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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04774432
Other study ID # 01/21/DD-BVMD
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date March 10, 2021
Est. completion date December 31, 2022

Study information

Verified date July 2021
Source M? Ð?c Hospital
Contact Lan N Vuong, PhD
Phone +84903008889
Email drlan@yahoo.com.vn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

In-vitro maturation (IVM) of human oocytes obtained from minimally stimulated or unstimulated ovaries offers a more "patient friendly" treatment option than the conventional Assisted Reproductive Technology (ART) treatment with controlled ovarian hyperstimulation (COH). However, maturation rate and the total blastocyst yield in oocytes undergoing in vitro maturation are still limited. This pilot study aims to evaluate the addition of an important growth factor known as Granulocyte macrophage colony stimulating factor (GM-CSF). The investigators hypothesize that the addition of GM-CSF to human IVM culture media will increase pregnancy rates to comparable levels to that of IVF, making it a viable clinical option for couples undergoing assisted reproductive treatment.


Description:

In-vitro maturation (IVM) of human oocytes obtained from minimally stimulated or unstimulated ovaries offers a more "patient friendly" treatment option than the conventional Assisted Reproductive Technology (ART) treatment with controlled ovarian hyperstimulation (COH). Typically, IVM will be offered to women with polycystic ovaries (PCO/PCOS), or to patients with an excellent ovarian reserve, i.e. a high antral follicle count. IVM treatment is characterized by minimal administration of FSH or HMG and NO HCG ovulation trigger. The IVM approach is less disruptive to patients' daily life through the reduced need for hormonal and ultrasound monitoring, avoids a range of minor and major complications, such as ovarian hyperstimulation syndrome, and aims to reduce the total cost of infertility treatment for the patient and for the health care budget. Human oocytes retrieved from small antral follicles are able to resume meiosis by undergoing germinal vesicle breakdown and extrusion of the first polar body, if they have reached meiotic competence. These oocytes can be fertilized although only a proportion (less than 50%) of them can develop further into viable embryos. It has been hypothesized that failure of embryonic development may, at least in part, be due to an immature oocyte cytoplasm. The investigators have developed a novel human in vitro maturation (IVM) culture system (named CAPACITATION-IVM , hereafter named "CAPA") using 1°) natural compounds known to influence cGMP and cAMP levels within the cumulus-oocyte-complex and 2°) compounds that are crucial for the oocyte-cumulus cross-talk. Keeping cyclic AMP high after retrieval in the GV oocyte prevents occurrence of nuclear maturation, enabling increased communication between the oocyte and the cumulus cells. This allows for the improvement in the synchronization of nuclear and cytoplasmic maturation processes in the oocyte, to the benefit of embryo quality. The clinical outcomes of using CAPA-IVM in PCOS instead of fully stimulated GnRH-antagonist HP-HMG stimulated IVF-ICSI treatments showed equivalent live-birth rates after a first embryo transfer cycle done in artificial endometrial preparation in the two arms. Nevertheless, the CAPA-IVM cumulative live birth at 12 months was 44%, while in IVF it was 62,6. (Vuong et al., 2020). Hence the attrition rate of embryos in CAPA-IVM is larger than in conventional ART. In order to correct for this difference in good embryo number there is a need to refine the culture conditions. This pilot study aims to evaluate the addition of an important growth factor known as Granulocyte macrophage colony stimulating factor (GM-CSF). In a recent breakthrough it has been shown that adding GM-CSF to IVM media can improve preimplantation embryo development in pigs, cattle and mice (unpublished results from Prof Mark Nottle, Adelaide University, Australia). Moreover, in mice, these improvements lead to an increased in implantation rate (+62%) and tended to increase birth rate (+25%) following the transfer of vitrified/warmed blastocysts compared with standard IVM. Based on these findings, this pilot study aims to determine the beneficial effect of using GM-CSF during the biphasic CAPA-IVM. The investigators hypothesize that the addition of GM-CSF to human IVM culture media will increase pregnancy rates to comparable levels to that of IVF, making it a viable clinical option for couples undergoing assisted reproductive treatment. GM-CSF (Leukine in EmbryoGene medium, Medicult) has previously been used as an additive in embryo culture in order to increase the implantation rate of exposed embryos. This study in more than 1000 patients showed no advantage of adding GMCSF routinely. However in a subset of patients, those with poor implantation, the addition of this factor improved clinical results (Ziebe et al., 2013). In this study no safety issues were mentioned by exposing human oocytes during fertilization and early embryo formation. In the intended study there will be only exposure of GM-CSF during the oocyte maturation steps, and the embryos will never be in direct contact with the investigational compound.


Recruitment information / eligibility

Status Recruiting
Enrollment 100
Est. completion date December 31, 2022
Est. primary completion date March 2, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 18 Years to 36 Years
Eligibility Inclusion Criteria: - Diagnosed as PCOS using Rotterdam criteria (AFC=25 or the ovarian volume >10ml) - Agree to participate in the study Exclusion Criteria: - No major uterine or ovarian abnormalities - Endometriosis grade 2 or upper - Severe OAT (concentration <1 million/ml, motility <10%), surgical sperm

Study Design


Related Conditions & MeSH terms


Intervention

Other:
GM-CSF group
GM-CSF added to CAPA and maturation medium
Control group
GM-CSF will not be added to CAPA and maturation medium

Locations

Country Name City State
Vietnam My Duc Hospital Ho Chi Minh City

Sponsors (1)

Lead Sponsor Collaborator
M? Ð?c Hospital

Country where clinical trial is conducted

Vietnam, 

References & Publications (6)

Guzman L, Adriaenssens T, Ortega-Hrepich C, Albuz FK, Mateizel I, Devroey P, De Vos M, Smitz J. Human antral follicles <6 mm: a comparison between in vivo maturation and in vitro maturation in non-hCG primed cycles using cumulus cell gene expression. Mol Hum Reprod. 2013 Jan;19(1):7-16. doi: 10.1093/molehr/gas038. Epub 2012 Sep 6. — View Citation

Guzman L, Ortega-Hrepich C, Albuz FK, Verheyen G, Devroey P, Smitz J, De Vos M. Developmental capacity of in vitro-matured human oocytes retrieved from polycystic ovary syndrome ovaries containing no follicles larger than 6 mm. Fertil Steril. 2012 Aug;98(2):503-7.e1-2. doi: 10.1016/j.fertnstert.2012.01.114. Epub 2012 Feb 23. — View Citation

Heijnen EM, Eijkemans MJ, Hughes EG, Laven JS, Macklon NS, Fauser BC. A meta-analysis of outcomes of conventional IVF in women with polycystic ovary syndrome. Hum Reprod Update. 2006 Jan-Feb;12(1):13-21. Epub 2005 Aug 25. — View Citation

Ho VNA, Braam SC, Pham TD, Mol BW, Vuong LN. The effectiveness and safety of in vitro maturation of oocytes versus in vitro fertilization in women with a high antral follicle count. Hum Reprod. 2019 Jun 4;34(6):1055-1064. doi: 10.1093/humrep/dez060. — View Citation

Sánchez F, Lolicato F, Romero S, De Vos M, Van Ranst H, Verheyen G, Anckaert E, Smitz JEJ. An improved IVM method for cumulus-oocyte complexes from small follicles in polycystic ovary syndrome patients enhances oocyte competence and embryo yield. Hum Reprod. 2017 Oct 1;32(10):2056-2068. doi: 10.1093/humrep/dex262. — View Citation

Ziebe S, Loft A, Povlsen BB, Erb K, Agerholm I, Aasted M, Gabrielsen A, Hnida C, Zobel DP, Munding B, Bendz SH, Robertson SA. A randomized clinical trial to evaluate the effect of granulocyte-macrophage colony-stimulating factor (GM-CSF) in embryo culture medium for in vitro fertilization. Fertil Steril. 2013 May;99(6):1600-9. doi: 10.1016/j.fertnstert.2012.12.043. Epub 2013 Feb 4. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Blastulation rate Percentage of blastocyst by 2 types of IVM culture with or without GM-CSF At least seven days after oocyte pick up
Secondary Embryology data (maturation rate, fertilization rate, grade 1 and grade 2 blastocyst rate) Maturation rate: percentage of mature oocyte over oocytes pick-up by 2 types of IVM culture Fertilization rate: percentage of 2PN over oocytes injected by 2 types of IVM culture Grade 1 and 2 blastocyst rate: percentage of grade 1 and 2 blastocyst over total number of blastocysts by 2 types of IVM culture Maturation rate: 2 days after OPU, Fertilization rate: 3 days after OPU, grade 1 and 2 blastocyst: at least 7 days after OPU
Secondary Ongoing Pregnancy Rate after the first transfer of the started treatment cycle. Ongoing pregnancy is defined as pregnancy with detectable heart rate at 12 weeks' gestation or beyond, after the completion of the first transfer. At 12 weeks' gestation
Secondary Cumulative ongoing pregnancy rate at 6 months after randomization Ongoing pregnancy is defined as pregnancy with detectable heart rate at 12 weeks' gestation or beyond, after transfer of all embryos from the started treatment cycle. At 12 weeks' gestation at 6 months after randomization. After 6 months, most patients doing IVM have finished all their frozen embryos; therefore, we consider this time point for analyzing the cumulative ongoing pregnancy rate.
Secondary Adverse events (OHSS rate, miscarriage rate, ectopic rate) OHSS rate: Routine assessments for OHSS were performed on day 3 post oocyte retrieval in both groups. At other times, OHSS was evaluated if symptoms were reported by the patient. OHSS was classified using the flow diagram developed by Humaidan and colleagues for use in clinical trial settings Miscarriage defined as spontaneous loss of a clinical pregnancy before week 22 of gestational age, in which the embryo(s) or fetus(es) is/are nonviable and is/are not spontaneously absorbed or expelled from the uterus.
Ectopic pregnancy defined as a pregnancy in which implantation takes place outside the uterine cavity
OHSS rate: at 03 days after oocytes pick-up and 14 days after embryo transfer, Miscarriage rate: Before 22 weeks of gestational age, ectopic rate: At 5-7 weeks of gestation
Secondary The relative expression ratio ( R ) of human cumulus cell genes Cumulus cells (CCc) will be collected, cDNA synthesis after mRNA purification, relative quantification PCR for detecting gene expression between CCs of GM-CSF group and CCs of control group. cumulus cells will be collected after at least 30 hours of maturation culture, storaged at -80oC until RNA purification
Secondary Infant DNA methylation expression level Newborn's material (cord blood, buccal smears, placental tissue) will be collected for epigenetics analysis.
Computational pipeline for genome-wide bisulfite sequencing data analysis. Reads from bisulfite sequencing are first aligned to the reference genome. The alignment data may be visualized in different tracks for comparison (control group vs GM-CSF group). After methylation calling, the bulk methylation level and genome-wide methylation level are calculated and plotted, and DMRs (differentially methylated regions) are determined. To perform an integrative analysis, DNA methylation data are coupled with gene expression, e.g., differentially genes (DEGs), to delineate the regulatory role of DNA methylation.
At the time of delivery
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