaglandin E-2 cream: a possible alternative treatment for erectile dysfunction.

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  • 1Department of Surgery, Harbor-UCLA Medical Center, UCLA School of Medicine, Torrance.


Prostaglandin E-2 (PGE-2) is an oxytocic agent in suppository form with vasodilatory effects similar to prostaglandin E-1 (PGE-1). Because some men find intracavernosal injections disagreeable, we investigated whether intraurethral PGE-2 may provide an alternative method for treating erectile dysfunction. A PGE-2 cream was made using PGE-2 suppositories (20 mg or 40 mg), 10 cc of 2% lidocaine (Xylocaine) jelly, and 40 cc of surgical lubrication. Two cc of the cream was instilled into the urethral meatus using a syringe, the cream was massaged down the urethra, and the urethra was occluded for five minutes. Treatment response was rated as no penile tumescence, partial tumescence, and full tumescence. Overall, 70 percent showed a response and 30 percent had full penile tumescence. Two of 4 men who had no tumescence using PGE-2 had a subsequent full tumescence using intracavernosal PGE-1 (15 mg), while 3 of 4 men with a partial tumescence with PGE-2 had a subsequent full tumescence using intracavernosal PGE-1 (15 mg). These data demonstrate that full penile tumescence may be achieved in impotent men using intraurethral PGE-2 cream. This pilot study supports the necessity for further investigations in a randomized double-blind manner in the use of intraurethral PGE-2 cream as a less invasive treatment alternative for erectile dysfunction.

[PubMed - indexed for MEDLINE]
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