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RESEARCH PRODUCT

Testing the Short-Term Efficacy of a Lipid-Lowering Nutraceutical in the Setting of Clinical Practice: A Multicenter Study

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Abstract The main guidelines for cardiovascular disease prevention suggest that nutraceuticals could be an efficacious tool to improve lipid pattern. Our aim was to carry out a clinical trial comparing the metabolic effects of a combined nutraceutical containing both red yeast rice and polyunsaturated fatty acids (PUFAs) and a phytosterol-based approach in a setting of clinical practice. This was a multicenter open study with parallel control. We consecutively enrolled 107 pharmacologically untreated subjects affected by primary polygenic hypercholesterolemia and metabolic syndrome, assigned to 8-week treatment with a combined treatment with red yeast rice (Dif1Stat®, including 5 mg monacolin K) and 610 mg PUFAs. A parallel group of 30 subjects with similar characteristics was treated with phytosterols 1600 mg/die. In the combined nutraceutical group, compared with the baseline level, we observed a significant decrease in total cholesterol (TC; −42.50 ± 18.1 mg/dL), low-density lipoprotein cholesterol (LDL-C; −37.6 ± 13.6 mg/dL), triglycerides (TG; −19.8 ± 25.1 mg/dL), and non-HDL-C (−43.1 ± 17.7 mg/dL) (all P < .001). In the phytosterol-treated group, compared to the baseline level, we observed a significant decrease in TC (−13.7 ± 4.3 mg/dL), LDL-C (−17.6 ± 8.5 mg/dL), and non-HDL-C (−14.1 ± 5.6 mg/dL) (all P < .001). When comparing the combined nutraceutical effect with that of phytosterols, we observed that the combined nutraceutical intake was associated with a significantly higher decrease in TC, LDL-C, TG, and non-HDL-C (all P < .001). In the short term, a combined nutraceutical containing red yeast rice and PUFAs is well tolerated and efficacious in reducing plasma lipid levels in subjects affected by primary polygenic hypercholesterolemia and metabolic syndrome.