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Gene therapy as future treatment of erectile dysfunction.

06:00 EDT 29th July 2010 | BioPortfolio

Summary of "Gene therapy as future treatment of erectile dysfunction."

Importance of the field: Erectile dysfunction (ED) is a major men's health problem. Although the high success rate of treating ED by phosphodiesterase 5 (PDE5) inhibitors has been reported, there are a significant number of ED patients who do not respond to currently available treatment modalities. Areas covered in this review: To elucidate the current status of gene therapy applications for ED, gene therapy approaches for ED treatment are reviewed. What the reader will gain: Gene therapy strategies that can enhance nitric oxide (NO) production or NO-mediated signaling pathways, growth factor-mediated nerve regeneration or K(+) channel activity in the smooth muscle could be promising approaches for the treatment of ED. Although the majority of gene therapy studies are still in the preclinical phase, the first clinical trial using non-viral gene transfer of Ca(2+)-activated, large-conductance K(+) channels into the corpus cavernosum of ED patients showed positive results. Take home message: Gene therapy represents an exciting future treatment option for ED, especially for people with severe ED unresponsive to current first-line therapies such as PDE5 inhibitors although the long-term safety of both viral and non-viral gene therapies should be established.

Affiliation

University of Pittsburgh School of Medicine, Department of Urology, Suite 700 Kaufmann Medical Building, 3471 Fifth Avenue, Pittsburgh, PA 15213, USA +1 412 692 4137 ; +1 412 692 4380 ; nyos@pitt.edu.

Journal Details

This article was published in the following journal.

Name: Expert opinion on biological therapy
ISSN: 1744-7682
Pages:

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Medical and Biotech [MESH] Definitions

Surgical insertion of cylindric hydraulic devices for the treatment of organic ERECTILE DYSFUNCTION.

The inability in the male to have a PENILE ERECTION due to psychological or organ dysfunction.

A plant alkaloid with alpha-2-adrenergic blocking activity. Yohimbine has been used as a mydriatic and in the treatment of ERECTILE DYSFUNCTION. It is also alleged to be an aphrodisiac.

Inability to achieve and maintain an erection (ERECTILE DYSFUNCTION) due to defects in the arterial blood flow to the PENIS, defect in venous occlusive function allowing blood drainage (leakage) from the erectile tissue (corpus cavernosum penis), or both.

Rigid, semi-rigid, or inflatable cylindric hydraulic devices, with either combined or separate reservoir and pumping systems, implanted for the surgical treatment of organic ERECTILE DYSFUNCTION.

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