GnRH Agonist and Progesterone Versus Progesterone Only for Luteal Phase Support in Antagonist Cycles

Summary

In-Vitro Fertilisation (IVF) is the term commonly applied to a form of treatment for infertility that involves controlled ovarian hyperstimulation, egg maturation, egg collection, fertilisation, embryo culture and finally embryo transfer. The period after egg collection is called luteal phase. In Australia, vaginal progesterone is routinely used to support the lining of the uterus so that it is susceptible to implantation of the embryos. More recently, there has been some suggestion that additional supplementation of luteal phase with GnRH agonist increases clinical pregnancy and live birth rate. These studies are however heterogeneous and results were inconsistent. This study is a prospective randomised controlled trial of additional GnRH agonist in luteal phase of antagonist cycle. The primary hypothesis is that GnRH agonist increases the number of live birth . The secondary hypothesis is that this increases the clinical pregnancy rate, on-going pregnancy rate, without affecting the miscarriage rate, ovarian hyperstimulation rate and multiple pregnancy rate.

Timeline

Start

2015-01

Primary completion

2016-01

Completion

2016-01

Publications

• Background Isik AZ, Caglar GS, Sozen E, Akarsu C, Tuncay G, Ozbicer T, Vicdan K. Reprod Biomed Online. 2009 Oct;19(4):472-7. Single-dose GnRH agonist administration in the luteal phase of GnRH antagonist cycles: a prospective randomized study. Medsafe New Zealand. www.medsafe.govt.nz/profs/datasheet/l/Lucrininj.pdf Tarlatzis BC, Bili H.Expert Opin Drug Saf. 2004 Jan;3(1):39-46. Safety of GnRH agonists and antagonists Tesarik J, Hazout A, Mendoza C.Hum Reprod. 2004 May;19(5):1176-80. Enhancement of embryo developmental potential by a single administration of GnRH agonist at the time of implantation Tesarik J, Hazout A, Mendoza-Tesarik R, Mendoza N, Mendoza C. Hum Reprod. 2006 Oct;21(10):2572-9. Beneficial effect of luteal-phase GnRH agonist administration on embryo implantation after ICSI in both GnRH agonist- and antagonist-treated ovarian stimulation cycles. Van der Linden M, Buckingham K, Farquhar C, Kremer JA, Metwally M.Cochrane Database Syst Rev. 2011 Oct 5;(10). Luteal phase support for assisted reproduction cycles

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Indications