# Efficacy of Micronized Natural Progesterone vs GnRH Antagonist in the Prevention of LH Peak During Ovarian Stimulation.

> **NCT05954962** · PHASE4 · COMPLETED · sponsor: **Instituto Bernabeu** · enrollment: 150 (actual)

## Conditions studied

- IVF

## Interventions

- **DRUG:** Progesterone 200 MG
- **DRUG:** Ganirelix Acetate

## Key facts

- **NCT ID:** NCT05954962
- **Lead sponsor:** Instituto Bernabeu
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-12-23
- **Primary completion:** 2025-04-03
- **Final completion:** 2025-08-30
- **Target enrollment:** 150 (ACTUAL)
- **Last updated:** 2026-03-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05954962

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05954962, "Efficacy of Micronized Natural Progesterone vs GnRH Antagonist in the Prevention of LH Peak During Ovarian Stimulation.". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT05954962. Licensed CC0.

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