Polycystic Ovary Syndrome Clinical Trial
Official title:
Randomized Controlled Trial Comparing the Effect of GnRH Agonist and Antagonist Ovarian Stimulation Protocols in PCOS Patients
The purpose of this study is to compare pregnancy rates and the occurrence of OHSS in PCOS patients who were treated with GnRH agonist and GnRH antagonist protocols ovarian stimulation during an IVF cycle. Our hypothesis is that the GnRH antagonist protocol reduces the occurrence and severity of OHSS compared to the GnRH agonist protocol.
Women with polycystic ovarian syndrome (PCOS) represent a group of patients at high risk of
developing ovarian hyperstimulation syndrome (OHSS), an iatrogenic complication of ovarian
stimulation during IVF treatment. In contrast to mild OHSS, severe OHSS is a
life-threatening complication, characterized by massive ovarian enlargement, ascites,
pleural effusion, oliguria, haemoconcentration and thromboembolic phenomena. Currently, no
curative therapy for OHSS is available and thus prevention is considered the most effective
“treatment”. Several measures have been adopted to reduce the occurrence of the syndrome,
the most effective being cycle cancellation and withholding of human chorionic gonadotropin
(hCG), which seems to be the most critical factor for the development of OHSS.
COMPARISON: This study aims to compare the development and severity of OHSS, as well as
ongoing pregnancy rates in PCOS patients who received a flexible GnRH antagonist (Ganirelix)
protocol vs a long GnRH agonist (Arvekap) protocol of ovarian stimulation.
;
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention
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