# A Study to See Whether Estrogen Can Slow the Growth of Some ER Positive Breast Cancers

> **NCT02238808** · PHASE2 · ACTIVE_NOT_RECRUITING · sponsor: **AHS Cancer Control Alberta** · enrollment: 19 (actual)

## Conditions studied

- Estrogen Receptor Positive Breast Cancer

## Interventions

- **DRUG:** Estradiol

## Key facts

- **NCT ID:** NCT02238808
- **Lead sponsor:** AHS Cancer Control Alberta
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2015-08
- **Primary completion:** 2018-07-30
- **Final completion:** 2028-06
- **Target enrollment:** 19 (ACTUAL)
- **Last updated:** 2025-06-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02238808

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02238808, "A Study to See Whether Estrogen Can Slow the Growth of Some ER Positive Breast Cancers". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT02238808. Licensed CC0.

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