Transfer of Frozen Embryos in Natural Cycle: Evaluation of Impact of Spontaneous Versus HCG-triggered Ovulation on Pregnancy Rate

NCT ID: NCT03428165

Last Updated: 2025-12-04

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

103 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-03-07

Study Completion Date

2022-02-01

Brief Summary

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The purpose of the study is to evaluated whether there is a difference in pregnancy rate when transferring frozen embryos between patietns having spontaneously ovulated versus those triggered to voulate with HCG.

Detailed Description

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Conditions

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in Vitro Fertilization

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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human chorionic gonadotropin (HCG)

Ovulation triggered using HCG: choriogonadotropin alpha (Ovitrelle, Merck Serono), 250 μg/0.5ml

Group Type OTHER

HCG

Intervention Type OTHER

250 μg/0.5ml choriogonadotropine alpha, Ovitrelle, Merck Serono

spontaneous

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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HCG

250 μg/0.5ml choriogonadotropine alpha, Ovitrelle, Merck Serono

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* The patient must have given their free and informed consent and signed the consent form
* The patient must be a member or beneficiary of a health insurance plan
* The patient is aged between 18 and 40
* Patient has regular cycles and classified as 'easy' for transfer of a frozen embryo at blastocyste stage (vitrification day 5)

Exclusion Criteria

* The subject is participating in an interventional study, or is in a period of exclusion determined by a previous study
* The subject refuses to sign the consent
* It is impossible to give the subject informed information
* The patient is under safeguard of justice or state guardianship
* Patient using donated oocytes
* Necessity of pre-implantation diagnosis
* Patients with stage 3 or 4 endometriosis or adenomyosis
Minimum Eligible Age

18 Years

Maximum Eligible Age

40 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Centre Hospitalier Universitaire de Nīmes

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Stéphanie Huberlant

Role: PRINCIPAL_INVESTIGATOR

CHU Nimes

Locations

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CHU Arnaud de Villeneuve

Montpellier, , France

Site Status

CHU Nimes

Nîmes, , France

Site Status

Countries

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France

References

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Ranisavljevic N, Bonneau M, Rougier N, Hamamah S, Anahory T, Serand C, Huberlant S. Ovulation trigger versus spontaneous luteinizing hormone surge on live birth rate after frozen embryo transfer in a natural cycle: a randomized controlled trial. Fertil Steril. 2025 Apr;123(4):718-720. doi: 10.1016/j.fertnstert.2024.10.021. Epub 2024 Oct 19. No abstract available.

Reference Type RESULT
PMID: 39433204 (View on PubMed)

Other Identifiers

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2017-A02759-44

Identifier Type: OTHER

Identifier Source: secondary_id

NIMAO/2017-02/SH-01

Identifier Type: -

Identifier Source: org_study_id

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