Protocol with Progestin-primed Ovarian Stimulation (PPOS) from the Beginning of Stimulation Versus Protocol with GnRH Antagonists for Ovarian Stimulation in Patients Undergoing DUOSTIM with Embryo Accumulation for PGT-A.

Summary

The PPOS protocol (Progestin-primed Ovarian Stimulation) involves avoiding ovulation during ovarian stimulation with progesterone. It is a reliable and safe protocol that has been widely used in recent years for in vitro fertilization, as it reduces the number of injections needed during controlled ovarian stimulation and is more cost-effective for patients. The aim of this study is to compare two methods of ovarian stimulation for in vitro fertilization: the PPOS protocol (Group A) and the conventional protocol with injected antagonists (Group B). The goal is to determine whether both methods are equally effective in obtaining euploid embryos in the context of double ovarian stimulation.

Timeline

Start

2024-10-15

Primary completion

2025-06-15

Completion

2025-12-31

Publications

• Background Martinez F, Rodriguez-Purata J, Beatriz Rodriguez D, Clua E, Rodriguez I, Coroleu B. Desogestrel versus antagonist injections for LH suppression in oocyte donation cycles: a crossover study. Gynecol Endocrinol. 2019 Oct;35(10):878-883. doi: 10.1080/09513590.2019.1604661. Epub 2019 May 7.
• Background Dong M, Sun L, Huang L, Wang F, Zhang X, Liu F. Fixed Gonadotropin-Releasing Hormone Antagonist Protocol Versus Flexible Progestin-Primed Ovarian Stimulation Protocol in Patients With Asynchronous Follicular Development During Controlled Ovulation Stimulation: A Retrospective Study. Front Endocrinol (Lausanne). 2021 Nov 18;12:690575. doi: 10.3389/fendo.2021.690575. eCollection 2021.
• Background Xiao ZN, Peng JL, Yang J, Xu WM. Flexible GnRH Antagonist Protocol versus Progestin-primed Ovarian Stimulation (PPOS) Protocol in Patients with Polycystic Ovary Syndrome: Comparison of Clinical Outcomes and Ovarian Response. Curr Med Sci. 2019 Jun;39(3):431-436. doi: 10.1007/s11596-019-2055-x. Epub 2019 Jun 17.
• Background Giles J, Alama P, Gamiz P, Vidal C, Badia P, Pellicer A, Bosch E. Medroxyprogesterone acetate is a useful alternative to a gonadotropin-releasing hormone antagonist in oocyte donation: a randomized, controlled trial. Fertil Steril. 2021 Aug;116(2):404-412. doi: 10.1016/j.fertnstert.2021.02.036. Epub 2021 Apr 2.
• Background Begueria R, Garcia D, Vassena R, Rodriguez A. Medroxyprogesterone acetate versus ganirelix in oocyte donation: a randomized controlled trial. Hum Reprod. 2019 May 1;34(5):872-880. doi: 10.1093/humrep/dez034.
• Background Wang N, Zhu Q, Ma M, Liang Z, Tao Y, Wang Y, Kuang Y. Comparison of a progestin-primed ovarian stimulation protocol with a flexible GnRH antagonist protocol in patients with polycystic ovary syndrome who are participating in an IVF programme: study protocol for a randomised controlled trial. BMJ Open. 2020 Dec 2;10(12):e038153. doi: 10.1136/bmjopen-2020-038153.

Drugs

Indications

No indication recorded.