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Randomized Controlled Trial
. 2017 Aug;33:1-5.
doi: 10.1016/j.ctim.2017.05.006. Epub 2017 May 29.

Curcuminoids Modify Lipid Profile in Type 2 Diabetes Mellitus: A Randomized Controlled Trial

Randomized Controlled Trial

Curcuminoids Modify Lipid Profile in Type 2 Diabetes Mellitus: A Randomized Controlled Trial

Yunes Panahi et al. Complement Ther Med. .


Background: Type 2 diabetes (T2D) is an established risk factor for cardiovascular disease (CVD) and is associated with disturbed metabolism of lipids and lipoproteins. Curcuminoids are natural products with anti-diabetic and lipid-modifying actions but their efficacy in improving dyslipidemia in diabetic individuals has not been sufficiently studied.

Objective: To investigate the efficacy of supplementation with curcuminoids, plus piperine as an absorption enhancer, in improving serum lipids in patients with T2D.

Methods: In this 12-week randomized double-blind placebo-controlled trial, subjects with T2D (n=118) were assigned to curcuminoids (1000mg/day plus piperine 10mg/day) or placebo plus standard of care for T2D. Serum concentrations of lipids including total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), triglycerides (TG), lipoprotein(a) [Lp(a)], and non-HDL-C were determined at baseline and at the end of trial.

Results: Between-group comparison of change in the study parameters revealed significant reductions in serum levels of TC (-21.86±25.78 versus -17.06±41.51, respectively; p=0.023), non-HDL-C (-23.42±25.13 versus -16.84±41.42, respectively; p=0.014) and Lp(a) (-1.50±1.61 versus -0.34±1.73, respectively; p=0.001) and elevations in serum HDL-C levels (1.56±4.25 versus -0.22±4.62, respectively; p=0.048) in the curcuminoids group as compared with the placebo group (p<0.05). Serum TG and LDL-C changes did not show any significant difference between the study groups (p>0.05).

Conclusion: Curcuminoids supplementation can reduce serum levels of atherogenic lipid indices including non-HDL-C and Lp(a). Therefore, curcuminoids supplementation could contribute to a reduced risk of cardiovascular events in dyslipidemic patients with T2D.

Keywords: Cardiovascular disease; Cholesterol; Curcumin; Diabetes; Dyslipidemia; Lipoprotein(a).

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