Effects of MK-7 Supplementation on Glycemic Status, Anthropometric Indices and Lipid Profile in Patients with Type 2 Diabetes: A Randomized Controlled Trial

Nahid Karamzad,1– 3 Esmaeil Faraji,4 Shaghayegh Adeli,2 Kristin Carson‐Chahhoud,5,6 Samaneh Azizi,2 Bahram Pourghassem Gargari2,3 1Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; 2Department of Biochemistry and Diet Therapy, Faculty of Nutrition and Food Sc...

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Autores principales:	Karamzad N, Faraji E, Adeli S, Carson‐Chahhoud K, Azizi S, Pourghassem Gargari B
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2020
Materias:	diabetes dyslipidemia glycemic status menaquinone mk-7 phylloquinone vitamin k anthropometric indices Specialties of internal medicine RC581-951
Acceso en línea:	https://doaj.org/article/753ea5ac7ab14221913114b0ddf15474
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id	oai:doaj.org-article:753ea5ac7ab14221913114b0ddf15474
record_format	dspace
institution	DOAJ
collection	DOAJ
language	EN
topic	diabetes dyslipidemia glycemic status menaquinone mk-7 phylloquinone vitamin k anthropometric indices Specialties of internal medicine RC581-951
spellingShingle	diabetes dyslipidemia glycemic status menaquinone mk-7 phylloquinone vitamin k anthropometric indices Specialties of internal medicine RC581-951 Karamzad N Faraji E Adeli S Carson‐Chahhoud K Azizi S Pourghassem Gargari B Effects of MK-7 Supplementation on Glycemic Status, Anthropometric Indices and Lipid Profile in Patients with Type 2 Diabetes: A Randomized Controlled Trial
description	Nahid Karamzad,1– 3 Esmaeil Faraji,4 Shaghayegh Adeli,2 Kristin Carson‐Chahhoud,5,6 Samaneh Azizi,2 Bahram Pourghassem Gargari2,3 1Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; 2Department of Biochemistry and Diet Therapy, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; 3Nutrition Research Center, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; 4Endocrine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; 5Australian Centre for Precision Health, School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia; 6School of Medicine, University of Adelaide, Adelaide, South Australia, AustraliaCorrespondence: Bahram Pourghassem GargariDepartment of Biochemistry and Diet Therapy, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, IranEmail bahrampg@yahoo.comBackground: Type 2 diabetes mellitus (T2DM) is a prevalent disorder which accounts for 90– 95% of diabetic patients. The aim of this study was to assess the effects of menaquinone (MK-7) supplementation on glycemic indices, anthropometric indices and lipid profile, among patients with T2DM.Methods: In this double-blind placebo-controlled randomized clinical trial, 60 men and women with T2DM were allocated equally into either the MK-7 (200 μg/day) or the placebo group. Physical activity level and dietary intake were assessed using the international physical activity questionnaire-short form (IPAQ-SF) and a 3-day food record, pre- and post-intervention. Anthropometric measures, blood pressure, glycemic indices and lipid profile including fasting blood sugar (FBS), hemoglobin A1c (HBA1C), fasting insulin (FI), homeostatic model assessment insulin resistance index (HOMA-IR), triglycerides (TG), total cholesterol (TC), high-density lipoprotein (HDL-C) and low-density lipoprotein (LDL-C) were measured at baseline and after twelve weeks.Results: Forty-five patients completed the trial. There were no significant between-group differences for calorie intake, macronutrient intake, physical activity level or anthropometric measures at baseline and at the end of the study. Dietary vitamin K intake increased significantly at the end of the study in the MK-7 (p: 0.02) and placebo (p: 0.001) groups, but intergroup differences were not significant (p: 0.86). FBS (p: 0.01), HbA1c (p: 0.002), fasting insulin (p: 0.01) and HOMA-IR (p: 0.007) decreased significantly in the MK-7 group. Furthermore, after adjustment for the baseline values and changes of vitamin K intake at the end of study, FBS and HbA1C showed significant intergroup changes, and they were significantly lower in the MK-7 group compared to the placebo group. Lipid profile (TG, TC, LDL-C, HDL-C and LDL-C/HDL-C) did not change significantly within or between groups.Conclusion: MK-7 supplementation seems to be effective in the improvement of glycemic indices, but not the lipid profile of patients with T2DM.Clinical Trial Registration: The present study was prospectively registered at the Iranian Registry of Clinical Trials on May 2019 (ID: IRCT20100123003140N22).Keywords: diabetes, dyslipidemia, glycemic status, menaquinone, MK-7, phylloquinone, vitamin K, anthropometric indices
format	article
author	Karamzad N Faraji E Adeli S Carson‐Chahhoud K Azizi S Pourghassem Gargari B
author_facet	Karamzad N Faraji E Adeli S Carson‐Chahhoud K Azizi S Pourghassem Gargari B
author_sort	Karamzad N
title	Effects of MK-7 Supplementation on Glycemic Status, Anthropometric Indices and Lipid Profile in Patients with Type 2 Diabetes: A Randomized Controlled Trial
title_short	Effects of MK-7 Supplementation on Glycemic Status, Anthropometric Indices and Lipid Profile in Patients with Type 2 Diabetes: A Randomized Controlled Trial
title_full	Effects of MK-7 Supplementation on Glycemic Status, Anthropometric Indices and Lipid Profile in Patients with Type 2 Diabetes: A Randomized Controlled Trial
title_fullStr	Effects of MK-7 Supplementation on Glycemic Status, Anthropometric Indices and Lipid Profile in Patients with Type 2 Diabetes: A Randomized Controlled Trial
title_full_unstemmed	Effects of MK-7 Supplementation on Glycemic Status, Anthropometric Indices and Lipid Profile in Patients with Type 2 Diabetes: A Randomized Controlled Trial
title_sort	effects of mk-7 supplementation on glycemic status, anthropometric indices and lipid profile in patients with type 2 diabetes: a randomized controlled trial
publisher	Dove Medical Press
publishDate	2020
url	https://doaj.org/article/753ea5ac7ab14221913114b0ddf15474
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spelling	oai:doaj.org-article:753ea5ac7ab14221913114b0ddf154742021-12-02T09:40:43ZEffects of MK-7 Supplementation on Glycemic Status, Anthropometric Indices and Lipid Profile in Patients with Type 2 Diabetes: A Randomized Controlled Trial1178-7007https://doaj.org/article/753ea5ac7ab14221913114b0ddf154742020-06-01T00:00:00Zhttps://www.dovepress.com/effects-of-mk-7-supplementation-on-glycemic-status-anthropometric-indi-peer-reviewed-article-DMSOhttps://doaj.org/toc/1178-7007Nahid Karamzad,1– 3 Esmaeil Faraji,4 Shaghayegh Adeli,2 Kristin Carson‐Chahhoud,5,6 Samaneh Azizi,2 Bahram Pourghassem Gargari2,3 1Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; 2Department of Biochemistry and Diet Therapy, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; 3Nutrition Research Center, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; 4Endocrine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; 5Australian Centre for Precision Health, School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia; 6School of Medicine, University of Adelaide, Adelaide, South Australia, AustraliaCorrespondence: Bahram Pourghassem GargariDepartment of Biochemistry and Diet Therapy, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, IranEmail bahrampg@yahoo.comBackground: Type 2 diabetes mellitus (T2DM) is a prevalent disorder which accounts for 90– 95% of diabetic patients. The aim of this study was to assess the effects of menaquinone (MK-7) supplementation on glycemic indices, anthropometric indices and lipid profile, among patients with T2DM.Methods: In this double-blind placebo-controlled randomized clinical trial, 60 men and women with T2DM were allocated equally into either the MK-7 (200 μg/day) or the placebo group. Physical activity level and dietary intake were assessed using the international physical activity questionnaire-short form (IPAQ-SF) and a 3-day food record, pre- and post-intervention. Anthropometric measures, blood pressure, glycemic indices and lipid profile including fasting blood sugar (FBS), hemoglobin A1c (HBA1C), fasting insulin (FI), homeostatic model assessment insulin resistance index (HOMA-IR), triglycerides (TG), total cholesterol (TC), high-density lipoprotein (HDL-C) and low-density lipoprotein (LDL-C) were measured at baseline and after twelve weeks.Results: Forty-five patients completed the trial. There were no significant between-group differences for calorie intake, macronutrient intake, physical activity level or anthropometric measures at baseline and at the end of the study. Dietary vitamin K intake increased significantly at the end of the study in the MK-7 (p: 0.02) and placebo (p: 0.001) groups, but intergroup differences were not significant (p: 0.86). FBS (p: 0.01), HbA1c (p: 0.002), fasting insulin (p: 0.01) and HOMA-IR (p: 0.007) decreased significantly in the MK-7 group. Furthermore, after adjustment for the baseline values and changes of vitamin K intake at the end of study, FBS and HbA1C showed significant intergroup changes, and they were significantly lower in the MK-7 group compared to the placebo group. Lipid profile (TG, TC, LDL-C, HDL-C and LDL-C/HDL-C) did not change significantly within or between groups.Conclusion: MK-7 supplementation seems to be effective in the improvement of glycemic indices, but not the lipid profile of patients with T2DM.Clinical Trial Registration: The present study was prospectively registered at the Iranian Registry of Clinical Trials on May 2019 (ID: IRCT20100123003140N22).Keywords: diabetes, dyslipidemia, glycemic status, menaquinone, MK-7, phylloquinone, vitamin K, anthropometric indicesKaramzad NFaraji EAdeli SCarson‐Chahhoud KAzizi SPourghassem Gargari BDove Medical Pressarticlediabetesdyslipidemiaglycemic statusmenaquinonemk-7phylloquinonevitamin kanthropometric indicesSpecialties of internal medicineRC581-951ENDiabetes, Metabolic Syndrome and Obesity: Targets and Therapy, Vol Volume 13, Pp 2239-2249 (2020)

Effects of MK-7 Supplementation on Glycemic Status, Anthropometric Indices and Lipid Profile in Patients with Type 2 Diabetes: A Randomized Controlled Trial

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