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

> **NCT03455075** · PHASE2 · COMPLETED · sponsor: **Premier Research** · enrollment: 92 (actual)

## Conditions studied

- Healthy
- Men
- Male Contraception

## Interventions

- **DRUG:** Dimethandrolone-Undecanoate
- **DRUG:** Levonorgestrel 0.03 MG
- **DRUG:** Placebo oral capsule

## Key facts

- **NCT ID:** NCT03455075
- **Lead sponsor:** Premier Research
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-04-16
- **Primary completion:** 2020-03-05
- **Final completion:** 2020-03-05
- **Target enrollment:** 92 (ACTUAL)
- **Last updated:** 2025-10-30

## Collaborators

- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03455075

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03455075, "Study of Spermatogenesis Suppression With DMAU Alone or With LNG Versus Placebo Alone in Normal Men". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT03455075. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
