- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT03954587
What is the Optimal Cycle Regimen for Frozen- Thawed Embryo Transfer Cycles
What is the Optimal Cycle Regimen for Frozen- Thawed Embryo Transfer Cycles: Spontaneous Natural Cycles Versus Hormonal Replacement Treatment (HRT) Cycles
Descripción general del estudio
Estado
Condiciones
Descripción detallada
The most common treatment protocols for frozen embryo transfers include natural cycles with or without human chorionic gonadotrophin (HCG) trigger or endometrial preparation with hormonal treatment (artificial cycles), with or without Gonadotrophin - releasing hormone agonist suppression. Recent studies comparing artificial and natural cycles concluded that the optimal means of endometrial preparation for frozen- thawed cycle remains unclear and both options may be offered to women with regular ovulatory cycles.
Correctly identified spontaneous natural cycles are the preferred option for frozen-thawed embryo transfer in women with regular menstrual cycles.
Investigators will be comparing artificial (HRT) frozen-thawed embryo transfer cycles to correctly conducted spontaneous natural cycles after the transfer of a chromosomally normal embryo.
Tipo de estudio
Inscripción (Actual)
Contactos y Ubicaciones
Ubicaciones de estudio
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Abu Dhabi, Emiratos Árabes Unidos, 60202
- IVI Middle East Fertility Clinic
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Método de muestreo
Población de estudio
Descripción
Inclusion criteria include the following:
- Women aged 18 years to 42 years with regular menses (26-34 days)
- Having 1 or 2 chromosomally normal cryopreserved blastocysts available for transfer.
- First frozen-thawed transfer cycle
- Progesterone level < 1.5 ng/mL day of trigger injection in stimulation cycle from which embryos to be transferred were created.
Exclusion criteria include the following:
- Polycystic ovarian syndrome
- Poor ovarian responder in accordance with Bologna criteria
- Uterine abnormality US / saline infusion sonohysterogram
- Previous dilatation & curettage (D&C)
- Hydrosalpinx
- Asherman syndrome
- History of endometriosis
- ICSI due to severe male factor with testicular sperm
- Any known contraindications or allergy to oral estradiol or progesterone.
- Discontinuation of HRT medication ( medication error in research HRT cycle )
- Failure to detect ovulation in the research natural cycle
- Duration of estradiol exposure ≥ 17 days and endometrium < 6mm
- Spontaneous ovulation in HRT artificial cycle
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
Cohortes e Intervenciones
Grupo / Cohorte |
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Artificial (HRT) Cycles
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Spontaneous natural cycles:
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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Ongoing pregnancy rate to 8 weeks gestation
Periodo de tiempo: 8 weeks
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viable pregnancy to 8 gestational weeks
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8 weeks
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Pregnancy rate beta human chorionic gonadotropin (ß-hCG) > 5 IU
Periodo de tiempo: 12 days
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Number of patients with a hCG > 5 IU out of the number of patients who underwent an embryo transfer with one or two euploid embryos
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12 days
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Biochemical pregnancy rate
Periodo de tiempo: 5 weeks
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Positive ß-hCG, but at 5 gestational weeks no ultrasonographic visible gestational sac seen
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5 weeks
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Clinical implantation rate
Periodo de tiempo: 6 weeks
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Number of gestational sacs observed by ultrasound at 6 weeks of gestation divided by the number of embryos transferred
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6 weeks
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Clinical pregnancy rate
Periodo de tiempo: 5 weeks
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Ultrasonographic visible sac at 5 gestational weeks
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5 weeks
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Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Carol Coughlan, PhD, IVI Middle East Fertility Clinic LLC
Publicaciones y enlaces útiles
Publicaciones Generales
- Fatemi HM, Kyrou D, Bourgain C, Van den Abbeel E, Griesinger G, Devroey P. Cryopreserved-thawed human embryo transfer: spontaneous natural cycle is superior to human chorionic gonadotropin-induced natural cycle. Fertil Steril. 2010 Nov;94(6):2054-8. doi: 10.1016/j.fertnstert.2009.11.036. Epub 2010 Jan 25.
- Groenewoud ER, Cantineau AE, Kollen BJ, Macklon NS, Cohlen BJ. What is the optimal means of preparing the endometrium in frozen-thawed embryo transfer cycles? A systematic review and meta-analysis. Hum Reprod Update. 2013 Sep-Oct;19(5):458-70. doi: 10.1093/humupd/dmt030. Epub 2013 Jul 2. Erratum In: Hum Reprod Update. 2017 Mar 1;23(2):255-261.
- Haouzi D, Assou S, Mahmoud K, Tondeur S, Reme T, Hedon B, De Vos J, Hamamah S. Gene expression profile of human endometrial receptivity: comparison between natural and stimulated cycles for the same patients. Hum Reprod. 2009 Jun;24(6):1436-45. doi: 10.1093/humrep/dep039. Epub 2009 Feb 26.
- Bourgain C, Devroey P. The endometrium in stimulated cycles for IVF. Hum Reprod Update. 2003 Nov-Dec;9(6):515-22. doi: 10.1093/humupd/dmg045.
- Irani M, Robles A, Gunnala V, Reichman D, Rosenwaks Z. Optimal parameters for determining the LH surge in natural cycle frozen-thawed embryo transfers. J Ovarian Res. 2017 Oct 16;10(1):70. doi: 10.1186/s13048-017-0367-7.
- Kolibianakis E, Bourgain C, Albano C, Osmanagaoglu K, Smitz J, Van Steirteghem A, Devroey P. Effect of ovarian stimulation with recombinant follicle-stimulating hormone, gonadotropin releasing hormone antagonists, and human chorionic gonadotropin on endometrial maturation on the day of oocyte pick-up. Fertil Steril. 2002 Nov;78(5):1025-9. doi: 10.1016/s0015-0282(02)03323-x.
- Roque M, Lattes K, Serra S, Sola I, Geber S, Carreras R, Checa MA. Fresh embryo transfer versus frozen embryo transfer in in vitro fertilization cycles: a systematic review and meta-analysis. Fertil Steril. 2013 Jan;99(1):156-162. doi: 10.1016/j.fertnstert.2012.09.003. Epub 2012 Oct 3.
- Roque M, Valle M, Guimaraes F, Sampaio M, Geber S. Freeze-all policy: fresh vs. frozen-thawed embryo transfer. Fertil Steril. 2015 May;103(5):1190-3. doi: 10.1016/j.fertnstert.2015.01.045. Epub 2015 Mar 4.
- Devroey P, Bourgain C, Macklon NS, Fauser BC. Reproductive biology and IVF: ovarian stimulation and endometrial receptivity. Trends Endocrinol Metab. 2004 Mar;15(2):84-90. doi: 10.1016/j.tem.2004.01.009.
- Nikas G, Develioglu OH, Toner JP, Jones HW Jr. Endometrial pinopodes indicate a shift in the window of receptivity in IVF cycles. Hum Reprod. 1999 Mar;14(3):787-92. doi: 10.1093/humrep/14.3.787.
- Simon C, Garcia Velasco JJ, Valbuena D, Peinado JA, Moreno C, Remohi J, Pellicer A. Increasing uterine receptivity by decreasing estradiol levels during the preimplantation period in high responders with the use of a follicle-stimulating hormone step-down regimen. Fertil Steril. 1998 Aug;70(2):234-9. doi: 10.1016/s0015-0282(98)00140-x.
- Weinerman R, Mainigi M. Why we should transfer frozen instead of fresh embryos: the translational rationale. Fertil Steril. 2014 Jul;102(1):10-8. doi: 10.1016/j.fertnstert.2014.05.019. Epub 2014 Jun 2.
- Liu Y, Lee KF, Ng EH, Yeung WS, Ho PC. Gene expression profiling of human peri-implantation endometria between natural and stimulated cycles. Fertil Steril. 2008 Dec;90(6):2152-64. doi: 10.1016/j.fertnstert.2007.10.020. Epub 2008 Jan 14.
- Ghobara T, Gelbaya TA, Ayeleke RO. Cycle regimens for frozen-thawed embryo transfer. Cochrane Database Syst Rev. 2017 Jul 5;7(7):CD003414. doi: 10.1002/14651858.CD003414.pub3.
- Groenewoud ER, Cohlen BJ, Macklon NS. Programming the endometrium for deferred transfer of cryopreserved embryos: hormone replacement versus modified natural cycles. Fertil Steril. 2018 May;109(5):768-774. doi: 10.1016/j.fertnstert.2018.02.135.
- Agha-Hosseini M, Hashemi L, Aleyasin A, Ghasemi M, Sarvi F, Shabani Nashtaei M, Khodarahmian M. Natural cycle versus artificial cycle in frozen-thawed embryo transfer: A randomized prospective trial. Turk J Obstet Gynecol. 2018 Mar;15(1):12-17. doi: 10.4274/tjod.47855. Epub 2018 Mar 29.
- Zimmermann G, Ackermann W, Alexander H. Epithelial human chorionic gonadotropin is expressed and produced in human secretory endometrium during the normal menstrual cycle. Biol Reprod. 2009 May;80(5):1053-65. doi: 10.1095/biolreprod.108.069575. Epub 2009 Jan 21.
- Shi Y, Sun Y, Hao C, Zhang H, Wei D, Zhang Y, Zhu Y, Deng X, Qi X, Li H, Ma X, Ren H, Wang Y, Zhang D, Wang B, Liu F, Wu Q, Wang Z, Bai H, Li Y, Zhou Y, Sun M, Liu H, Li J, Zhang L, Chen X, Zhang S, Sun X, Legro RS, Chen ZJ. Transfer of Fresh versus Frozen Embryos in Ovulatory Women. N Engl J Med. 2018 Jan 11;378(2):126-136. doi: 10.1056/NEJMoa1705334. Erratum In: N Engl J Med. 2021 Nov 4;385(19):1824.
- O'Connor KA, Brindle E, Miller RC, Shofer JB, Ferrell RJ, Klein NA, Soules MR, Holman DJ, Mansfield PK, Wood JW. Ovulation detection methods for urinary hormones: precision, daily and intermittent sampling and a combined hierarchical method. Hum Reprod. 2006 Jun;21(6):1442-52. doi: 10.1093/humrep/dei497. Epub 2006 Jan 26.
Enlaces Útiles
- Characteristics of the urinary luteinizing hormone surge in young ovulatory women
- INTERPRETATION OF PLASMA LUTEINIZING HORMONE ASSAY FOR THE COLLECTION OF MATURE OOCYTES FROM WOMEN: DEFINITION OF A LUTEINIZING HORMONE SURGE-INITIATING RISE
- Endometrial transcriptome analysis indicates superiority of natural over artificial cycles in recurrent implantation failure patients undergoing frozen embryo transfer
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio (Actual)
Finalización primaria (Actual)
Finalización del estudio (Actual)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Actual)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- 1901-ABU-015-CC
Plan de datos de participantes individuales (IPD)
¿Planea compartir datos de participantes individuales (IPD)?
Información sobre medicamentos y dispositivos, documentos del estudio
Estudia un producto farmacéutico regulado por la FDA de EE. UU.
Estudia un producto de dispositivo regulado por la FDA de EE. UU.
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