Erectile Dysfunction | Trial to Evaluate Erectile Function, Fertility and Sperm Count in Male Cyclists Compared to Age Matched Controls

Erectile Dysfunction research study

What is the primary objective of this study?

Bicycle riding is associated with related diverse urogenital symptoms ranging from genital numbness to erectile dysfunction (ED). Very little is known about the quality of sperm in cyclists and whether a connection exists between erectile dysfunction and azoospermia.

Who is eligible to participate?

Inclusion Criteria: - Males ages 20-35, with at least 2 years of bicycle riding, at least 2 hours a week. Exclusion Criteria: - History of prostatic surgery, testicular surgery, or single testis, - Patients after chemotherapy, - Patients receiving hormonal therapy, - Patients receiving alpha blockers for any indication.

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?

Erectile Dysfunction


Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

Study Status

Unknown status

Start Date: February 2006

Completed Date:


Type: Observational


Primary Outcome:

Secondary Outcome:

Study sponsors, principal investigator, and references

Principal Investigator: Igael Madgar, M.D

Lead Sponsor: Sheba Medical Center


More information:

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