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Are cumulative live birth rates (CLBR) after follitropin alpha (Ovaleap®) and follitropin beta (Puregon®) similar when used for ovarian stimulation with ICSI (intracytoplasmic sperm injection) in a first-rank gonadotrophin-releasing hormone (GnRH) antagonist protocol? Retrospective single-centre cohort study including 832 infertile patients undergoing ovarian stimulation with a daily dose of 150-225 IU FSH in their first ICSI cycle at a tertiary referral centre between July 2016 and July 2019. Of those, 349 patients used Ovaleap and 483 patients received Puregon. Baseline characteristics were not statistically different between the groups. The duration of stimulation was slightly longer in the Ovaleap group (10.6 ± 1.7 versus 10.3 ± 1.6 days; P = 0.012). The number of mature oocytes was not statistically different and there was no significant difference in fertilization rate or embryo utilization rate between the two groups. After fresh embryo transfer, biochemical pregnancy rate (137/349 [39.3%] versus 186/483 [38.5%]) as well as clinical pregnancy rate (105/349 [30.1%] versus 152/483 [31.5%]) were comparable (P = 0.83 and 0.67, respectively). Live birth rate (LBR) after fresh embryo transfer (94/349 [26.9%] versus 141/483 [29.2%]; P = 0.48) and CLBR (199/349 [57.0%] versus 287/483 [59.4%]; P = 0.49) were not significantly different. Multivariable regression analysis revealed that the type of gonadotrophin was not associated with CLBR (P = 0.28). This retrospective study shows no significant difference in CLBR between Ovaleap and Puregon in patients undergoing their first GnRH antagonist ICSI cycle. Copyright © 2021 Reproductive Healthcare Ltd. Published by Elsevier Ltd. All rights reserved.

Citation

Lien Van den Haute, Panagiotis Drakopoulos, Greta Verheyen, Michel De Vos, Herman Tournaye, Christophe Blockeel. Follitropin alpha versus beta in a first GnRH antagonist ICSI cycle: a retrospective cohort study. Reproductive biomedicine online. 2021 Oct;43(4):655-662

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PMID: 34474975

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