NCT06106919

Brief Summary

The aim of the study is to demonstrate the non-inferiority of dienogest on the number of mature oocytes collected compared with "conventional" ovarian stimulation protocols (using a GnRH agonist or antagonist), in patients with endometriosis in a fertility preservation context.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
130

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Dec 2023

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 20, 2023

Completed
10 days until next milestone

First Posted

Study publicly available on registry

October 30, 2023

Completed
2 months until next milestone

Study Start

First participant enrolled

December 18, 2023

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 3, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 3, 2024

Completed
Last Updated

December 10, 2025

Status Verified

December 1, 2025

Enrollment Period

4 months

First QC Date

October 20, 2023

Last Update Submit

December 3, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of mature oocytes collected by ovarian puncture

    Number of mature oocytes

    through study completion, an average of 15 days

Study Arms (3)

dienogest

Other: surveys (Fertiqol and WHOQOL-BREF)

GnRH agonist

Other: surveys (Fertiqol and WHOQOL-BREF)

GnRH antagonist

Other: surveys (Fertiqol and WHOQOL-BREF)

Interventions

surveys (Fertiqol and WHOQOL-BREF)

GnRH agonistGnRH antagonistdienogest

Eligibility Criteria

Age18 Years - 42 Years
Sexfemale
Age GroupsAdult (18-64)
Sampling MethodNon-Probability Sample
Study Population

Women of childbearing age with endometriosis who have undergone at least one cycle of ovarian stimulation for fertility preservation between June 2022 and September 2023.

You may qualify if:

  • Patient aged between 18 and 42 inclusive
  • Patient with endometriosis
  • Patient who has undergone at least one cycle of ovarian stimulation for fertility preservation between June 2022 and September 2023 inclusive, using one of the protocols studied:
  • GnRH agonist GnRH antagonist Dienogest

You may not qualify if:

  • Non-medical or medical fertility preservation excluding endometriosis

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

CHU de Nîmes

Nîmes, France

Location

Related Publications (1)

  • Calero M, Robert J, Ranisavljevic N, Petit E, Montagut M, Lesourd F, Chevalier N, Huberlant S. Fertility preservation in women with endometriosis: A retrospective non-Inferiority study comparing Dienogest in the PPOS protocol to antagonist and agonist protocols. J Gynecol Obstet Hum Reprod. 2025 Jun;54(6):102950. doi: 10.1016/j.jogoh.2025.102950. Epub 2025 Apr 3.

MeSH Terms

Conditions

Endometriosis

Interventions

Surveys and Questionnaires

Condition Hierarchy (Ancestors)

Genital Diseases, FemaleFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesGenital Diseases

Intervention Hierarchy (Ancestors)

Data CollectionEpidemiologic MethodsInvestigative TechniquesHealth Care Evaluation MechanismsQuality of Health CareHealth Care Quality, Access, and EvaluationPublic HealthEnvironment and Public Health

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
12 Months
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 20, 2023

First Posted

October 30, 2023

Study Start

December 18, 2023

Primary Completion

April 3, 2024

Study Completion

April 3, 2024

Last Updated

December 10, 2025

Record last verified: 2025-12

Data Sharing

IPD Sharing
Will not share

Locations