2015 Update of Erectile Dysfunction Management Following Radical Prostatectomy: From Basic Research to Clinical Management

Author(s): Serap Gur, Suresh C. Sikka, Philip J. Kadowitz, Jonathan Silberstein, Wayne J.G. Hellstrom

Journal Name: Current Pharmaceutical Design

Volume 21 , Issue 11 , 2015

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Radical prostatectomy (RP) is the most commonly employed curative intervention for the treatment of prostate cancer. However, due to the proximity of the cavernous nerves (CN) to the prostate, RP results in transient and/often permanent erectile dysfunction (ED). While the prevention of traction injuries during the RP is critical for the preservation of erectile function, several preclinical studies have demonstrated the beneficial effects of neuroprotective (or neuroregenerative) agents in mitigating neuronal injuries sustained during RP. The maintenance or restoration of erectile function after injury may be enhanced in the postoperative period by the stimulation of neurogenesis to protect and restore injured nerves from further deterioration. The present review aims to evaluate and summarize research of these treatment strategies as published in the National Library of Medicine (Pubmed) from 2000 to 2015. The keywords used for the search were ED, RP, CN injury, immunophilin ligands, neurotrophins and phosphodiesterase (PDE)5 inhibitors, and animal models. Current guidelines for treatment targeting CN recovery recommend the use of immunophilin ligands, neurotrophins, brain-derived neurotrophic factor, glial cell-line derived neurotrophic factor, sonic hedgehog (Shh), Rho-kinase, PDE5 inhibitors, erythropoietin (EPO), hyperbaric oxygen, gene, stem cells, and triiodothyronine (T3) therapy. Additionally, this review identifies remaining gaps in general knowledge and recent updates recognizing the need for further preclinical and clinical trials.

Keywords: Radical prostatectomy, animal models, erectile dysfunction, cavernous nerve injury, immunophilin ligands, neurotrophins, PDE5 inhibitors, clinical trials.

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Article Details

Year: 2015
Published on: 29 October, 2014
Page: [1440 - 1454]
Pages: 15
DOI: 10.2174/1381612820666141029130759
Price: $65

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PDF: 59