Pre-IVF treatment with a GnRH antagonist in women with endometriosis (PREGNANT): study protocol for a prospective, double-blind, placebo-controlled trial

Introduction Infertility is a common complication of endometriosis. While in vitro fertilisation-embryo transfer (IVF) successfully treats endometriosis-associated infertility, there is some evidence that pregnancy rates may be diminished in women seeing fertility treatment for endometriosis-associa...

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Main Authors: Hugh Taylor, Hao Huang, Lubna Pal, Heping Zhang, Howard J Li, Sandra Carson, Valerie Flores, Jared Robbins, Nanette F Santoro, James H Segars, David Seifer, Steven Young
Format: Article
Language:English
Published: BMJ Publishing Group 2022-06-01
Series:BMJ Open
Online Access:https://bmjopen.bmj.com/content/12/6/e052043.full
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author Hugh Taylor
Hao Huang
Lubna Pal
Heping Zhang
Howard J Li
Sandra Carson
Valerie Flores
Jared Robbins
Nanette F Santoro
James H Segars
David Seifer
Steven Young
author_facet Hugh Taylor
Hao Huang
Lubna Pal
Heping Zhang
Howard J Li
Sandra Carson
Valerie Flores
Jared Robbins
Nanette F Santoro
James H Segars
David Seifer
Steven Young
author_sort Hugh Taylor
collection DOAJ
description Introduction Infertility is a common complication of endometriosis. While in vitro fertilisation-embryo transfer (IVF) successfully treats endometriosis-associated infertility, there is some evidence that pregnancy rates may be diminished in women seeing fertility treatment for endometriosis-associated infertility compared with other etiologies of infertility. The use of gonadotropin releasing hormone (GnRH) agonist prior to IVF has been suggested to improve success, however studies have been small and rarely reported live birth rates. Recent approval of an oral GnRH antagonist for endometriosis provides a novel option for women with endometriosis who are undergoing IVF. There have been no studies on the efficacy of GnRH antagonists for the treatment of endometriosis-related infertility.Methods and analysis This study is a multicentre, prospective, randomised, double-blind, placebo-controlled trial to study the efficacy of GnRH antagonist pretreatment for women with endometriosis who are undergoing IVF. A total of 814 patients with endometriosis undergoing fertility treatment will be enrolled and randomised 1:1 into two groups: elagolix 200 mg two times per day or placebo for 8 weeks, prior to undergoing IVF. All participants will then undergo IVF treatment per local protocols. The primary outcome is live birth. Secondary outcomes include oocyte number, fertilisation rate, embryo morphology and implantation rates, as well as rates of known endometriosis-related obstetrical outcomes (pregnancy-induced hypertension, antepartum haemorrhage, caesarean delivery and preterm birth).Ethics and dissemination The PREGnant trial was approved by the Institutional Review Board at Johns Hopkins University. Results will be published in a peer-reviewed journal.Trial registration number NCT04173169.
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spelling doaj-art-44fb6bfcf7104f73a079a47a876c39332025-01-24T07:10:10ZengBMJ Publishing GroupBMJ Open2044-60552022-06-0112610.1136/bmjopen-2021-052043Pre-IVF treatment with a GnRH antagonist in women with endometriosis (PREGNANT): study protocol for a prospective, double-blind, placebo-controlled trialHugh Taylor0Hao Huang1Lubna Pal2Heping Zhang3Howard J Li4Sandra Carson5Valerie Flores6Jared Robbins7Nanette F Santoro8James H Segars9David Seifer10Steven Young11Obstetrics, Gynecology & Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USADepartment of Biostatistics, Yale University School of Public Health, New Haven, Connecticut, USA8 School of Medicine, Yale University, New Haven, Connecticut, USADepartment of Biostatistics, Yale University School of Public Health, New Haven, Connecticut, USAObstetrics, Gynecology & Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USAObstetrics, Gynecology & Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USAObstetrics, Gynecology & Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USAObstetrics and Gynecology, Northwestern University, Evanston, Chicago, USAObstetrics and Gynecology, University of Colorado, Denver, Colorado, USADepartment of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USAObstetrics, Gynecology & Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USAObstetrics and Gynecology, The University of North Carolina, Chapel Hill, North Carolina, USAIntroduction Infertility is a common complication of endometriosis. While in vitro fertilisation-embryo transfer (IVF) successfully treats endometriosis-associated infertility, there is some evidence that pregnancy rates may be diminished in women seeing fertility treatment for endometriosis-associated infertility compared with other etiologies of infertility. The use of gonadotropin releasing hormone (GnRH) agonist prior to IVF has been suggested to improve success, however studies have been small and rarely reported live birth rates. Recent approval of an oral GnRH antagonist for endometriosis provides a novel option for women with endometriosis who are undergoing IVF. There have been no studies on the efficacy of GnRH antagonists for the treatment of endometriosis-related infertility.Methods and analysis This study is a multicentre, prospective, randomised, double-blind, placebo-controlled trial to study the efficacy of GnRH antagonist pretreatment for women with endometriosis who are undergoing IVF. A total of 814 patients with endometriosis undergoing fertility treatment will be enrolled and randomised 1:1 into two groups: elagolix 200 mg two times per day or placebo for 8 weeks, prior to undergoing IVF. All participants will then undergo IVF treatment per local protocols. The primary outcome is live birth. Secondary outcomes include oocyte number, fertilisation rate, embryo morphology and implantation rates, as well as rates of known endometriosis-related obstetrical outcomes (pregnancy-induced hypertension, antepartum haemorrhage, caesarean delivery and preterm birth).Ethics and dissemination The PREGnant trial was approved by the Institutional Review Board at Johns Hopkins University. Results will be published in a peer-reviewed journal.Trial registration number NCT04173169.https://bmjopen.bmj.com/content/12/6/e052043.full
spellingShingle Hugh Taylor
Hao Huang
Lubna Pal
Heping Zhang
Howard J Li
Sandra Carson
Valerie Flores
Jared Robbins
Nanette F Santoro
James H Segars
David Seifer
Steven Young
Pre-IVF treatment with a GnRH antagonist in women with endometriosis (PREGNANT): study protocol for a prospective, double-blind, placebo-controlled trial
BMJ Open
title Pre-IVF treatment with a GnRH antagonist in women with endometriosis (PREGNANT): study protocol for a prospective, double-blind, placebo-controlled trial
title_full Pre-IVF treatment with a GnRH antagonist in women with endometriosis (PREGNANT): study protocol for a prospective, double-blind, placebo-controlled trial
title_fullStr Pre-IVF treatment with a GnRH antagonist in women with endometriosis (PREGNANT): study protocol for a prospective, double-blind, placebo-controlled trial
title_full_unstemmed Pre-IVF treatment with a GnRH antagonist in women with endometriosis (PREGNANT): study protocol for a prospective, double-blind, placebo-controlled trial
title_short Pre-IVF treatment with a GnRH antagonist in women with endometriosis (PREGNANT): study protocol for a prospective, double-blind, placebo-controlled trial
title_sort pre ivf treatment with a gnrh antagonist in women with endometriosis pregnant study protocol for a prospective double blind placebo controlled trial
url https://bmjopen.bmj.com/content/12/6/e052043.full
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