PROS-1-Male Hormonal Contraceptive Regimens on Prostate Tissue
Public ClinicalTrials.gov record NCT00490555. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
The Effect of Male Hormonal Contraceptive Regimens on Prostate Tissue In Normal Men
Study identification
- NCT ID
- NCT00490555
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Lead sponsor
- University of Washington
- Other
- Enrollment
- 32 participants
Conditions and interventions
Conditions
Interventions
- Testosterone gel Drug
- Dutasteride Drug
- Depo-Medroxyprogesterone (DMPA) Drug
- Placebo Testosterone gel Other
- Placebo dutasteride Other
- Placebo DMPA Other
Drug · Other
Eligibility (public fields only)
- Age range
- 25 Years to 55 Years
- Sex
- Male
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 31, 2008
- Primary completion
- Dec 31, 2011
- Completion
- Feb 29, 2012
- Last update posted
- Nov 14, 2013
2009 – 2012
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Washington | Seattle | Washington | 98195 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00490555, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Nov 14, 2013 · Synced Jun 26, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00490555 live on ClinicalTrials.gov.