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Youssef MA, van Wely M, Al-Inany H, Madani T, Jahangiri N, Khodabakhshi S, Alhalabi M, Akhondi M, Ansaripour S, Tokhmechy R, Zarandi L, Rizk A, El-Mohamedy M, Shaeer E, Khattab M, Mochtar MH, van der Veen F. A mild ovarian stimulation strategy in women with poor ovarian reserve undergoing IVF: a multicenter randomized non-inferiority trial. Hum Reprod 2016; 32:112-118. [PMID: 27836979 DOI: 10.1093/humrep/dew282] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 09/23/2016] [Accepted: 10/10/2016] [Indexed: 11/12/2022] Open
Abstract
STUDY QUESTION In subfertile women with poor ovarian reserve undergoing IVF does a mild ovarian stimulation strategy lead to comparable ongoing pregnancy rates in comparison to a conventional ovarian stimulation strategy? SUMMARY ANSWER A mild ovarian stimulation strategy in women with poor ovarian reserve undergoing IVF leads to similar ongoing pregnancy rates as a conventional ovarian stimulation strategy. WHAT IS KNOWN ALREADY Women diagnosed with poor ovarian reserve are treated with a conventional ovarian stimulation strategy consisting of high-dose gonadotropins and pituitary downregulation with a long mid-luteal start GnRH-agonist protocol. Previous studies comparing a conventional strategy with a mild ovarian stimulation strategy consisting of low-dose gonadotropins and pituitary downregulation with a GnRH-antagonist have been under powered and their effectiveness is inconclusive. STUDY DESIGN, SIZE, DURATION This open label multicenter randomized trial was designed to compare one cycle of a mild ovarian stimulation strategy consisting of low-dose gonadotropins (150 IU FSH) and pituitary downregulation with a GnRH-antagonist to one cycle of a conventional ovarian stimulation strategy consisting of high-dose gonadotropins (450 IU HMG) and pituitary downregulation with a long mid-luteal GnRH-agonist in women of advanced maternal age and/or women with poor ovarian reserve undergoing IVF between May 2011 and April 2014. PARTICIPANTS/MATERIALS, SETTING, METHODS Couples seeking infertility treatment were eligible if they fulfilled the following inclusion criteria: female age ≥35 years, a raised basal FSH level >10 IU/ml irrespective of age, a low antral follicular count of ≤5 follicles or poor ovarian response or cycle cancellation during a previous IVF cycle irrespective of age. The primary outcome was ongoing pregnancy rate per woman randomized. Analyses were on an intention-to-treat basis. We randomly assigned 195 women to the mild ovarian stimulation strategy and 199 women to the conventional ovarian stimulation strategy. MAIN RESULTS AND THE ROLE OF CHANCE Ongoing pregnancy rate was 12.8% (25/195) for mild ovarian stimulation versus 13.6% (27/199) for conventional ovarian stimulation leading to a risk ratio of 0.95 (95% CI: 0.57-1.57), representing an absolute difference of -0.7% (95% CI: -7.4 to 5.9). This 95% CI does not extend below the predefined threshold of 10% for inferiority. The duration of ovarian stimulation was significantly lower in the mild ovarian stimulation strategy than in the conventional ovarian stimulation strategy (mean difference -1.2 days, 95% CI: -1.88 to -0.62). Also, a significantly lower amount of gonadotropins was used in the mild simulation strategy, with a mean difference of 3135 IU (95% CI: -3331 to -2940). LIMITATIONS, REASONS FOR CAUTION A limitation of our study was the lack of data concerning the cryopreservation of surplus embryos, so we are not informed on cumulative pregnancy rates. Another limitation is that we were not able to follow up on the ongoing pregnancies in all centers, so we are not informed on live birth rates. WIDER IMPLICATIONS OF THE FINDINGS The results are directly applicable in daily clinical practice and may lead to considerable cost savings as high dosages of gonadotropins are not necessary in women with poor ovarian reserve undergoing IVF. A health economic analysis of our data planned to test the hypothesis that mild ovarian stimulation strategy is more cost-effective than the conventional ovarian stimulation strategy is underway. STUDY FUNDING/COMPETING INTERESTS This study was supported by NUFFIC scholarship (the Netherlands) and STDF short-term fellowship (Egypt). TRIAL REGISTRATION NUMBER NTR2788 (Trialregister.nl). TRIAL REGISTER DATE 01 March 2011. DATE OF FIRST PATIENT'S ENROLMENT May 2011.
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Affiliation(s)
- M A Youssef
- Centre for Reproductive Medicine, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands .,Department of Obstetrics & Gynecology, Faculty of Medicine, Cairo University, Kasr-Alaini St. El-manial district, Giza, Egypt
| | - M van Wely
- Centre for Reproductive Medicine, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands
| | - H Al-Inany
- Department of Obstetrics & Gynecology, Faculty of Medicine, Cairo University, Kasr-Alaini St. El-manial district, Giza, Egypt
| | - T Madani
- Department of Endocrinology and Female Infertility, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, 2, Hafez St., Banihashem St., Resalat Ave., 16635-148 Tehran, Iran
| | - N Jahangiri
- Department of Endocrinology and Female Infertility, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, 2, Hafez St., Banihashem St., Resalat Ave., 16635-148 Tehran, Iran
| | - S Khodabakhshi
- Department of Endocrinology and Female Infertility, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, 2, Hafez St., Banihashem St., Resalat Ave., 16635-148 Tehran, Iran
| | - M Alhalabi
- Division of Embryology and Reproductive Medicine, Faculty of Medicine, and Assisted Reproduction Unit, Orient Hospital, Damascus University, Damascus, Syria
| | - M Akhondi
- Reproductive Biotechnology Research Center, Avicenna Research Institute, ACECR, Shahid Beheshti University, Evin, PO Box 19615-1177 Tehran, Iran
| | - S Ansaripour
- Reproductive Biotechnology Research Center, Avicenna Research Institute, ACECR, Shahid Beheshti University, Evin, PO Box 19615-1177 Tehran, Iran
| | - R Tokhmechy
- Reproductive Biotechnology Research Center, Avicenna Research Institute, ACECR, Shahid Beheshti University, Evin, PO Box 19615-1177 Tehran, Iran
| | - L Zarandi
- Reproductive Biotechnology Research Center, Avicenna Research Institute, ACECR, Shahid Beheshti University, Evin, PO Box 19615-1177 Tehran, Iran
| | - A Rizk
- Department of Obstetrics & Gynecology, Faculty of Medicine, Banha University, El-Shaheed Farid Nada, Qism Banha, Banha, Al Qalyubia Governorate 13511 Banha, Egypt
| | - M El-Mohamedy
- Department of Obstetrics & Gynecology, Faculty of Medicine, Cairo University, Kasr-Alaini St. El-manial district, Giza, Egypt
| | - E Shaeer
- Department of Obstetrics & Gynecology, Faculty of Medicine, Cairo University, Kasr-Alaini St. El-manial district, Giza, Egypt
| | - M Khattab
- Department of Obstetrics & Gynecology, Faculty of Medicine, Cairo University, Kasr-Alaini St. El-manial district, Giza, Egypt
| | - M H Mochtar
- Centre for Reproductive Medicine, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands
| | - F van der Veen
- Centre for Reproductive Medicine, Academic Medical Centre, University of Amsterdam, 1100 DD Amsterdam, The Netherlands
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