MedPath

Estrogen Pretreatment Prior to GnRH Antagonist Protocol

Phase 4
Completed
Conditions
Infertility
Interventions
Drug: 17beta-estradiol
Registration Number
NCT01489852
Lead Sponsor
Gemer
Brief Summary

The purpose of this study is to assess whether estrogen pre-treatment can allow retrieval of 2 additional oocytes in GnRH antagonist protocol.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
472
Inclusion Criteria
  • regular normo-ovulatory cycles (28 to 35 days)
  • age < 38 years,
  • body mass index (BMI) between 18 and 30
  • first or second IVF/ICSI attempt
Exclusion Criteria
  • high basal levels of serum FSH or E2,
  • less than 5 follicles at the antral follicular count performed on day 3 of a spontaneous cycle,
  • history of high (>20 oocytes) or low (< 5 oocytes) ovarian response in a previous IVF attempt

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Estrogen pre-treatment17beta-estradiol-
Primary Outcome Measures
NameTimeMethod
number of retrieved oocytesat the ovarian puncture, 36 hours post HCG administration
Secondary Outcome Measures
NameTimeMethod
pregnancy rateat pregnancy test and at 6 Week US examination
delivery rate9 months later
number of obtained embryos2 days after in vitro fertilization
duration of FSH administrationat the end of ovarian stimulation usually after a mean of 12 days of administration

number of days of administration

Total FSH doseat the end of ovarian stimulation usually after a mean of 12 days of administration

daily dose x number of days of administration

Trial Locations

Locations (1)

Service de Medecine de la Reproduction, Hôpital Jean Verdier

🇫🇷

Bondy, Ile de France, France

© Copyright 2025. All Rights Reserved by MedPath