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Immediate Versus Postponed Freeze-all Embryo Transfer in Hyperresponders

NCT05483270 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 845

Last updated 2024-11-27

No results posted yet for this study

Summary

This is a multicenter, randomised controlled trial. The investigators plan to randomise 836 participants to the immediate FET or the postponed FET from the day of oocyte retrieval to the last day of that menstrual cycle in a 1:1 rate. Primary outcome will be the live birth rate after the embryo transfer.

Conditions

  • IVF

Interventions

BIOLOGICAL

the timing of embryo transfer in freeze-all cycles

Immediate FET group Freeze-all embryo transfer will be carried out in the menstrual cycle immediately following oocyte retrieval. Postponed FET group Freeze-all embryo transfer will be carried out during the second menstrual cycle to 6 months after oocyte retrieval.

Sponsors & Collaborators

  • Women's Hospital School Of Medicine Zhejiang University

    collaborator OTHER

  • The Affiliated Hospital Of Guizhou Medical University

    collaborator OTHER

  • Shengjing Hospital

    collaborator OTHER

  • Peking University Third Hospital

    lead OTHER

Principal Investigators

  • Kai-Lun Hu, M.D · Peking University Third Hospital

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
20 Years
Max Age
42 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2022-08-30
Primary Completion
2024-10-08
Completion
2024-11-24

Countries

  • China

Study Locations

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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 NCT05483270 on ClinicalTrials.gov