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Effect of Semaglutide on Embryo Quality in Overweight and Obese Patients Undergoing In Vitro Fertilization.

NCT07242534 · Status: RECRUITING · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 62

Last updated 2026-01-21

No results posted yet for this study

Summary

This is a randomized, controlled clinical trial with a two-sided superiority hypothesis. The study evaluates whether a 12-week pre-treatment with semaglutide prior to ovarian stimulation improves the number of good-quality blastocysts in overweight and obese women undergoing in vitro fertilization (IVF), compared to no pre-treatment.

Conditions

Interventions

DRUG

Semaglutide

Participants in this group will receive semaglutide for 12 weeks before ovarian stimulation (0.25 mg/week in weeks 1-4, 0.5 mg/week in weeks 5-8, and 1 mg/week in weeks 9-12). After pre-treatment, controlled ovarian stimulation will be initiated with 225-300 IU/day of rFSH, GnRH antagonist (0.25 mg/day) starting when follicles reach ≥14 mm, and ovulation triggered with triptorelin 0.2 mg when 2-3 follicles reach ≥18 mm. Oocyte retrieval will occur 34-36 hours later, followed by IVF/ICSI. Embryos will be cultured to blastocyst stage and cryopreserved. Embryo transfer will occur after an 8-week washout from semaglutide.

OTHER

No pre-treatment

Participants in this group will undergo standard ovarian stimulation without semaglutide pre-treatment. Stimulation will begin with 225-300 IU/day of rFSH, GnRH antagonist (0.25 mg/day) starting when follicles reach ≥14 mm, and ovulation triggered with triptorelin 0.2 mg when 2-3 follicles reach ≥18 mm. Oocyte retrieval will be performed 34-36 hours later, followed by IVF/ICSI. Embryos will be cultured to the blastocyst stage and cryopreserved. Embryo transfer will follow standard clinical practice.

Sponsors & Collaborators

  • Fundacion Dexeus

    lead OTHER

Principal Investigators

  • Nikolaos P Polyzos, MD, PhD · Dexeus Fertility

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

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

Timeline & Regulatory

Start
2026-01-19
Primary Completion
2027-02-28
Completion
2027-05-31

Countries

  • Spain

Study Locations

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Entities

Drugs
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 NCT07242534 on ClinicalTrials.gov