NCT00282477

Brief Summary

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.

Trial Health

55
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at below P25 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 25, 2006

Completed
1 day until next milestone

First Posted

Study publicly available on registry

January 26, 2006

Completed
6 days until next milestone

Study Start

First participant enrolled

February 1, 2006

Completed
Last Updated

August 7, 2007

Status Verified

August 1, 2007

First QC Date

January 25, 2006

Last Update Submit

August 6, 2007

Conditions

Erectile DysfunctionAzoospermia

Keywords

cyclist

Eligibility Criteria

Age20 Years - 35 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Males ages 20-35, with at least 2 years of bicycle riding, at least 2 hours a week.

You may not qualify if:

  • History of prostatic surgery, testicular surgery, or single testis,
  • Patients after chemotherapy,
  • Patients receiving hormonal therapy,
  • Patients receiving alpha blockers for any indication.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Chaim Sheba Medical Center

Ramat Gan, 5261, Israel

RECRUITING

MeSH Terms

Conditions

Erectile DysfunctionAzoospermia

Condition Hierarchy (Ancestors)

Genital Diseases, MaleGenital DiseasesUrogenital DiseasesSexual Dysfunction, PhysiologicalMale Urogenital DiseasesSexual Dysfunctions, PsychologicalMental DisordersInfertility, MaleInfertility

Study Officials

  • Igael Madgar, M.D

    Chaim Sheba Medical Center

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Uri A. Lindner, M.D

CONTACT

972-3-5302413Uri.Lindner@Sheba.health.gov.il

Study Design

Study Type
observational
Observational Model
DEFINED POPULATION
Time Perspective
OTHER
Sponsor Type
OTHER GOV

Study Record Dates

First Submitted

January 25, 2006

First Posted

January 26, 2006

Study Start

February 1, 2006

Last Updated

August 7, 2007

Record last verified: 2007-08

Locations

IL(1)