RA-4: 13-cis Retinoic Acid for Treatment of Men With Azoospermia
Public ClinicalTrials.gov record NCT03323801. 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
A Pilot Trial of 13-cis Retinoic Acid (Isotretinoin) for the Treatment of Men With Azoospermia
Study identification
- NCT ID
- NCT03323801
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- University of Washington
- Other
- Enrollment
- 10 participants
Conditions and interventions
Conditions
Interventions
- 13-cis retinoic acid Drug
Drug
Eligibility (public fields only)
- Age range
- 21 Years to 60 Years
- Sex
- Male
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 24, 2017
- Primary completion
- May 15, 2019
- Completion
- May 30, 2019
- Last update posted
- Oct 25, 2021
2017 – 2019
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Washington Medical Center | 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 NCT03323801, 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 Oct 25, 2021 · Synced May 19, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03323801 live on ClinicalTrials.gov.