Boosting of Voriconazole Levels With Omeprazole, a CYP450 2C19 Inhibitor.

Boosting of Voriconazole Levels With Omeprazole, a CYP450 2C19 Inhibitor.

Author:

Hsu AJ, Lee CKK, McAteer J, Zhang SX, Tamma PD.

Date: 3 March 2023

Abstract:

Children metabolize voriconazole faster than adults and require higher weight-based doses and more frequent administration to achieve therapeutic troughs. We report a case of a 4-year-old girl with disseminated fusariosis with persistently undetectable voriconazole troughs. Omeprazole was added as a CYP2C19-inhibitor to increase voriconazole concentrations. This case highlights the role of omeprazole for voriconazole boosting in a child.

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