The aim of this study was to investigate the pharmacokinetics of oseltamivir phosphate, a prodrug, and its active moiety in plasma and lung after its nebulization and intravenous administration in rats. Only 2% of prodrug was converted into active moiety presystematically, attesting to a low advantage of oseltamivir phosphate nebulization, suggesting that oseltamivir phosphate nebulization is not a good option to obtain a high exposure of the active moiety at the infection site within lung.
Keywords: lung; nebulization; oseltamivir; pharmacokinetics; prodrug.
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