# Estrogen Pretreatment Prior to GnRH Antagonist Protocol

> **NCT01489852** · PHASE4 · COMPLETED · sponsor: **Gemer** · enrollment: 472 (actual)

## Conditions studied

- Infertility

## Interventions

- **DRUG:** 17beta-estradiol

## Key facts

- **NCT ID:** NCT01489852
- **Lead sponsor:** Gemer
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2006-12
- **Primary completion:** 2010-07
- **Final completion:** 2011-05
- **Target enrollment:** 472 (ACTUAL)
- **Last updated:** 2011-12-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01489852

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01489852, "Estrogen Pretreatment Prior to GnRH Antagonist Protocol". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01489852. Licensed CC0.

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