Effect of Semaglutide on Embryo Quality in Overweight and Obese Patients Undergoing In Vitro Fertilization.
NCT ID: NCT07242534
Last Updated: 2026-01-21
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
PHASE4
62 participants
INTERVENTIONAL
2026-01-19
2027-05-31
Brief Summary
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Detailed Description
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Embryos will be cultured to the blastocyst stage and cryopreserved (freeze-all strategy). In the semaglutide group, embryo transfer will occur after an 8-week washout from the last semaglutide dose.
Primary outcome: number of good-quality blastocysts on day 5. Secondary outcomes: embryo morphokinetics, fertilization rate, number of MII oocytes, number of COCs, total blastocyst formation rate, number of cryopreserved embryos, and pre/post semaglutide changes in weight, BMI, waist circumference, AMH, and AFC.
The study has been designed with a superiority hypothesis to detect a difference of 1.5 good-quality blastocysts between groups, with 80% power and a two-sided alpha of 0.05.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Semaglutide
Semaglutide 0.25-1.0 mg for 12 weeks prior to ovarian stimulation
Semaglutide
Participants in this group will receive semaglutide for 12 weeks before ovarian stimulation (0.25 mg/week in weeks 1-4, 0.5 mg/week in weeks 5-8, and 1 mg/week in weeks 9-12). After pre-treatment, controlled ovarian stimulation will be initiated with 225-300 IU/day of rFSH, GnRH antagonist (0.25 mg/day) starting when follicles reach ≥14 mm, and ovulation triggered with triptorelin 0.2 mg when 2-3 follicles reach ≥18 mm. Oocyte retrieval will occur 34-36 hours later, followed by IVF/ICSI. Embryos will be cultured to blastocyst stage and cryopreserved. Embryo transfer will occur after an 8-week washout from semaglutide.
No pre-treatment
No pre-treatment prior to ovarian stimulation Pre-treatment
No pre-treatment
Participants in this group will undergo standard ovarian stimulation without semaglutide pre-treatment. Stimulation will begin with 225-300 IU/day of rFSH, GnRH antagonist (0.25 mg/day) starting when follicles reach ≥14 mm, and ovulation triggered with triptorelin 0.2 mg when 2-3 follicles reach ≥18 mm. Oocyte retrieval will be performed 34-36 hours later, followed by IVF/ICSI. Embryos will be cultured to the blastocyst stage and cryopreserved. Embryo transfer will follow standard clinical practice.
Interventions
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Semaglutide
Participants in this group will receive semaglutide for 12 weeks before ovarian stimulation (0.25 mg/week in weeks 1-4, 0.5 mg/week in weeks 5-8, and 1 mg/week in weeks 9-12). After pre-treatment, controlled ovarian stimulation will be initiated with 225-300 IU/day of rFSH, GnRH antagonist (0.25 mg/day) starting when follicles reach ≥14 mm, and ovulation triggered with triptorelin 0.2 mg when 2-3 follicles reach ≥18 mm. Oocyte retrieval will occur 34-36 hours later, followed by IVF/ICSI. Embryos will be cultured to blastocyst stage and cryopreserved. Embryo transfer will occur after an 8-week washout from semaglutide.
No pre-treatment
Participants in this group will undergo standard ovarian stimulation without semaglutide pre-treatment. Stimulation will begin with 225-300 IU/day of rFSH, GnRH antagonist (0.25 mg/day) starting when follicles reach ≥14 mm, and ovulation triggered with triptorelin 0.2 mg when 2-3 follicles reach ≥18 mm. Oocyte retrieval will be performed 34-36 hours later, followed by IVF/ICSI. Embryos will be cultured to the blastocyst stage and cryopreserved. Embryo transfer will follow standard clinical practice.
Eligibility Criteria
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Inclusion Criteria
* AMH \>= 1 ng/mL or AFC \>= 6
* Body mass index (BMI) between 27 kg/m2 and 40 kg/m2
* Scheduled for IVF with freeze-all strategy
Exclusion Criteria
* Type 2 diabetes mellitus
* Prior use of GLP-1 Ras within the past year
* Uncontrolled thyroid disorders
* Contraindications to IVF or semaglutide treatment
* Patients with chronic inflammatory diseases
* Family history of hereditary or chromosomal diseases
* Use of glucocorticoids or immunosuppressants
* PGT-A
* Use of medications affecting metabolism or inflammation
18 Years
38 Years
FEMALE
No
Sponsors
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Fundacion Dexeus
OTHER
Responsible Party
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Principal Investigators
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Nikolaos P Polyzos, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
Dexeus Fertility
Locations
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Dexeus Mujer Sabadell
Sabadell, Barcelona, Spain
Dexeus Mujer Sant Cugat
Sant Cugat del Vallès, Barcelona, Spain
Dexeus Mujer Reus
Reus, Tarragona, Spain
Departamento de Ginecología Obstetricia y Reproducción. Hospital Universitari Dexeus
Barcelona, , Spain
Dexeus Mujer Tarragona
Tarragona, , Spain
Countries
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Central Contacts
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Facility Contacts
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References
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Szczesnowicz A, Szeliga A, Niwczyk O, Bala G, Meczekalski B. Do GLP-1 Analogs Have a Place in the Treatment of PCOS? New Insights and Promising Therapies. J Clin Med. 2023 Sep 12;12(18):5915. doi: 10.3390/jcm12185915.
Silvestris E, de Pergola G, Rosania R, Loverro G. Obesity as disruptor of the female fertility. Reprod Biol Endocrinol. 2018 Mar 9;16(1):22. doi: 10.1186/s12958-018-0336-z.
Amiri M, Ramezani Tehrani F. Potential Adverse Effects of Female and Male Obesity on Fertility: A Narrative Review. Int J Endocrinol Metab. 2020 Sep 28;18(3):e101776. doi: 10.5812/ijem.101776. eCollection 2020 Jul.
Bader S, Bhatti R, Mussa B, Abusanana S. A systematic review of GLP-1 on anthropometrics, metabolic and endocrine parameters in patients with PCOS. Womens Health (Lond). 2024 Jan-Dec;20:17455057241234530. doi: 10.1177/17455057241234530.
Dag ZO, Dilbaz B. Impact of obesity on infertility in women. J Turk Ger Gynecol Assoc. 2015 Jun 1;16(2):111-7. doi: 10.5152/jtgga.2015.15232. eCollection 2015.
Gautam D, Purandare N, Maxwell CV, Rosser ML, O'Brien P, Mocanu E, McKeown C, Malhotra J, McAuliffe FM; FIGO Committee on Impact of Pregnancy on Long-term Health and the FIGO Committee on Reproductive Medicine, Endocrinology and Infertility. The challenges of obesity for fertility: A FIGO literature review. Int J Gynaecol Obstet. 2023 Jan;160 Suppl 1(Suppl 1):50-55. doi: 10.1002/ijgo.14538.
Goldberg AS, Boots CE. Treating obesity and fertility in the era of glucagon-like peptide 1 receptor agonists. Fertil Steril. 2024 Aug;122(2):211-218. doi: 10.1016/j.fertnstert.2024.05.154. Epub 2024 May 27.
He Y, Lu Y, Zhu Q, Wang Y, Lindheim SR, Qi J, Li X, Ding Y, Shi Y, Wei D, Chen ZJ, Sun Y. Influence of metabolic syndrome on female fertility and in vitro fertilization outcomes in PCOS women. Am J Obstet Gynecol. 2019 Aug;221(2):138.e1-138.e12. doi: 10.1016/j.ajog.2019.03.011. Epub 2019 Mar 22.
Jensterle M, Janez A, Fliers E, DeVries JH, Vrtacnik-Bokal E, Siegelaar SE. The role of glucagon-like peptide-1 in reproduction: from physiology to therapeutic perspective. Hum Reprod Update. 2019 Jul 1;25(4):504-517. doi: 10.1093/humupd/dmz019.
Khan D, Ojo OO, Woodward OR, Lewis JE, Sridhar A, Gribble FM, Reimann F, Flatt PR, Moffett RC. Evidence for Involvement of GIP and GLP-1 Receptors and the Gut-Gonadal Axis in Regulating Female Reproductive Function in Mice. Biomolecules. 2022 Nov 23;12(12):1736. doi: 10.3390/biom12121736.
Li MC, Minguez-Alarcon L, Arvizu M, Chiu YH, Ford JB, Williams PL, Attaman J, Hauser R, Chavarro JE; EARTH Study Team. Waist circumference in relation to outcomes of infertility treatment with assisted reproductive technologies. Am J Obstet Gynecol. 2019 Jun;220(6):578.e1-578.e13. doi: 10.1016/j.ajog.2019.02.013. Epub 2019 Feb 11.
Moran L, Tsagareli V, Norman R, Noakes M. Diet and IVF pilot study: short-term weight loss improves pregnancy rates in overweight/obese women undertaking IVF. Aust N Z J Obstet Gynaecol. 2011 Oct;51(5):455-9. doi: 10.1111/j.1479-828X.2011.01343.x. Epub 2011 Jul 19.
Nuako A, Tu L, Reyes KJC, Chhabria SM, Stanford FC. Pharmacologic Treatment of Obesity in Reproductive Aged Women. Curr Obstet Gynecol Rep. 2023 Jun;12(2):138-146. doi: 10.1007/s13669-023-00350-1. Epub 2023 Feb 27.
Pavli P, Triantafyllidou O, Kapantais E, Vlahos NF, Valsamakis G. Infertility Improvement after Medical Weight Loss in Women and Men: A Review of the Literature. Int J Mol Sci. 2024 Feb 5;25(3):1909. doi: 10.3390/ijms25031909.
Sacha CR, Page CM, Goldman RH, Ginsburg ES, Zera CA. Are women with obesity and infertility willing to attempt weight loss prior to fertility treatment? Obes Res Clin Pract. 2018 Jan-Feb;12(1):125-128. doi: 10.1016/j.orcp.2017.11.004. Epub 2017 Dec 6.
Salamun V, Jensterle M, Janez A, Vrtacnik Bokal E. Liraglutide increases IVF pregnancy rates in obese PCOS women with poor response to first-line reproductive treatments: a pilot randomized study. Eur J Endocrinol. 2018 Jul;179(1):1-11. doi: 10.1530/EJE-18-0175. Epub 2018 Apr 27.
Sola-Leyva A, Pathare ADS, Apostolov A, Aleksejeva E, Kask K, Tammiste T, Ruiz-Duran S, Risal S, Acharya G, Salumets A. The hidden impact of GLP-1 receptor agonists on endometrial receptivity and implantation. Acta Obstet Gynecol Scand. 2025 Feb;104(2):258-266. doi: 10.1111/aogs.15010. Epub 2024 Dec 18.
Sundararaman L, Gouda D, Kumar A, Sundararaman S, Goudra B. Glucagon-like Peptide-1 Receptor Agonists: Exciting Avenues Beyond Weight Loss. J Clin Med. 2025 Mar 14;14(6):1978. doi: 10.3390/jcm14061978.
Wilding JPH, Batterham RL, Calanna S, Davies M, Van Gaal LF, Lingvay I, McGowan BM, Rosenstock J, Tran MTD, Wadden TA, Wharton S, Yokote K, Zeuthen N, Kushner RF; STEP 1 Study Group. Once-Weekly Semaglutide in Adults with Overweight or Obesity. N Engl J Med. 2021 Mar 18;384(11):989-1002. doi: 10.1056/NEJMoa2032183. Epub 2021 Feb 10.
Related Links
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Related Info
Other Identifiers
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2025-522525-34-00
Identifier Type: CTIS
Identifier Source: secondary_id
FSD-SEM-2025-14
Identifier Type: -
Identifier Source: org_study_id
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