Influence of the Oral Dissolution Time on the Absorption Rate of Locally Administered Solid Formulations for Oromucosal Use: The Flurbiprofen Lozenges Paradigm

Lucia Lisi, Pierluigi Navarra, Roberto Imberti, Simona De Gregori

Risultato della ricerca: Contributo in rivistaArticolo in rivista

3 Citazioni (Scopus)

Abstract

Flurbiprofen is a nonsteroidal anti-inflammatory agent preferentially used for local oromucosal treatment of painful and/or inflammatory conditions of the oropharynx such as gingivitis, stomatitis, periodontitis, pharyngitis and laryngitis. In this study, we have investigated the bioavailability of a new generic formulation of flurbiprofen lozenges developed by Epifarma Srl, compared to the originator Benactiv Gola® taken as reference. Within the framework of a formal bioequivalence study, we investigated in particular the putative influence of oral dissolution time (i.e. the time spent suckling the lozenge from its intake to complete dissolution) on the absorption rate, and the contribution of this factor to the total variability of plasma flurbiprofen during absorption. We found that the amount of flurbiprofen absorbed into the systemic circulation is not significantly higher for the test drug compared to that of the reference product. We observed that the length of oral dissolution time is inversely correlated to 10-min flurbiprofen plasma levels in the test but not in the reference formulation. We estimated that oral dissolution time accounts for about 14% of overall variability in flurbiprofen plasma 10 min after test drug administration. © 2014 S. Karger AG, Basel.
Lingua originaleEnglish
pagine (da-a)143-147
Numero di pagine5
RivistaPharmacology
Volume94
DOI
Stato di pubblicazionePubblicato - 2014

Keywords

  • Flurbiprofen
  • oral dissolution time

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