# Oral Versus Vaginal Progesterone for Luteal Phase Supplementation in Frozen Embryo Transfer Cycles

> **NCT04758871** · PHASE4 · COMPLETED · sponsor: **CRG UZ Brussel** · enrollment: 150 (actual)

## Conditions studied

- Frozen Embryo Transfer
- Hormone Replacement Therapy
- Dydrogesterone
- Infertility, Female

## Interventions

- **DRUG:** Dydrogesterone 10 MG Oral Tablet
- **DRUG:** Micronized progesterone

## Key facts

- **NCT ID:** NCT04758871
- **Lead sponsor:** CRG UZ Brussel
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-10-01
- **Primary completion:** 2023-09-11
- **Final completion:** 2024-06-13
- **Target enrollment:** 150 (ACTUAL)
- **Last updated:** 2024-06-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04758871

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04758871, "Oral Versus Vaginal Progesterone for Luteal Phase Supplementation in Frozen Embryo Transfer Cycles". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04758871. Licensed CC0.

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