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صفحه اصلی>مقالات علمی>The effect of calcitriol on lipid profile and oxidative stress in hyperlipidemic patients with type ۲ diabetes mellitus
The effect of calcitriol on lipid profile and oxidative stress in hyperlipidemic patients with type ۲ diabetes mellitus
Abstract
BACKGROUND: Cardiovascular mortality is high among diabetic patients due to abnormalities
in the plasma lipid and lipoprotein metabolism, and increased oxidative stress. This study aimed
to investigate the effects of active vitamin D on serum lipids and oxidative stress markers in type
۲ diabetic patients.
METHODS: A double-blind randomized placebo-controlled trial was carried out in ۷۰
participants with type ۲ diabetes, aged ۳۰-۷۵ years of age. The participants were randomly
assigned to two groups. One group received two capsules of calcitriol (۰.۲۵ μg ۱,۲۵-
dihydroxycholecalciferol per capsule) per day. The second group received placebo tablets. All
participants received their oral hypoglycemic drugs as prescribed by the endocrinologist. At the
beginning, after ۶ weeks, and at the end of the ۱۲-week supplementation trial, serum total
cholesterol, low-density lipoprotein (LDL), high-density lipoprotein (HDL), triglyceride (TG),
and serum malondialdehyde (MDA) levels were measured.
RESULTS: There was a significant reduction in total cholesterol, LDL-cholesterol, TG, and MDA
levels in both treatment and placebo groups (P < ۰.۰۵). Serum HDL-cholesterol level decreased
significantly in the placebo group (P < ۰.۰۵), while it remained unchanged in the treatment
group. However, the P values related to the between group’s comparisons were not significant
for any variables.
CONCLUSION: Active vitamin D reduced lipid profile and oxidative stress markers in diabetic
patients compared to the control group, but these alterations were not statistically significant
Keywords: Diabetes Mellitus, Lipoproteins, Oxidative Stress, Vitamin D

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