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  • Title: Hydroxypropylmethylcellulose lowers cholesterol in statin-treated men and women with primary hypercholesterolemia.
    Author: Maki KC, Carson ML, Miller MP, Anderson WH, Turowski M, Reeves MS, Kaden V, Dicklin MR.
    Journal: Eur J Clin Nutr; 2009 Aug; 63(8):1001-7. PubMed ID: 19209184.
    Abstract:
    BACKGROUND/OBJECTIVES: Consumption of hydroxypropylmethylcellulose (HPMC), a viscous dietary fiber, lowers total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C). However, HPMC had not previously been studied in individuals receiving lipid drug therapy. SUBJECTS/METHODS: This randomized, double-blind crossover trial examined the lipid effects of HPMC in subjects with hypercholesterolemia on statin therapy. Men (n=5) and women (n=8) with LDL-C> or =2.59 mmol/l after at least 4 weeks of stable-dose statin therapy, and a mean age of 58.6 years, were enrolled. Subjects received twice daily doses of either 2.5 g HPMC or control, delivered in a lemonade beverage for 4 weeks, then crossed over to receive the opposite treatment for an additional 4 weeks. RESULTS: Mean baseline concentrations of TC, non-high-density lipoprotein cholesterol (non-HDL-C), LDL-C, HDL-C, triglyceride (TG), TC/HDL-C ratio and apolipoprotein (Apo) B were 4.95, 3.63, 3.03, 1.33, 1.30 and 3.89 mmol/l and 1.00 g/l, respectively. HPMC consumption resulted in significantly larger reductions (P<0.01 vs control for all) in TC (-10.9 vs -3.5%), non-HDL-C (-12.8 vs -2.9%), LDL-C (-15.7 vs -5.1%), TC/HDL-C ratio (-5.3 vs +1.3%) and Apo B (-8.7 vs -3.9%). There were no differences between treatments for changes in HDL-C (-5.2 vs -4.3%) or TG (+3.9 vs +8.9%). CONCLUSIONS: These results support the view that HPMC is an effective adjunct to statin therapy for further lowering atherogenic lipids and lipoproteins in men and women with primary hypercholesterolemia.
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