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Effects of omega-3 fatty acid supplementation on insulin metabolism and lipid profiles in gestational diabetes: Randomized, double-blind, placebo-controlled trial.
Clin Nutr 2015; 34(3):388-93CN

Abstract

BACKGROUND & AIMS

We are aware of no study that examined the effects of omega-3 fatty acid supplementation on insulin metabolism and lipid profiles in gestational diabetes (GDM). This study was designed to assess the effects of omega-3 fatty acid supplementation on insulin concentrations and lipid profiles among pregnant women with GDM.

METHODS

This randomized, double-blind, placebo-controlled clinical trial was performed among 56 women with GDM. Subjects were randomly assigned to receive either 1000 mg omega-3 fatty acid supplements containing 180 mg eicosapentaenoic acid and 120 mg docosahexanoic acid (n = 28) or placebo (n = 28) for 6 weeks. Fasting blood samples were taken at study baseline and after 6 weeks of intervention to quantify biochemical variables.

RESULTS

Although omega-3 fatty acid supplementation did not led to a significant change in serum insulin levels and HOMA-IR in omega-3 fatty acid group, we found a significant difference in changes in serum insulin levels (change from baseline: -1.5 ± 7.5 vs. +3.5 ± 8.5 μIU/mL, P = 0.02) and HOMA-IR (-0.4 ± 2.1 vs. +1.1 ± 2.4, P = 0.02) comparing the two groups. Furthermore, a significant reduction in serum high sensitivity C-reactive protein (hs-CRP) levels was seen after omega-3 fatty acid supplementation compared with placebo (-236.3 ± 1541.9 vs. 898.6 ± 2292.7 ng/mL, P = 0.03). Omega-3 fatty acid supplementation did not influence fasting plasma glucose, homeostatic model assessment-Beta cell function (HOMA-B), quantitative insulin sensitivity check index (QUICKI) and lipid profiles.

CONCLUSIONS

Omega-3 fatty acid supplementation in GDM women had beneficial effects on insulin resistance, however, it did not affect plasma glucose, HOMA-B, QUICKI and lipid profiles. Clinical registration number: www.irct.ir as IRCT201312265623N16.

Authors+Show Affiliations

Department of Gynecology and Obstetrics, School of Medicine, Kashan University of Medical Sciences, Kashan, Iran.Department of Gynecology and Obstetrics, School of Medicine, Arak University of Medical Sciences, Arak, Iran.Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran. Electronic address: asemi_r@yahoo.com.Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran.

Pub Type(s)

Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

24973862

Citation

Samimi, Mansooreh, et al. "Effects of Omega-3 Fatty Acid Supplementation On Insulin Metabolism and Lipid Profiles in Gestational Diabetes: Randomized, Double-blind, Placebo-controlled Trial." Clinical Nutrition (Edinburgh, Scotland), vol. 34, no. 3, 2015, pp. 388-93.
Samimi M, Jamilian M, Asemi Z, et al. Effects of omega-3 fatty acid supplementation on insulin metabolism and lipid profiles in gestational diabetes: Randomized, double-blind, placebo-controlled trial. Clin Nutr. 2015;34(3):388-93.
Samimi, M., Jamilian, M., Asemi, Z., & Esmaillzadeh, A. (2015). Effects of omega-3 fatty acid supplementation on insulin metabolism and lipid profiles in gestational diabetes: Randomized, double-blind, placebo-controlled trial. Clinical Nutrition (Edinburgh, Scotland), 34(3), pp. 388-93. doi:10.1016/j.clnu.2014.06.005.
Samimi M, et al. Effects of Omega-3 Fatty Acid Supplementation On Insulin Metabolism and Lipid Profiles in Gestational Diabetes: Randomized, Double-blind, Placebo-controlled Trial. Clin Nutr. 2015;34(3):388-93. PubMed PMID: 24973862.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of omega-3 fatty acid supplementation on insulin metabolism and lipid profiles in gestational diabetes: Randomized, double-blind, placebo-controlled trial. AU - Samimi,Mansooreh, AU - Jamilian,Mehri, AU - Asemi,Zatollah, AU - Esmaillzadeh,Ahmad, Y1 - 2014/06/17/ PY - 2014/05/02/received PY - 2014/06/08/revised PY - 2014/06/11/accepted PY - 2014/6/30/entrez PY - 2014/6/30/pubmed PY - 2016/2/24/medline KW - Gestational diabetes KW - Omega-3 fatty acid KW - Pregnant women KW - Supplementation SP - 388 EP - 93 JF - Clinical nutrition (Edinburgh, Scotland) JO - Clin Nutr VL - 34 IS - 3 N2 - BACKGROUND & AIMS: We are aware of no study that examined the effects of omega-3 fatty acid supplementation on insulin metabolism and lipid profiles in gestational diabetes (GDM). This study was designed to assess the effects of omega-3 fatty acid supplementation on insulin concentrations and lipid profiles among pregnant women with GDM. METHODS: This randomized, double-blind, placebo-controlled clinical trial was performed among 56 women with GDM. Subjects were randomly assigned to receive either 1000 mg omega-3 fatty acid supplements containing 180 mg eicosapentaenoic acid and 120 mg docosahexanoic acid (n = 28) or placebo (n = 28) for 6 weeks. Fasting blood samples were taken at study baseline and after 6 weeks of intervention to quantify biochemical variables. RESULTS: Although omega-3 fatty acid supplementation did not led to a significant change in serum insulin levels and HOMA-IR in omega-3 fatty acid group, we found a significant difference in changes in serum insulin levels (change from baseline: -1.5 ± 7.5 vs. +3.5 ± 8.5 μIU/mL, P = 0.02) and HOMA-IR (-0.4 ± 2.1 vs. +1.1 ± 2.4, P = 0.02) comparing the two groups. Furthermore, a significant reduction in serum high sensitivity C-reactive protein (hs-CRP) levels was seen after omega-3 fatty acid supplementation compared with placebo (-236.3 ± 1541.9 vs. 898.6 ± 2292.7 ng/mL, P = 0.03). Omega-3 fatty acid supplementation did not influence fasting plasma glucose, homeostatic model assessment-Beta cell function (HOMA-B), quantitative insulin sensitivity check index (QUICKI) and lipid profiles. CONCLUSIONS: Omega-3 fatty acid supplementation in GDM women had beneficial effects on insulin resistance, however, it did not affect plasma glucose, HOMA-B, QUICKI and lipid profiles. Clinical registration number: www.irct.ir as IRCT201312265623N16. SN - 1532-1983 UR - https://www.unboundmedicine.com/medline/citation/24973862/Effects_of_omega_3_fatty_acid_supplementation_on_insulin_metabolism_and_lipid_profiles_in_gestational_diabetes:_Randomized_double_blind_placebo_controlled_trial_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0261-5614(14)00169-1 DB - PRIME DP - Unbound Medicine ER -