Live Birth Rate Between PPOS and GnRH Antagonist Protocol in Patients With Anticipated High Ovarian Response

Summary

Progestin can inhibit the pituitary LH surge during ovarian stimulation and various studies show progestin-primed ovarian stimulation (PPOS) is effective in blocking the LH surge in IVF. More and more centers in China are using PPOS because this regimen appears simpler and cheaper.A randomized trial to compare the effectiveness of PPOS and GnRH antagonist protocol in IVF in terms of the live birth rate is urgently needed. Trial objectives: To compare the live birth rate between the PPOS protocol and the antagonist protocol used for ovarian stimulation during IVF Eligible women will be randomised into one of the two groups: Antagonist group : Women will receive antagonist (Cetrorelix or Ganirelix 0.25mg) once subcutaneously daily from day 6 of ovarian stimulation till the day of the ovulation trigger. PPOS group: Women will receive oral medroxyprogesterone 10 mg daily or duphaston 10mg bd daily from Day 3 till the day of ovulation trigger. There will be no fresh transfer. Only one blastocyst will be allowed to replaced in the first FET and a maximum of two blastocysts will be replaced in the subsequent FET cycles. The primary outcome is the live birth rate of the first frozen-thawed transfer cycle.

Timeline

Start

2020-06-04

Primary completion

2022-10-10

Completion

2022-10-10

Publications

• 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 Yu S, Long H, Chang HY, Liu Y, Gao H, Zhu J, Quan X, Lyu Q, Kuang Y, Ai A. New application of dydrogesterone as a part of a progestin-primed ovarian stimulation protocol for IVF: a randomized controlled trial including 516 first IVF/ICSI cycles. Hum Reprod. 2018 Feb 1;33(2):229-237. doi: 10.1093/humrep/dex367.
• Background Massin N. New stimulation regimens: endogenous and exogenous progesterone use to block the LH surge during ovarian stimulation for IVF. Hum Reprod Update. 2017 Mar 1;23(2):211-220. doi: 10.1093/humupd/dmw047.
• Background Kuang Y, Chen Q, Fu Y, Wang Y, Hong Q, Lyu Q, Ai A, Shoham Z. Medroxyprogesterone acetate is an effective oral alternative for preventing premature luteinizing hormone surges in women undergoing controlled ovarian hyperstimulation for in vitro fertilization. Fertil Steril. 2015 Jul;104(1):62-70.e3. doi: 10.1016/j.fertnstert.2015.03.022. Epub 2015 May 5.
• Background Dong J, Wang Y, Chai WR, Hong QQ, Wang NL, Sun LH, Long H, Wang L, Tian H, Lyu QF, Lu XF, Chen QJ, Kuang YP. The pregnancy outcome of progestin-primed ovarian stimulation using 4 versus 10 mg of medroxyprogesterone acetate per day in infertile women undergoing in vitro fertilisation: a randomised controlled trial. BJOG. 2017 Jun;124(7):1048-1055. doi: 10.1111/1471-0528.14622.
• Background Alexandru P, Cekic SG, Yildiz S, Turkgeldi E, Ata B. Progestins versus GnRH analogues for pituitary suppression during ovarian stimulation for assisted reproductive technology: a systematic review and meta-analysis. Reprod Biomed Online. 2020 Jun;40(6):894-903. doi: 10.1016/j.rbmo.2020.01.027. Epub 2020 Feb 5.
• Chen ZQ, Ai A, Zhang Y, Li H, Wang JY, Wang L, Ng EHY. A randomized controlled trial to compare the live birth rate of the first frozen embryo transfer following the progestin-primed ovarian stimulation protocol vs. the antagonist protocol in women with an anticipated high ovarian response. Fertil Steril. 2024 Jun;121(6):937-945. doi: 10.1016/j.fertnstert.2024.01.027. Epub 2024 Jan 23.

Drugs

Indications

No indication recorded.