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Immediate Versus Postponed Single Blastocyst Transfer in mNC-FET

NCT04748874 · Status: ACTIVE_NOT_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 464

Last updated 2025-04-08

No results posted yet for this study

Summary

The purpose of this randomized controlled trial is to investigate if immediate single blastocyst transfer (in the first menstrual cycle following oocyte retrieval) is non-inferior to standard postponed single blastocyst transfer (in the second or subsequent menstrual cycle following oocyte retrieval) in modified natural cycle frozen-thawed embryo transfer (mNC-FET) in terms of live birth rate.

Conditions

Interventions

PROCEDURE

Immediate mNC-FET

In the immediate arm, patients undergo mNC-FET in the menstrual cycle immediately following oocyte retrieval and failed fresh embryo transfer or freeze-all.

Sponsors & Collaborators

  • Rigshospitalet, Denmark

    lead OTHER

Principal Investigators

  • Anja B Pinborg, Prof. DMSc · Fertility department , Rigshospitalet

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
40 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-04-01
Primary Completion
2026-02-28
Completion
2026-06-30

Countries

  • Denmark

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04748874 on ClinicalTrials.gov