Effect of homocysteine-lowering therapy on arterial elasticity and metabolic parameters in metformin-treated diabetic patients

Atherosclerosis
M MashaviM Shargorodsky

Abstract

Metformin may affect the risk of atherothrombotic disease. However, metformin increases levels of homocysteine (Hcy), considered an independent risk factor for atherosclerosis. We evaluate whether homocysteine-lowering has a beneficial effect on arterial elasticity and metabolic parameters in metformin-treated diabetic patients. In double-blind, placebo-controlled study, 60 diabetic patients treated with high dose of metformin were randomly assigned to receive daily oral supplementation with folate (1000 mcg), vitamins B12 (400 mcg) and B6 (10mg) (group 1) or placebo (group 2). Lipid profile, HbA1C, insulin, C-peptide, hs-CRP, vitamin B12, folic acid, homocysteine, endothelin, homeostasis model assessment-insulin resistance (HOMA-IR) were measured. Arterial elasticity was evaluated using pulse wave contour analysis (HDI CR 2000, Eagan, MN). The two groups were similar at baseline in terms of hemodynamic and arterial elasticity parameters. After a 4-month small artery elasticity index (SAEI) was significantly greater in patients who received Hcy-lowering agents than in the placebo group: 4.3+/-2.04 ml/mm Hg x 100 versus 3.2+/-1.1 ml/mm Hg x 100, p=0.01. Post-treatment vitamin B12 and folic acid levels were greater in group 1 ver...Continue Reading

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Citations

Jul 30, 2009·Current Opinion in Cardiology·Alison M HillPenny M Kris-Etherton
Feb 18, 2016·Journal of the American College of Nutrition·Maryam RafrafBahram Pourghassem Gargari
Mar 20, 2013·International Journal of Food Sciences and Nutrition·Pardis IrandoostSaeed Pirouzpanah
Aug 2, 2011·Diabetes Research and Clinical Practice·Bahram Pourghassem GargariAkbar Aliasgharzadeh
Apr 4, 2009·Neurobiology of Aging·Dimitri E ZylbersteinIngmar Skoog
Jan 8, 2019·The American Journal of Clinical Nutrition·Mads Vendelbo LindJane Nygaard Eriksen

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