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Completed Phase 2 Interventional Accepts healthy volunteers

Study of Spermatogenesis Suppression With DMAU Alone or With LNG Versus Placebo Alone in Normal Men

ClinicalTrials.gov ID: NCT03455075

Public ClinicalTrials.gov record NCT03455075. 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.

ClinicalTrials.gov public records Last synced Sep 5, 2026, 10:58 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Multicenter, Randomized, Placebo-Controlled, Double-Blind Trial of Spermatogenesis Suppression After Oral Administration of Dimethandrolone Undecanote (DMAU) Alone or With Levonorgestrel (LNG) for 12 Weeks Versus Placebo Alone in Normal Men

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a Phase IIa multicenter, double-blind, placebo-controlled study in healthy men to evaluate the spermatogenesis suppression after oral administration of Dimethandrolone Undecanoate (DMAU) alone or with Levonorgestrel (LNG) for 12 weeks versus placebo alone.

Study identification

NCT ID
NCT03455075
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Premier Research
Other
Enrollment
92 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 50 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
Apr 15, 2018
Primary completion
Mar 4, 2020
Completion
Mar 4, 2020
Last update posted
Oct 29, 2025

2018 – 2020

United States locations

U.S. sites
2
U.S. states
2
U.S. cities
2
Facility City State ZIP Site status
Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center Torrance California 90509
University of Washington Medical Center & Health Sciences 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 NCT03455075, 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 29, 2025 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03455075 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →