# Prospective Randomized Non-Inferiority Study Comparing Natural Cycle Frozen Embryo Transfer (NC-FET) to a New Type of Endometrial Preparation for FET: Natural Proliferative Phase (NPP-FET)

> **NCT06859944** · — · RECRUITING · sponsor: **Erasme University Hospital** · enrollment: 272 (estimated)

## Conditions studied

- Comparison of Pregnancy Rate (HCG+ Level) Obtained After a Replacement Embryonic in Spontaneous Cycle and Following Protocol "NPP". Comparison

## Interventions

- **OTHER:** Embryo transfer
- **OTHER:** Embryo transfer

## Key facts

- **NCT ID:** NCT06859944
- **Lead sponsor:** Erasme University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2024-08-05
- **Primary completion:** 2025-06-30
- **Final completion:** 2026-06-30
- **Target enrollment:** 272 (ESTIMATED)
- **Last updated:** 2025-03-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06859944

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06859944, "Prospective Randomized Non-Inferiority Study Comparing Natural Cycle Frozen Embryo Transfer (NC-FET) to a New Type of Endometrial Preparation for FET: Natural Proliferative Phase (NPP-FET)". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT06859944. Licensed CC0.

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