The Early Diagnosis and Warning Role of Erectile Dysfunction

This study is currently recruiting participants.
Verified January 2008 by Sun Yat-sen University
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Information provided by:
Sun Yat-sen University Identifier:
First received: November 29, 2010
Last updated: NA
Last verified: January 2008
History: No changes posted
  1. Find the early diagnostic markers of erectile dysfunction;
  2. Study the warning role of ED in some diseases.

Erectile Dysfunction
Endothelial Dysfunction

Study Type: Observational
Study Design: Observational Model: Case Control
Official Title: The Early Diagnosis and Warning Role of Erectile Dysfunction:a Multi-institutional Clinical Study.

Resource links provided by NLM:

Further study details as provided by Sun Yat-sen University:

Estimated Enrollment: 150000
Study Start Date: January 2008
Estimated Study Completion Date: January 2020
Primary Completion Date: October 2010 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years to 80 Years
Genders Eligible for Study:   Male
Accepts Healthy Volunteers:   Yes
Sampling Method:   Probability Sample
Study Population

men with erectile dysfunction healthy men general male population


Inclusion Criteria:

  1. Male and at least 18 years of age.
  2. Provide signed informed consent.
  3. Have a history of erectile dysfunction (ED: defined as a consistent change in the quality of erection that adversely affects the subject's satisfaction with sexual intercourse) .
  4. Have a stable monogamous relationship with a female partner. To some subjects with poor sexual experience, re-evaluation would be conducted after a 4-weeks sex education.
  5. Make at least four sexual intercourse attempts with the female sexual study partner during the 4-week therapeutic period without medication.
  6. Agree not to use any other ED treatment for at least 4 weeks.

Exclusion Criteria:

  1. severe diseases (such as congestive heart failure, arrhythmia, significant renal or hepatic dysfunction and anemia);
  2. Had clinically noteworthy penile deformities, pelvic surgery or trauma of perineal region;
  3. Had received long-term pharmacotherapy (including antioxidant agents, vitamins and traditional Chinese drugs).
  4. An addiction problem (with a history of injection or administration of opium, poppy, heroin, hemp, morphine, cocaine, caffeine, ketamine and meperidine etc.)
  Contacts and Locations
Please refer to this study by its identifier: NCT01249703

Contact: Chunhua Deng, MD, PhD (01186)20-87333300
Contact: Yanping Huang, MD (01186)20-87333300

China, Guang Dong
The First Affiliated Hospital of Sun Yat-Sen University Recruiting
Guangzhou, Guang Dong, China, 510080
Contact: Chunhua Deng, MD, PhD    (01186) 20-87333300   
Contact: Yanping Huang, MD    (01186) 20-87333300   
Principal Investigator: Chunhua Deng, MD, PhD         
Sponsors and Collaborators
Sun Yat-sen University
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Principal Investigator: Chunhua Deng, MD, PhD Department of Urology
  More Information

No publications provided

Responsible Party: Chunhua Deng, Department of Urology Identifier: NCT01249703     History of Changes
Other Study ID Numbers: Chunhua Deng
Study First Received: November 29, 2010
Last Updated: November 29, 2010
Health Authority: China: Ministry of Health

Additional relevant MeSH terms:
Erectile Dysfunction
Sexual Dysfunction, Physiological
Genital Diseases, Male
Sexual Dysfunctions, Psychological
Sexual and Gender Disorders
Mental Disorders processed this record on April 17, 2014