# Use of Antagonist Versus Agonist GnRH in Oocyte Recipient Endometrium Preparation

> **NCT00633347** · PHASE4 · COMPLETED · sponsor: **Instituto Valenciano de Infertilidad, IVI VALENCIA** · enrollment: 570 (actual)

## Conditions studied

- Infertility

## Interventions

- **DRUG:** Antagonist GnRH Cetrotide
- **DRUG:** Agonist GnRH Acetate Triptoreline

## Key facts

- **NCT ID:** NCT00633347
- **Lead sponsor:** Instituto Valenciano de Infertilidad, IVI VALENCIA
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-01
- **Primary completion:** 2009-10
- **Final completion:** 2009-10
- **Target enrollment:** 570 (ACTUAL)
- **Last updated:** 2013-02-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00633347

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00633347, "Use of Antagonist Versus Agonist GnRH in Oocyte Recipient Endometrium Preparation". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT00633347. Licensed CC0.

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