The free fractions of circulating docosahexaenoic acid and eicosapentenoic acid as optimal end-point of measure in bioavailability studies on n-3 fatty acids

Lucia Lisi, Pierluigi Navarra, Claudia Scarsi, Ann Levesque

Risultato della ricerca: Contributo in rivistaArticolo in rivista

1 Citazioni (Scopus)

Abstract

The high complexity of n-3 fatty acids absorption process, along with the huge amount of endogenous fraction, makes bioavailability studies with these agents very challenging and deserving special consideration. In this paper we report the results of a bioequivalence study between a new formulation of EPA+DHA ethyl esters developed by IBSA Institut Biochimique and reference medicinal product present on the Italian market. Bioequivalence was demonstrated according to the criteria established by the EMA Guideline on the Investigation of Bioequivalence. We found that the free fractions represent a better and more sensitive end-point for bioequivalence investigations on n-3 fatty acids, since: (i) the overall and intra-subject variability of PK parameters was markedly lower compared to the same variability calculated on the total DHA and EPA fractions; (ii) the absorption process was completed within 4h, and the whole PK profile could be drawn within 12-15 h from drug administration.
Lingua originaleEnglish
pagine (da-a)11-16
Numero di pagine6
RivistaPROSTAGLANDINS, LEUKOTRIENES, AND ESSENTIAL FATTY ACIDS
Volume96
DOI
Stato di pubblicazionePubblicato - 2015

Keywords

  • Bioavailability studies
  • Biological Availability
  • Docosahexaenoic Acids
  • Docosahexaenoic acid
  • Drug Combinations
  • Eicosapentaenoic Acid
  • Eicosapentenoic acid
  • Fasting
  • Fatty Acids, Omega-3
  • Female
  • Humans
  • Male
  • Young Adult
  • n-3 Fatty acids

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