Double GnRH Antagonist Daily Dose in Hyperresponding IVF/ICSI Cycles May Prevent the OHSS

November 23, 2011 updated by: Yannis Prapas, Iakentro Fertility Centre

The possibility to prevent the early ovarian hyperstimulation syndrome (OHSS) by doubling the daily dose of GnRH-antagonist in women stimulated with the antagonist protocol who are at risk for OHSS was evaluated. Thirty-eight women of a study group who underwent ovarian stimulation using the GnRH-antagonist protocol and might have had their cycle cancelled because of OHSS were compared to 76 women of a control group. All cases of the study group were IVF women presenting a rapid rise of E2 ≥ 3500 pg/ml on the 7th day of stimulation or later while the follicles (> 12mm) were > 15 in total and the biggest one was ≤ 16mm in diameter. By decreasing the rFSH dose to 100IU a day and adding an additional dose of GnRH-antagonist (0.25 twice a day), estradiol levels were lowered or reached a plateau before hCG was given. A marked decrease or plateau of estradiol levels was observed the day of oocyte retrieval while the pregnancy rate was not adversely affected when compared with an optimum ovarian response cycles. None of the women were cancelled or developed OHSS.

In overresponding IVF cycles, doubling the usual GnRH-antagonist daily-dose during the ovarian stimulation, the estradiol rise could be blocked while a minimal follicular stimulation may continue without the risk of OHSS or adversely affect pregnancy rate.

Study Overview

Status

Completed

Study Type

Observational

Enrollment (Actual)

38

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

25 years to 35 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Female

Sampling Method

Probability Sample

Study Population

PILOT STUDY

Description

Inclusion Criteria:

  • Women stimulated with the antagonist protocol who are at risk of ovarian hyperstimulation syndrome

Exclusion Criteria:

  • Has chosen other preventive protocols (coasting and/or cryopreservation)were excluded

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Collaborators and Investigators

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Study record dates

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Study Major Dates

Study Start

February 1, 2009

Primary Completion (Actual)

February 1, 2010

Study Completion (Actual)

February 1, 2010

Study Registration Dates

First Submitted

June 30, 2011

First Submitted That Met QC Criteria

November 22, 2011

First Posted (Estimate)

November 23, 2011

Study Record Updates

Last Update Posted (Estimate)

November 28, 2011

Last Update Submitted That Met QC Criteria

November 23, 2011

Last Verified

November 1, 2011

More Information

Terms related to this study

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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