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  • Title: Oral voriconazole and miconazole oral gel produce comparable effects on the pharmacokinetics and pharmacodynamics of etoricoxib.
    Author: Hynninen VV, Olkkola KT, Neuvonen PJ, Laine K.
    Journal: Eur J Clin Pharmacol; 2009 Jan; 65(1):89-95. PubMed ID: 18777173.
    Abstract:
    PURPOSE: The effect of topical miconazole oral gel and systemic oral voriconazole on the pharmacokinetics of oral etoricoxib was studied in 12 healthy volunteers. METHODS: Plasma concentrations of etoricoxib, miconazole, voriconazole, and thromboxane B(2) generation were followed after ingestion of 60 mg etoricoxib without pretreatment, after topical administration of miconazole oral gel (85 mg x 3, 3 days), or after oral voriconazole (400 mg x 2, 1st day, 200 mg x 2, 2nd day). RESULTS: Etoricoxib area under the plasma concentration-time curve (AUC(0-00)) and maximum plasma concentration (C(max)) geometric mean ratios (GMR) with/without miconazole were 1.69 {90% confidence interval (CI); 1.46-1.92} and 1.12 (90% CI; 0.99-1.25), respectively, and corresponding GMRs with/without voriconazole were 1.49 (90% CI; 1.37-1.61) and 1.19 (90% CI; 1.08-1.31), respectively. CONCLUSIONS: Miconazole oral gel and oral voriconazole produced comparable increase in the exposure to etoricoxib, presumably via CYP3A inhibition.
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