# Blocking Mifepristone Action With Progesterone

> **NCT03774745** · PHASE1,PHASE2 · TERMINATED · sponsor: **University of California, Davis** · enrollment: 12 (actual)

## Conditions studied

- Pregnancy, Unwanted

## Interventions

- **DRUG:** Mifepristone 200 MG
- **DRUG:** micronized Progesterone
- **DRUG:** Placebo oral capsule

## Key facts

- **NCT ID:** NCT03774745
- **Lead sponsor:** University of California, Davis
- **Sponsor class:** OTHER
- **Phase:** PHASE1,PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2019-02-11
- **Primary completion:** 2019-07-29
- **Final completion:** 2019-08-15
- **Target enrollment:** 12 (ACTUAL)
- **Why stopped:** Safety
- **Last updated:** 2020-01-22

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03774745

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03774745, "Blocking Mifepristone Action With Progesterone". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03774745. Licensed CC0.

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