Role of Myo-inositol and D-chiro Inositol on the Ovaric and Metabolic Functions

NCT ID: NCT01626443

Last Updated: 2017-02-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

46 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-01-31

Study Completion Date

2015-06-30

Brief Summary

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Polycystic ovary syndrome (PCOS) is one of the most common endocrine disorders in women of reproductive age and is characterized by menstrual abnormalities, clinical or biochemical hyperandrogenism, multiple abnormal cysts and enlarge ovaries. Women affected by PCOS often suffer of insulin resistance and of a compensatory hyperinsulinemia which put them at risk of developing several metabolic disorders. Inositol is a six-carbon polyol which has been characterized as an insulin sensitizer: it exists as nine different isomers and among them myo-inositol and D-chiroinositol are the most represented and studied in physiology and physiopathology. In particular, myo-inositol (MI) and D-chiro inositol (DCI) glycans administration has been reported to exert beneficial effects at metabolic, hormonal and ovarian levels.

The aim of this randomized study is to evaluate the metabolic and ovaric effects of a six-month supplementation of myo-inositol and D-chiro-inositol on young women with PCOS and hyperinsulemia.

Detailed Description

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Conditions

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PCOS

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Blinding Strategy

NONE

Study Groups

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Folic acid

Group Type ACTIVE_COMPARATOR

Folic acid

Intervention Type DIETARY_SUPPLEMENT

Folic acid (200 mcg); 2 x die

Inofolic Combi

Group Type EXPERIMENTAL

Myo-inositol + D-chiro-inositol + Folic acid

Intervention Type DIETARY_SUPPLEMENT

Myo-inositol (550 mg) + D-chiro-inositol (13.8 mg) + Folic acid (200 mcg); 2 x die

Interventions

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Myo-inositol + D-chiro-inositol + Folic acid

Myo-inositol (550 mg) + D-chiro-inositol (13.8 mg) + Folic acid (200 mcg); 2 x die

Intervention Type DIETARY_SUPPLEMENT

Folic acid

Folic acid (200 mcg); 2 x die

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* PCOS
* Women aged between 14-40 years
* BMI \> 28
* Hyperinsulinemia

Exclusion Criteria

* Pre-existing secondary endocrine and metabolic disorders
* Pre-existing secondary adrenal disorders
* Pharmacologic treatment in the last 3 months before entering the study
* Pregnancy
Minimum Eligible Age

14 Years

Maximum Eligible Age

40 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Lo.Li.Pharma s.r.l

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University of Pisa - Department of Endocrinology

Pisa, , Italy

Site Status

Countries

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Italy

References

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Diamanti-Kandarakis E, Kouli CR, Bergiele AT, Filandra FA, Tsianateli TC, Spina GG, Zapanti ED, Bartzis MI. A survey of the polycystic ovary syndrome in the Greek island of Lesbos: hormonal and metabolic profile. J Clin Endocrinol Metab. 1999 Nov;84(11):4006-11. doi: 10.1210/jcem.84.11.6148.

Reference Type BACKGROUND
PMID: 10566641 (View on PubMed)

Nestler JE. Role of hyperinsulinemia in the pathogenesis of the polycystic ovary syndrome, and its clinical implications. Semin Reprod Endocrinol. 1997 May;15(2):111-22. doi: 10.1055/s-2007-1016294.

Reference Type BACKGROUND
PMID: 9165656 (View on PubMed)

Baillargeon JP, Nestler JE, Ostlund RE, Apridonidze T, Diamanti-Kandarakis E. Greek hyperinsulinemic women, with or without polycystic ovary syndrome, display altered inositols metabolism. Hum Reprod. 2008 Jun;23(6):1439-46. doi: 10.1093/humrep/den097. Epub 2008 Mar 29.

Reference Type BACKGROUND
PMID: 18375940 (View on PubMed)

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. doi: 10.1056/NEJM199904293401703.

Reference Type BACKGROUND
PMID: 10219066 (View on PubMed)

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. doi: 10.1093/humrep/17.6.1591.

Reference Type BACKGROUND
PMID: 12042283 (View on PubMed)

Vermeulen A, Verdonck L, Kaufman JM. A critical evaluation of simple methods for the estimation of free testosterone in serum. J Clin Endocrinol Metab. 1999 Oct;84(10):3666-72. doi: 10.1210/jcem.84.10.6079.

Reference Type BACKGROUND
PMID: 10523012 (View on PubMed)

Legro RS, Castracane VD, Kauffman RP. Detecting insulin resistance in polycystic ovary syndrome: purposes and pitfalls. Obstet Gynecol Surv. 2004 Feb;59(2):141-54. doi: 10.1097/01.OGX.0000109523.25076.E2.

Reference Type BACKGROUND
PMID: 14752302 (View on PubMed)

Other Identifiers

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MI-DCI

Identifier Type: -

Identifier Source: org_study_id

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