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Am J Obstet Gynecol. 2004 Aug;191(2):648-51; discussion 651-3.

A randomized, multicenter study comparing the efficacy of recombinant FSH vs recombinant FSH with Ganirelix during superovulation/IUI therapy.

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  • 1Department of Obstetrics and Gynecology, University of Florida, Gainesville, FL 32607, USA. Williams@obgyn.ufl.edu

Abstract

OBJECTIVE:

The purpose of this study was to determine if use of a Gonadotropin releasing hormone (GnRH) antagonist, Ganirelix (Antagon), can improve pregnancy rates during superovulation with recombinant follicle-stimulating hormone (rFSH) followed by intrauterine insemination (IUI).

STUDY DESIGN:

This was a multicenter, prospective, randomized, open-label, assessor-blind, controlled trial of females (n = 54), ages 18 to 39 undergoing superovulation/IUI with up to 4 cycles of superovulation/IUI without Ganirelix (n = 66), or up to 4 cycles of superovulation/IUI with the addition of Ganirelix (n = 52).

RESULTS:

No statistically significant difference in clinical pregnancy rates per cycle initiated was found for patients in the treatment or control group (12% vs 7%, P =.29). Other variables assessed, including endometrial thickness, size of follicles, peak serum estradiol levels, mid-lutea progesterone levels, and total vials of rFSH used also showed no statistically significant difference.

CONCLUSION:

Superovulation/IUI cycles using Ganirelix produce similar pregnancy rates when compared with cycles not using a GnRH antagonist, although there is a trend towards better pregnancy rates in cycles with Ganirelix.

PMID:
15343256
[PubMed - indexed for MEDLINE]
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