Lipid effects of switching from prescription EPA+DHA (omega-3-acid ethyl esters) to prescription EPA only (icosapent ethyl) in dyslipidemic patients
Abstract
OBJECTIVES: Residual cardiovascular risk and persistently elevated triglycerides (TGs) may remain despite statin therapy in patients with dyslipidemia. Prescription omega-3 fatty acid formulations containing docosahexaenoic acid (DHA) and/or eicosapentaenoic acid (EPA) have been shown to reduce TGs and may potentially lower residual cardiovascular risk. However, DHA may raise low-density lipoprotein cholesterol (LDL-C) and compromise treatment goals. Icosapent ethyl (Vascepa®), a high-purity prescription EPA formulation, has been shown to lower TGs and other lipid parameters without raising LDL-C. There are no prospective, randomized, controlled trials of the effects of switching patients from omega-3-acid ethyl esters (Lovaza®), a prescription formulation containing EPA+DHA, to icosapent ethyl.
METHODS: This retrospective chart review included records of high-risk patients aged ≥18 years receiving stable statin therapy for dyslipidemia who had been switched from prescription omega-3-acid ethyl esters 4 g/day to prescription icosapent ethyl 4 g/day and had available laboratory lipid profiles after receiving each for ≥2 months. Lipid assessments were conducted by local laboratories. Patient records were excluded if there were changes in medication or health condition that could affect lipid parameters.
RESULTS: The records of 8 patients (6 women and 2 men; 54-83 years) met eligibility criteria. Following the switch to icosapent ethyl, LDL-C changes ranged from +3.2% to -69.1%…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 8 participants or records.
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