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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT04454749
Other study ID # 2003-ABU-002-BL
Secondary ID
Status Terminated
Phase
First received
Last updated
Start date November 9, 2020
Est. completion date March 4, 2021

Study information

Verified date March 2021
Source ART Fertility Clinics LLC
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

For a pregnancy to occur, an euploid embryo at blastocyst developmental stage, a receptive endometrium and the synchrony of both is crucial. Many studies lately investigated the influence of the endometrial thickness and pattern on the artificial reproductive technology (ART) outcome, however, with conflicting results.


Description:

Further on, the measurement of the endometrial thickness was mostly performed either on the day of final oocyte maturation in stimulated cycles with fresh embryo transfer or on the day of progesterone administration in FET cycles. Progesterone is essential for the secretory transformation and compaction of the endometrium, prior to implantation. A recently published paper (Haas et al., 2019) however, evaluated the degree of endometrial compaction under the influence of progesterone in FET cycles and described, that a lack of certain endometrial compaction has a negative impact on the ongoing pregnancy rate. As in this study embryos of unknown ploidy status were transferred, the role of embryo ploidy on the outcome may bias the study results. In the herein presented study protocol we aim to investigate the influence of endometrial compaction in FET cycles in which euploid embryos are transferred. HYPOTHESIS: Lack of endometrial compaction after the start of progesterone leads to an impaired reproductive outcome.


Recruitment information / eligibility

Status Terminated
Enrollment 3
Est. completion date March 4, 2021
Est. primary completion date February 25, 2021
Accepts healthy volunteers
Gender Female
Age group 18 Years to 40 Years
Eligibility Inclusion Criteria: - Women aged 18 years to 40 years with regular menses (26-34 days) - Having 1 or 2 chromosomally normal cryopreserved blastocysts available for transfer after IVF / ICSI treatment - 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: - 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 AFS = 2 - 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 - Ovulation after day 20 in a natural cycle - Duration of estradiol exposure = 17 days and endometrium < 6mm - Spontaneous ovulation in HRT artificial cycle

Study Design


Intervention

Diagnostic Test:
Blood test
Mesurement of E2, P4, LH, FSH hormones
Ultrasound
Follicular measurement and endometrium measurement

Locations

Country Name City State
United Arab Emirates IVI Middle East Fertility Clinic Abu Dhabi

Sponsors (1)

Lead Sponsor Collaborator
ART Fertility Clinics LLC

Country where clinical trial is conducted

United Arab Emirates, 

References & Publications (13)

Bu Z, Sun Y. The Impact of Endometrial Thickness on the Day of Human Chorionic Gonadotrophin (hCG) Administration on Ongoing Pregnancy Rate in Patients with Different Ovarian Response. PLoS One. 2015 Dec 30;10(12):e0145703. doi: 10.1371/journal.pone.01457 — View Citation

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: — View Citation

Haas J, Smith R, Zilberberg E, Nayot D, Meriano J, Barzilay E, Casper RF. Endometrial compaction (decreased thickness) in response to progesterone results in optimal pregnancy outcome in frozen-thawed embryo transfers. Fertil Steril. 2019 Sep;112(3):503-5 — View Citation

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. — View Citation

Kasius A, Smit JG, Torrance HL, Eijkemans MJ, Mol BW, Opmeer BC, Broekmans FJ. Endometrial thickness and pregnancy rates after IVF: a systematic review and meta-analysis. Hum Reprod Update. 2014 Jul-Aug;20(4):530-41. doi: 10.1093/humupd/dmu011. Epub 2014 — View Citation

La Marca A, Sunkara SK. Individualization of controlled ovarian stimulation in IVF using ovarian reserve markers: from theory to practice. Hum Reprod Update. 2014 Jan-Feb;20(1):124-40. doi: 10.1093/humupd/dmt037. Epub 2013 Sep 29. Review. — View Citation

Lawrenz B, Labarta E, Fatemi H, Bosch E. Premature progesterone elevation: targets and rescue strategies. Fertil Steril. 2018 Apr;109(4):577-582. doi: 10.1016/j.fertnstert.2018.02.128. Review. — View Citation

Liu KE, Hartman M, Hartman A, Luo ZC, Mahutte N. The impact of a thin endometrial lining on fresh and frozen-thaw IVF outcomes: an analysis of over 40 000 embryo transfers. Hum Reprod. 2018 Oct 1;33(10):1883-1888. doi: 10.1093/humrep/dey281. — View Citation

Liu Y, Ye XY, Chan C. The association between endometrial thickness and pregnancy outcome in gonadotropin-stimulated intrauterine insemination cycles. Reprod Biol Endocrinol. 2019 Jan 23;17(1):14. doi: 10.1186/s12958-019-0455-1. — View Citation

Testart J, Frydman R, Feinstein MC, Thebault A, Roger M, Scholler R. Interpretation of plasma luteinizing hormone assay for the collection of mature oocytes from women: definition of a luteinizing hormone surge-initiating rise. Fertil Steril. 1981 Jul;36( — View Citation

Vaegter KK, Lakic TG, Olovsson M, Berglund L, Brodin T, Holte J. Which factors are most predictive for live birth after in vitro fertilization and intracytoplasmic sperm injection (IVF/ICSI) treatments? Analysis of 100 prospectively recorded variables in — View Citation

Yuan X, Saravelos SH, Wang Q, Xu Y, Li TC, Zhou C. Endometrial thickness as a predictor of pregnancy outcomes in 10787 fresh IVF-ICSI cycles. Reprod Biomed Online. 2016 Aug;33(2):197-205. doi: 10.1016/j.rbmo.2016.05.002. Epub 2016 May 13. — View Citation

Zhao J, Zhang Q, Wang Y, Li Y. Endometrial pattern, thickness and growth in predicting pregnancy outcome following 3319 IVF cycle. Reprod Biomed Online. 2014 Sep;29(3):291-8. doi: 10.1016/j.rbmo.2014.05.011. Epub 2014 Jun 13. — View Citation

* Note: There are 13 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Ongoing pregnancy rate Ongoing pregnancy rate (= 12 weeks) in patients with endometrial compaction compared to patients without endometrial compaction after frozen embryo transfer of 1 or 2 euploid blastocysts 12 weeks
Secondary Biochemical pregnancy rate in HRT cycle Positive hCG, but at 5 gestational weeks no ultrasonographic visible gestational sac seen after embryo transfer in HRT-FET cycles with one or two euploid embryos, depending on the degree of compaction. 5 weeks
Secondary Biochemical pregnancy rate in spontaneous cycle positive hCG, but at 5 gestational weeks no ultrasonographic visible gestational sac seen) after embryo transfer in NC-FET cycles with one or two euploid embryos, depending on the degree of compaction. 5 weeks
Secondary Clinical implantation rate in HRT cycle Number of gestational sacs observed by ultrasound at 6 weeks of gestation divided by the number of embryos transferred), defined by a ß-hCG of > 5 IU on day 12 after embryo transfer in HRT-FET cycles with one or two euploid embryos, depending on the degree of compaction 6 weeks
Secondary Clinical implantation rate in spontaneous cycle Number of gestational sacs observed by ultrasound at 6 weeks of gestation divided by the number of embryos transferred), defined by a ß-hCG of > 5 IU on day 12 after embryo transfer in NC-FET cycles with one or two euploid embryos, depending on the degree of compaction. 6 weeks
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