SynthesisAmerican journal of cardiovascular drugs : drugs, devices, and other interventions2026
Formulation-Specific Cardiovascular Outcomes with High-Dose Eicosapentaenoic Acid: A Systematic Review and Meta-analysis.
Synthesis in American journal of cardiovascular drugs : drugs, devices, and other interventions, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
BACKGROUND/
objectiveResidual cardiovascular risk persists despite intensive statin therapy in patients with established atherosclerotic cardiovascular disease (CVD). Omega-3 fatty acids, particularly high-dose eicosapentaenoic acid (EPA), have been proposed as adjunctive therapy, yet trial results conflict, likely due to formulation differences. We conducted a formulation-focused meta-analysis to determine whether high-dose EPA-dominant supplementation reduces cardiovascular events and to quantify the impact of mixed EPA/docosahexaenoic acid (DHA) regimens on efficacy.
methodsFollowing Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) 2020 guidelines, we searched MEDLINE, Embase, CENTRAL, and trial registries through May 2025 for randomized controlled trials, including placebo-controlled and open-label designs, of high-dose EPA-dominant omega-3 (≥ 1.8 g/day; ≥ 50% EPA) in adults with established CVD or other high-risk settings. Six trials (n = 42,738; 31-85% male) were eligible. Random-effects models generated pooled risk ratios (RRs), with I
resultsEPA-based therapy significantly reduced hospitalizations for unstable angina (RR 0.75, 95% CI 0.66-0.87; I
conclusionHigh-dose EPA-dominant therapy was associated with fewer unstable angina hospitalizations, and formulation appeared to modify clinical benefit. Among blinded, placebo-controlled, cardiovascular outcomes trials, 4 g/day icosapent ethyl is the only formulation independently associated with reduced cardiovascular events. Larger formulation-specific trials are needed to clarify the roles of purified EPA, mixed EPA/DHA regimens, and patient selection. REGISTRATION: PROSPERO identifier number: CRD420251063069.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.