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Clinical Trial Summary

The purpose of this study is to determine if 12 weeks of flexible-dose vardenafil therapy demonstrates superior efficacy compared to placebo in subjects with ED solely secondary to a traumatic spinal cord injury


Clinical Trial Description

According to the Massachusetts Male Aging Study, erectile dysfunction (ED) is estimated as affecting approximately 30 million American men and 100 million men worldwide. The study also reported that approximately 52% of males aged 40-70 experience some degree of ED. Prevalence has been shown to increase with age, with an estimated 40% of the responders experiencing ED at age 40, whereas, 67% had difficulties by age 75.

Considerable advances have been made since the NIH Consensus statement that defined ED as the persistent inability to achieve and maintain an erection sufficient for satisfactory sexual performance. However, one thing remains the same, sexuality continues to be a driving force in our society today. Many men with erectile dysfunction suffer from issues of self esteem, self worth, the creation and maintenance of interpersonal relationships and in general, wrestle with an overall altered sense of wellbeing. Damage to personal relationships can ensue; and the anger, depression, and anxiety engendered spill over into all aspects of life.

VIAGRA(sildenafil), administered as a flexible-dose regimen, has demonstrated to be an effective and well-tolerated treatment for ED in spinal cord injury sufferers.This is a multi-centre, prospective, randomized, double-blind, placebo-controlled study to evaluate the efficacy and safety of vardenafil in men with erectile dysfunction caused by spinal cord injury. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00725790
Study type Interventional
Source China Rehabilitation Research Center
Contact Li-Min Liao, Dr.
Phone +86 010 67563322
Email lmliao@263.net
Status Not yet recruiting
Phase Phase 4
Start date August 2008
Completion date September 2009

See also
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Completed NCT00667979 - Evaluating the Efficacy of Vardenafil in Subjects With Erectile Dysfunction (ED) Administered 12, 18 or 24 Hours Prior to Intercourse Phase 4
Completed NCT00663728 - Assessment of Duration of Erection With Vardenafil 10 mg Phase 4
Completed NCT00421083 - Efficacy and Safety of Tadalafil in Subjects With Erectile Dysfunction Caused by Spinal Cord Injury Phase 3