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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05919186
Other study ID # CI-20-102
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date October 12, 2021
Est. completion date May 10, 2022

Study information

Verified date June 2023
Source Center of Innovation Technology & Reproductive Medicine
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this clinical trial is to investigate the impact of repeated antioxidant supplementation on blastocyst utilization and expansion rates in embryos under different oxygen concentrations. The study aims to answer the following main questions: - Does adding antioxidants every 12 hours to embryo culture media improve usable and expanded blastocyst utilization rates on days 5 and 6? - How are the O2 concentrations related to the effect of different methods of antioxidants supplementation on blastocysts utilization and expansion rates? Participants in this study are infertile couples undergoing in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) cycles. - Zygotes will be incubated at either 5% or 20% oxygen tension until the blastocyst stage. - Sibling zygotes will be divided into four groups: Group 1A and 1B: Antioxidants every 12 hours at either 5% or 20% O2 tension, respectively. Group 2A and 2B: Antioxidants only once at the beginning of embryo culture at either 5% or 20% O2 tension, respectively. Researchers will compare the four groups to determine if the repeated antioxidant supplementation of the culture media leads to improved blastocyst utilization and expansion rates compared to the baseline group.


Description:

This study is focused on the role of antioxidants (AOXs) in mitigating reactive oxygen species and oxidative stress, which have been associated with failure in in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI). The research aimed to evaluate the effect of two different methods of antioxidants supplementation at two O2 tensions on blastocyst utilization and expansion rates. To achieve this, 3603 zygotes from infertile couples undergoing IVF or ICSI were included in the study. The zygotes were divided into two groups: Group 1A and 1B: Antioxidants every 12 hours at either 5% or 20% O2 tension, respectively. Group 2A and 2B: Antioxidants only once at the beginning of embryo culture at either 5% or 20% O2 tension, respectively. .


Recruitment information / eligibility

Status Completed
Enrollment 293
Est. completion date May 10, 2022
Est. primary completion date April 12, 2022
Accepts healthy volunteers No
Gender Female
Age group 18 Years to 37 Years
Eligibility Inclusion Criteria: - Infertile women with from 18 to 37 years old at the moment of oocyte collection, tubal factor, polycystic ovary syndrome, uterine factor, or unexplained infertility. - More than 2 oocytes by conventional in vitro fertilization (cIVF) and intracytoplasmic sperm injection (ICSI). Exclusion Criteria: - Infertile woman in assisted reproduction treatment with less than 2 oocytes collected. - Infertile woman in assisted reproduction treatment with less than 2 oocytes fertilized by conventional in vitro fertilization (cIVF) and intracytoplasmic sperm injection (ICSI)

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
EmbryORP®
EmbryORP® is a novel antioxidant (Cystein 32.9 mM, Glutation 32.6 mM, Ascorbic Acid 22.7 mM)
Device:
O2 tension 20%
After fertilization check, zygotes were placed in the incubator at 37°C, 8% CO2, and 95%
O2 tension 5%
After fertilization check, zygotes were placed in the incubator at 37°C, 8% CO2 and 95%

Locations

Country Name City State
Mexico CITMER Mexico City

Sponsors (1)

Lead Sponsor Collaborator
Liliana Berenice Ramírez Domínguez

Country where clinical trial is conducted

Mexico, 

References & Publications (21)

Agarwal A, Gupta S, Sharma RK. Role of oxidative stress in female reproduction. Reprod Biol Endocrinol. 2005 Jul 14;3:28. doi: 10.1186/1477-7827-3-28. — View Citation

Agarwal A, Majzoub A. Role of Antioxidants in Assisted Reproductive Techniques. World J Mens Health. 2017 Aug;35(2):77-93. doi: 10.5534/wjmh.2017.35.2.77. Epub 2017 Apr 30. — View Citation

Bedaiwy M, Agarwal A, Said TM, Goldberg JM, Sharma RK, Worley S, Falcone T. Role of total antioxidant capacity in the differential growth of human embryos in vitro. Fertil Steril. 2006 Aug;86(2):304-9. doi: 10.1016/j.fertnstert.2006.01.025. Epub 2006 Jun 12. — View Citation

Bedaiwy MA, Falcone T, Mohamed MS, Aleem AA, Sharma RK, Worley SE, Thornton J, Agarwal A. Differential growth of human embryos in vitro: role of reactive oxygen species. Fertil Steril. 2004 Sep;82(3):593-600. doi: 10.1016/j.fertnstert.2004.02.121. — View Citation

Budani MC, Tiboni GM. Effects of Supplementation with Natural Antioxidants on Oocytes and Preimplantation Embryos. Antioxidants (Basel). 2020 Jul 12;9(7):612. doi: 10.3390/antiox9070612. — View Citation

Carocho M, Ferreira IC. A review on antioxidants, prooxidants and related controversy: natural and synthetic compounds, screening and analysis methodologies and future perspectives. Food Chem Toxicol. 2013 Jan;51:15-25. doi: 10.1016/j.fct.2012.09.021. Epub 2012 Sep 24. — View Citation

Chui, A.; Kalionis, B.; Brennecke, S.; Murthi, P. 201 Homeobox Gene DLX3 Regulates Forskolin Induced Tropho-blast Differentiation. Reprod Fertil Dev 2008, 20(9), 1-1

Coria-Gomez CR, Torres-Rodriguez P, Villar-Munoz LG, Jimenez-Medina I, Agarwal A, Henkel R, Maldonado-Rosas I, L Trevino C. Comparative study of fertility parameters in vitrified human spermatozoa in the presence or absence of EmbryORP(R) : A novel antioxidant. Andrologia. 2021 May;53(4):e13886. doi: 10.1111/and.13886. Epub 2021 Feb 7. — View Citation

David Gardner; William Schoolcraft. In Vitro Culture of Human Blastocysts. In Towards Reproductive Certainity: Fertility and Genetics Beyond 1999: The Plenary Proceedings of the 11th World Congress on In Vitro Fertilization & Hu-man Reproductive Genetics; Jansen, R., Mortimer, D., Eds.; Parthenon Publishing Group: London, 1999; Vol. 1, pp. 378-388.

Edwards LJ, Williams DA, Gardner DK. Intracellular pH of the preimplantation mouse embryo: effects of extracellular pH and weak acids. Mol Reprod Dev. 1998 Aug;50(4):434-42. doi: 10.1002/(SICI)1098-2795(199808)50:43.0.CO;2-J. — View Citation

Gardner DK, Kuramoto T, Tanaka M, Mitzumoto S, Montag M, Yoshida A. Prospective randomized multicentre comparison on sibling oocytes comparing G-Series media system with antioxidants versus standard G-Series media system. Reprod Biomed Online. 2020 May;40(5):637-644. doi: 10.1016/j.rbmo.2020.01.026. Epub 2020 Feb 5. — View Citation

Guerin P, El Mouatassim S, Menezo Y. Oxidative stress and protection against reactive oxygen species in the pre-implantation embryo and its surroundings. Hum Reprod Update. 2001 Mar-Apr;7(2):175-89. doi: 10.1093/humupd/7.2.175. — View Citation

Hong KH, Lee H, Forman EJ, Upham KM, Scott RT Jr. Examining the temperature of embryo culture in in vitro fertilization: a randomized controlled trial comparing traditional core temperature (37 degrees C) to a more physiologic, cooler temperature (36 degrees C). Fertil Steril. 2014 Sep;102(3):767-73. doi: 10.1016/j.fertnstert.2014.06.009. Epub 2014 Jul 17. — View Citation

Khalied Kaskar, C. Optimizing embryo culture conditions and spent culture media analysis as predictors of em-bryo quality and pregnancy; PhD Thesis, University of the West Cape, Cape Town, South Africa, February 2021.

Lane M, Lyons EA, Bavister BD. Cryopreservation reduces the ability of hamster 2-cell embryos to regulate intracellular pH. Hum Reprod. 2000 Feb;15(2):389-94. doi: 10.1093/humrep/15.2.389. — View Citation

Majumdar G, Majumdar A, Verma IC, Upadhyaya KC. Relationship Between Morphology, Euploidy and Implantation Potential of Cleavage and Blastocyst Stage Embryos. J Hum Reprod Sci. 2017 Jan-Mar;10(1):49-57. doi: 10.4103/0974-1208.204013. Erratum In: J Hum Reprod Sci. 2017 Apr-Jun;10 (2):142-150. — View Citation

Nastri CO, Nobrega BN, Teixeira DM, Amorim J, Diniz LMM, Barbosa MWP, Giorgi VSI, Pileggi VN, Martins WP. Low versus atmospheric oxygen tension for embryo culture in assisted reproduction: a systematic review and meta-analysis. Fertil Steril. 2016 Jul;106(1):95-104.e17. doi: 10.1016/j.fertnstert.2016.02.037. Epub 2016 Mar 21. — View Citation

Sallam, N.; Hegab, M.; Mohamed, F.; El-Kaffash, D. Effect of Oxidative Stress in Semen, Follicular Fluid and Em-bryo Culture Medium on the Outcome of Assisted Reproduction. Al-Azhar Internat Med J 2021, 2(7), 59-65, doi:10.21608/aimj.2021.79536.1495

Swain JE. Media composition: pH and buffers. Methods Mol Biol. 2012;912:161-75. doi: 10.1007/978-1-61779-971-6_10. — View Citation

Swain JE. Optimizing the culture environment in the IVF laboratory: impact of pH and buffer capacity on gamete and embryo quality. Reprod Biomed Online. 2010 Jul;21(1):6-16. doi: 10.1016/j.rbmo.2010.03.012. Epub 2010 Mar 21. — View Citation

Truong T, Gardner DK. Antioxidants improve IVF outcome and subsequent embryo development in the mouse. Hum Reprod. 2017 Dec 1;32(12):2404-2413. doi: 10.1093/humrep/dex330. — View Citation

* Note: There are 21 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Rate of usable blastocysts on day 5 Usable blastocysts were defined as vitrified, transferred, and/or biopsied blastocysts at day 5 5 days
Primary Rate of expanded blastocysts on day 5 Expanded blastocysts were defined as usable blastocysts with a 4 to 6 expansion grade at day 5 5 days
Primary Rate of sable blastocysts on day 6 Usable blastocysts were defined as vitrified, transferred, and/or biopsied blastocysts at day 6 6 days
Primary Rate of expanded blastocysts on day 6 Expanded blastocysts were defined as usable blastocysts with a 4 to 6 expansion grade at day 6 6 days
Primary Rate of acumulative usable blastocysts Usable blastocysts were defined as vitrified, transferred, and/or biopsied blastocysts at days 5 and 6 5 - 6 days
Primary Rate of acumulative expanded blastocysts. Expanded blastocysts were defined as usable blastocysts with a 4 to 6 expansion grade at days 5 and 6 5 - 6 days
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