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Completed Phase 3 Interventional Results available

Pre-IVF Treatment With a GnRH Antagonist in Women With Endometriosis

ClinicalTrials.gov ID: NCT04173169

Public ClinicalTrials.gov record NCT04173169. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:09 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Pre-IVF Treatment With a GnRH Antagonist in Women With Endometriosis - A Prospective Clinical Trial

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

A Phase 3 clinical trial of oral GnRH antagonist pre-treatment for women with endometriosis who are undergoing IVF, with a primary outcome of live birth rate. The investigators' central hypothesis is that in infertile woman with endometriosis undergoing in vitro fertilization-embryo transfer (IVF-ET), live birth rates will improve in those pretreated with GnRH antagonist compared to those not pretreated with GnRH antagonist.

Study identification

NCT ID
NCT04173169
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Yale University
Other
Enrollment
103 participants

Conditions and interventions

Interventions

Drug · Other

Eligibility (public fields only)

Age range
18 Years to 40 Years
Sex
Female
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 15, 2022 (Actual)
Primary completion
May 2, 2025 (Actual)
Completion
May 2, 2025 (Actual)
Last update posted
Jun 12, 2026

2022 – 2025

United States locations

U.S. sites
5
U.S. states
5
U.S. cities
5

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04173169, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 12, 2026 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04173169 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →