Fish Oil Supplementation in Women With Gestational Diabetes

NCT ID: NCT02371343

Last Updated: 2015-02-25

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-03-31

Study Completion Date

2016-09-30

Brief Summary

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Gestational diabetes is the development of diabetes during pregnancy. Left untreated, gestational diabetes and preeclampsia can lead to serious -- or even fatal -- complications for both mother and child. Some evidence suggesting omega-3 fatty acids might help protect women from two serious pregnancy complications -- gestational diabetes and preeclampsia. Omega-3 fatty acids, in particular Docosahexaenoic acid (DHA), help a pregnant woman give her developing baby every advantage in life starting in-utero. Recent studies suggested that the biologic processes underlying the observed associations may involve epigenetic changes, specifically DNA methylation. In this study the investigators aimed to examine the effect of fish oil supplementation in women with gestational diabetes mellitus on newborn outcomes and insulin like growth factor 1 DNA methylation.

Detailed Description

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Gestational diabetes is the development of diabetes during pregnancy. According to the National Institutes of Health, gestational diabetes occurs in about 5 percent of all pregnancies in the United States, resulting in about 200,000 cases a year. Treatment involves dietary measures, exercise and, in some cases, insulin injections. All pregnant women should be taking a prescribed pre-natal vitamin, and should also supplement with fish oil or another source of omega-3 fatty acids to help support the nervous system of their developing child.

Left untreated, gestational diabetes and preeclampsia can lead to serious -- or even fatal -- complications for both mother and child. In diabetic pregnancies there is an increased risk of birth defects. Some evidence suggesting omega-3 fatty acids might help protect women from two serious pregnancy complications -- gestational diabetes and preeclampsia. Omega-3 fatty acids, in particular Docosahexaenoic acid (DHA), help a pregnant woman give her developing baby every advantage in life starting in-utero. In general the omega-3 fatty acids found in fish help the cardiovascular system, the brain (including moods), and even the brain and eyes of a developing baby. The risk of pre-term delivery and low birth weight is three and a half times higher when mothers are deficient in DHA. Recent studies suggested that the biologic processes underlying the observed associations may involve epigenetic changes, specifically DNA methylation. In this study the investigators aimed to examine the effect of fish oil supplementation in women with gestational diabetes mellitus on newborn outcomes and insulin like growth factor 1 DNA methylation.

Conditions

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Fetal Macrosomia Congenital Abnormality Other Respiratory Problems After Birth

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Fish-Oil

The pregnants with gestational diabetes given fish oil:

(Ocean Plus, 1200 mg, EPA 384 mg DHA 252 mg, total omega-3 782 mg, 50 soft gel, Ocean®, German) During third trimester of pregnancy, Once in a day

Group Type ACTIVE_COMPARATOR

Fish oil, Ocean plus

Intervention Type DIETARY_SUPPLEMENT

Ocean Plus, 1200 mg, EPA 384 mg DHA 252 mg, total omega-3 782 mg, 50 soft gel, Ocean®, Germany

Sunflower oil

The pregnants with gestational diabetes given sunflower oil:

Sunflower oil capsules will be prepared in the pharmacy as the same size and colour with fish oil capsules During third trimester of pregnancy, Once in a day

Group Type PLACEBO_COMPARATOR

Sunflower Oil

Intervention Type DIETARY_SUPPLEMENT

Interventions

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Fish oil, Ocean plus

Ocean Plus, 1200 mg, EPA 384 mg DHA 252 mg, total omega-3 782 mg, 50 soft gel, Ocean®, Germany

Intervention Type DIETARY_SUPPLEMENT

Sunflower Oil

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Women who were diagnosed as gestational diabetes mellitus (GDM) between 24 and 28th week of pregnancy
* Women with GDM and accepted to be participate in the study
* Women younger that 40 years old
* The newborns of the women with GDM

Exclusion Criteria

* The history of Type 1 diabetes melitus
* Abnormal glucose tolerance \<20th gestational week
* The history of chronic illness in the mother
* Women who eat fish \<2 times in a week
* Any history of sea-food allergy in the mother
Minimum Eligible Age

20 Years

Maximum Eligible Age

40 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes

Sponsors

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Dr. Sami Ulus Children's Hospital

OTHER

Sponsor Role lead

Responsible Party

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Dilek Dilli

Dilek Dilli, MD

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Dilek Dilli, Assoc Prof

Role: PRINCIPAL_INVESTIGATOR

Teaching assistant

Locations

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Sami Ulus CH

Ankara, Ankara, Turkey (Türkiye)

Site Status

Countries

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Turkey (Türkiye)

Central Contacts

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Dilek Dilli, Assoc Prof

Role: CONTACT

+905422368250

Nazan Doğan, MD

Role: CONTACT

+903123055000 ext. 6284

References

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Guermouche B, Soulimane-Mokhtari NA, Bouanane S, Merzouk H, Merzouk S, Narce M. Effect of dietary n - 3 polyunsaturated fatty acids on oxidant/antioxidant status in macrosomic offspring of diabetic rats. Biomed Res Int. 2014;2014:368107. doi: 10.1155/2014/368107. Epub 2014 Jun 2.

Reference Type RESULT
PMID: 24987679 (View on PubMed)

Soulimane-Mokhtari NA, Guermouche B, Yessoufou A, Saker M, Moutairou K, Hichami A, Merzouk H, Khan NA. Modulation of lipid metabolism by n-3 polyunsaturated fatty acids in gestational diabetic rats and their macrosomic offspring. Clin Sci (Lond). 2005 Sep;109(3):287-95. doi: 10.1042/CS20050028.

Reference Type RESULT
PMID: 15898958 (View on PubMed)

Dilli D, Dogan NN, Ipek MS, Cavus Y, Ceylaner S, Dogan H, Dursun A, Kucukozkan T, Zenciroglu A. MaFOS-GDM trial: Maternal fish oil supplementation in women with gestational diabetes and cord blood DNA methylation at insulin like growth factor-1 (IGF-1) gene. Clin Nutr ESPEN. 2018 Feb;23:73-78. doi: 10.1016/j.clnesp.2017.12.006. Epub 2017 Dec 30.

Reference Type DERIVED
PMID: 29460817 (View on PubMed)

Other Identifiers

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SamiUlusCH

Identifier Type: -

Identifier Source: org_study_id

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