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A Multicenter Prospective Randomized Controlled Clinical Trial Comparing Constant (5%) Versus Sequential (5%-2%) Oxygen Concentration Embryo Culture Protocols in Assisted Reproductive Technology

NCT07050537 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 980

Last updated 2025-07-03

No results posted yet for this study

Summary

To evaluate whether there were significant differences in the effects of constant (5%) versus sequential (5%-2%) oxygen concentration protocols in embryo culture on term live birth rates.

This study will be conducted in five centers including the Clinical Center of Reproductive Medicine, First Affiliated Hospital of Nanjing Medical Universit. 980 women who wish to undergo blastocyst transplantation will be included in the study.

The study data will be analyzed statistically.

Conditions

  • Fertility Issues
  • Blastocyst IVF
  • Embryo Culture

Interventions

PROCEDURE

Constant oxygen concentration protocols in embryo culture

Participants were randomly assigned to constant (5%) oxygen concentration group and received different blastocyst culture protocols.

PROCEDURE

Sequential oxygen concentration protocols in embryo culture

Participants were randomly assigned to sequential (5%-2%) oxygen concentration group and received different blastocyst culture protocols.

Sponsors & Collaborators

  • The First Affiliated Hospital with Nanjing Medical University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

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

Timeline & Regulatory

Start
2025-03-01
Primary Completion
2027-03-31
Completion
2027-08-31

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 NCT07050537 on ClinicalTrials.gov