# Preoperative Testing of the Anti-Progesterone Mifepristone in Early Stage Breast Cancer

> **NCT01138553** · EARLY_PHASE1 · TERMINATED · sponsor: **University of California, San Diego** · enrollment: 4 (actual)

## Conditions studied

- Invasive Breast Cancer
- Ductal Carcinoma in Situ

## Interventions

- **DRUG:** Mifepristone

## Key facts

- **NCT ID:** NCT01138553
- **Lead sponsor:** University of California, San Diego
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2010-06
- **Primary completion:** 2014-06
- **Final completion:** 2015-10
- **Target enrollment:** 4 (ACTUAL)
- **Why stopped:** Inadequate subject accrual
- **Last updated:** 2019-07-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01138553

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01138553, "Preoperative Testing of the Anti-Progesterone Mifepristone in Early Stage Breast Cancer". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT01138553. Licensed CC0.

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