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Effects of a Self-micro-emulsifying Delivery System Formulation Versus a Standard ω-3 Acid Ethyl Ester Product on the Bioavailability of Eicosapentaenoic Acid and Docosahexaenoic Acid: A Study in Healthy Men and Women in a Fasted State.

Abstract：

PURPOSE:Intakes of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are associated with several potential health benefits, but standard ethyl ester (EE) formulations of these ω-3 fatty acids require the co-ingestion of fat for adequate absorption. The objective of this research was to assess the relative bioavailability of EPA and DHA administered in a proprietary self-micro-emulsifying delivery system (SMEDS) formulation compared with EPA and DHA in a standard ω-3 acid EE product in healthy men and women in a fasted state. METHODS:This randomized crossover study investigated the bioavailability of 2 encapsulated formulations of EPA and DHA, a capsule containing 500 mg EPA + DHA administered in a SMEDS formulation (SMEDS treatment), and a capsule containing 840 mg EPA + DHA in a standard ω-3 acid EE formulation (EE treatment). Subjects consumed a single dose of their assigned capsule in a fasting state, and plasma was collected before and for 24 h after dosing. Subjects underwent a ≥14-day washout and were crossed over to the other treatment condition. Plasma concentrations of EPA, DHA, and EPA + DHA were assessed. FINDINGS:Twenty-three subjects (11 women, 12 men; mean [SEM] age, 33.8 [2.1] years; and body mass index, 24.9 [0.7] kg/m2) completed the trial. The baseline-adjusted, dose-normalized, arithmetic means (SD) of the incremental (i)-AUC0-24h for EPA + DHA were 543 (266) and 102 (88.2) h · μg/mL/g for the SMEDS and EE formulations, respectively (P < 0.001). The iAUC0-24h least-squares geometric mean ratio (90% CI) for SMEDS:standard EE was 475/58 = 8.2 (4.8-13.9), indicating markedly higher bioavailability of EPA + DHA with the SMEDS formulation compared to the standard EE formulation. This finding was also true for EPA (geometric mean ratio [90% CI], 18.2 [11.3-29.3]) and DHA (geometric mean ratio [90% CI], 4.5 [2.9-7.0]). IMPLICATIONS:The SMEDS delivery system markedly enhanced appearance in plasma of EPA and DHA, compared to a standard EE formulation, when ingested in the fasting state. ClinicalTrials.gov identifier: NCT03443076.

journal_name

Clin Ther

journal_title

Clinical therapeutics

authors

Maki KC,Palacios OM,Buggia MA,Trivedi R,Dicklin MR,Maki CE

doi

10.1016/j.clinthera.2018.10.014

subject

Has Abstract

pub_date

2018-12-01 00:00:00

pages

2065-2076

issue

eissn

0149-2918

issn

1879-114X

pii

S0149-2918(18)30509-5

journal_volume

pub_type

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Effects of a Self-micro-emulsifying Delivery System Formulation Versus a Standard ω-3 Acid Ethyl Ester Product on the Bioavailability of Eicosapentaenoic Acid and Docosahexaenoic Acid: A Study in Healthy Men and Women in a Fasted State.