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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04273256
Other study ID # BIO-2018-0357
Secondary ID
Status Recruiting
Phase Phase 2/Phase 3
First received
Last updated
Start date February 11, 2020
Est. completion date February 2023

Study information

Verified date February 2020
Source American University of Beirut Medical Center
Contact Antoine Abu Mussa, MD
Phone 01350000
Email aa06@aub.edu.lb
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The management of poor ovarian responders (POR) remains the most challenging in In-Vitro Fertilization (IVF). The incidence of POR ranges between 9 and 24% (Caprio F, et al, 2015).

POR refers to a reduction in the quantity of primordial follicle pool in reproductive age group (Jirge, P. R., 2016, Sunkara, S. K., et al, 2014), in addition to a higher risk of implantation failure (Kailasam C, et al, 2004).

To overcome this condition, fertility treatments using controlled ovarian stimulation along with IVF is needed to achieve pregnancy. Despite the use of various treatments including high dose gonadotropins, patients with POR have lower rates of pregnancy compared to patients with normal ovarian response (Oudendijk, J. F., et al, 2011). Studies now suggest a variety of regimens like the use of growth hormones, DHEA or androgens to improve the outcomes (Kyrou D, et al, 2009). The main interest of this study is the use of myo-inositol prior to IVF cycles for improvement of reproductive outcomes in poor ovarian responders.


Description:

The management of poor ovarian responders (POR) remains the most challenging in In-Vitro Fertilization (IVF). The incidence of POR ranges between 9 and 24% (Caprio F, et al, 2015).

POR refers to a reduction in the quantity of primordial follicle pool in reproductive age group (Jirge, P. R., 2016, Sunkara, S. K., et al, 2014), in addition to a higher risk of implantation failure (Kailasam C, et al, 2004).

To overcome this condition, adjuvant fertility treatments using controlled ovarian stimulation along with IVF is needed to achieve pregnancy. Despite the use of various treatments including high dose gonadotropins, patients with POR have lower rates of pregnancy compared to patients with normal ovarian response (Oudendijk, J. F., et al, 2011). Studies now suggest a variety of regimens like the use of growth hormones, DHEA or androgens to improve the outcomes (Kyrou D, et al, 2009).

Inositol belongs to the vitamin B group, precursor for the synthesis of phosphatidylinositol polyphosphates (PIPs). PIPs belong to the signal transduction system involved in the regulation of different cellular functions such as signal transduction, cell morphogenesis and cytogenesis (Kutateladze TG, 2010). It is involved in cell membrane formation, lipid synthesis and cell growth (Unfer V, et al, 2012). It has been extensively studied in patients with insulin resistance, as inositol has an insulin sensitizing action (Croze ML & Soulage CO, 2013). In addition, researchers have hypothesized different mechanisms of action on different cell types especially at the level of the ovaries. An international consensus has confirmed that myo-inositol pre-treatment is able to improve the oocyte and the embryo quality via enhancing the intracellular Ca2+ oscillation with meiotic progression of germinal vesicle oocytes. Therefore, it acts on improving the oocyte maturation and embryo development (Nestler JE, et al, 1999, Papaleo E, et al, 2009).

Previous studies showed that higher concentrations of myo-inositol in follicular fluid are correlated with a better oocyte quality (Chiu TT, et al, 2002). A study by Jiang demonstrated that inositol supplementation reduces oxidative stress by different agents such as increasing superoxide dismutase and catalase levels (Jiang WD, et al, 2011). In view of its effects on oocyte maturation and quality, the use of myo-inositol in women with POR is promising. However, data is still sparse whether supplementation with myo-inostiol prior to IVF cycles does improve the pregnancy outcomes.

The main interest of this study is the use of myo-inositol prior to IVF cycles for improvement of reproductive outcomes in poor ovarian responders.


Recruitment information / eligibility

Status Recruiting
Enrollment 226
Est. completion date February 2023
Est. primary completion date February 2022
Accepts healthy volunteers No
Gender Female
Age group 18 Years to 44 Years
Eligibility Inclusion Criteria:

- Age: 18-44 years at the time of interview

- POR patients defined as: AMH<1.5 ng/nl, AFC of 7 or less, 5 oocytes or less retrieved in a previous cycle

- Patients undergoing controlled ovarian stimulation for any indication:

- Male factor

- Female factor

Exclusion Criteria:

- Patients with diabetes, thyroid dysfunction

- Patients with abnormal uterine cavity

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Myo-inositol
patients who will be supplemented with 2 grams of Myo-inositol daily for 3 months prior to their in-vitro fertilization cycle

Locations

Country Name City State
Lebanon American University of Beirut Medical Center Beirut

Sponsors (1)

Lead Sponsor Collaborator
American University of Beirut Medical Center

Country where clinical trial is conducted

Lebanon, 

References & Publications (12)

Caprio F, D'Eufemia MD, Trotta C, Campitiello MR, Ianniello R, Mele D, Colacurci N. Myo-inositol therapy for poor-responders during IVF: a prospective controlled observational trial. J Ovarian Res. 2015 Jun 12;8:37. doi: 10.1186/s13048-015-0167-x. — View Citation

Chiu TT, Rogers MS, Law EL, Briton-Jones CM, Cheung LP, Haines CJ. Follicular fluid and serum concentrations of myo-inositol in patients undergoing IVF: relationship with oocyte quality. Hum Reprod. 2002 Jun;17(6):1591-6. — View Citation

Croze ML, Soulage CO. Potential role and therapeutic interests of myo-inositol in metabolic diseases. Biochimie. 2013 Oct;95(10):1811-27. doi: 10.1016/j.biochi.2013.05.011. Epub 2013 Jun 10. Review. — View Citation

Jiang WD, Wu P, Kuang SY, Liu Y, Jiang J, Hu K, Li SH, Tang L, Feng L, Zhou XQ. Myo-inositol prevents copper-induced oxidative damage and changes in antioxidant capacity in various organs and the enterocytes of juvenile Jian carp (Cyprinus carpio var. Jian). Aquat Toxicol. 2011 Oct;105(3-4):543-51. doi: 10.1016/j.aquatox.2011.08.012. Epub 2011 Aug 27. — View Citation

Jirge PR. Poor ovarian reserve. J Hum Reprod Sci. 2016 Apr-Jun;9(2):63-9. doi: 10.4103/0974-1208.183514. Review. — View Citation

Kailasam C, Keay SD, Wilson P, Ford WC, Jenkins JM. Defining poor ovarian response during IVF cycles, in women aged <40 years, and its relationship with treatment outcome. Hum Reprod. 2004 Jul;19(7):1544-7. Epub 2004 May 13. — View Citation

Kyrou D, Kolibianakis EM, Venetis CA, Papanikolaou EG, Bontis J, Tarlatzis BC. How to improve the probability of pregnancy in poor responders undergoing in vitro fertilization: a systematic review and meta-analysis. Fertil Steril. 2009 Mar;91(3):749-66. doi: 10.1016/j.fertnstert.2007.12.077. Epub 2008 Jul 21. Review. — View Citation

Nestler JE, Jakubowicz DJ, Reamer P, Gunn RD, Allan G. Ovulatory and metabolic effects of D-chiro-inositol in the polycystic ovary syndrome. N Engl J Med. 1999 Apr 29;340(17):1314-20. — View Citation

Oudendijk JF, Yarde F, Eijkemans MJ, Broekmans FJ, Broer SL. The poor responder in IVF: is the prognosis always poor?: a systematic review. Hum Reprod Update. 2012 Jan-Feb;18(1):1-11. doi: 10.1093/humupd/dmr037. Epub 2011 Oct 10. Review. — View Citation

Papaleo E, Unfer V, Baillargeon JP, Fusi F, Occhi F, De Santis L. Myo-inositol may improve oocyte quality in intracytoplasmic sperm injection cycles. A prospective, controlled, randomized trial. Fertil Steril. 2009 May;91(5):1750-4. doi: 10.1016/j.fertnstert.2008.01.088. Epub 2008 May 7. — View Citation

Unfer V, Carlomagno G, Dante G, Facchinetti F. Effects of myo-inositol in women with PCOS: a systematic review of randomized controlled trials. Gynecol Endocrinol. 2012 Jul;28(7):509-15. doi: 10.3109/09513590.2011.650660. Epub 2012 Feb 1. Review. — View Citation

Unfer V, Raffone E, Rizzo P, Buffo S. Effect of a supplementation with myo-inositol plus melatonin on oocyte quality in women who failed to conceive in previous in vitro fertilization cycles for poor oocyte quality: a prospective, longitudinal, cohort study. Gynecol Endocrinol. 2011 Nov;27(11):857-61. doi: 10.3109/09513590.2011.564687. Epub 2011 Apr 5. — View Citation

* Note: There are 12 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Retrieved oocytes Number of oocytes retrieved (MII), including total number, number of mature MII, and proportion of dysmorphic oocytes 4 months
Secondary Cycle cancellation rate number of cycles cancelled before reaching embryo transfer 4 months
Secondary Fertilization rate number of zygotes per number of oocytes inseminated 4 months
Secondary Implantation rate number of intrauterine gestational sacs observed on transvaginal ultrasound divided by the number of transferred embryos 5 months
Secondary Clinical pregnancy rate per started treatment cycle (CPR) the presence of a fetal heart beat on transvaginal ultrasound after 6-7 weeks of gestation 6 months
Secondary Ongoing pregnancy per embryo transferred number of viable fetuses beyond 20 weeks' gestation per number of embryos transferred 7 months
Secondary Miscarriage rates pregnancy loss prior to 12 weeks' gestation 7 months
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