Icosapent Ethyl Effects on Fatty Acid Profiles in Statin-Treated Patients With High Triglycerides: The Randomized, Placebo-controlled ANCHOR Study
Abstract
Fatty acid content in plasma and red blood cells (RBCs) may provide insight into potential physiologic benefits of omega-3 fatty acids. Icosapent ethyl is a pure prescription form of eicosapentaenoic acid (EPA) ethyl ester approved by the US Food and Drug Administration at a dose of 4 g/day as an adjunct to diet to reduce triglyceride levels in adults with severe (≥ 500 mg/dl) hypertriglyceridemia. This was a prespecified exploratory subset analysis of the ANCHOR study, which randomized 702 statin-treated patients at increased cardiovascular risk with triglycerides 200-499 mg/dl and controlled low-density lipoprotein cholesterol (40-99 mg/dl). This analysis examined effects of icosapent ethyl 4 g/day versus placebo on fatty acid levels in plasma and RBCs using a gas chromatograph assay method with flame ionization detector. In plasma, treatment with icosapent ethyl 4 g/day resulted in significant increases versus placebo in the mean concentrations of EPA (+ 635%; P < 0.0001) and its metabolite, docosapentaenoic acid n-3 (+ 143%; P < 0.0001) with no significant change in docosahexaenoic acid. Treatment with icosapent ethyl 4 g/day versus placebo also resulted in significant decreases in the omega-6 fatty acids linoleic acid (- 2...Continue Reading
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