3 years ago

Therapeutic drug monitoring of voriconazole for treatment and prophylaxis of invasive fungal infection in children.

Giovanni Di Perri, Chiara Carcieri, Fabio Favata, Antonio D'Avolio, Sarah Allegra, Amedeo De Nicolò, Giovanna Fatiguso, Jessica Cusato, Elisa Pirro, Silvia De Francia
Voriconazole therapeutic drug monitoring is not consistently recommended due to its high interpatients and intrapatients variability. Here, we aimed to describe our experience with voriconazole for treatment and prophylaxis of invasive fungal infections, in paediatric patients. A fully validated HPLC-MS method was used to quantify voriconazole concentration in plasma, at the end of dosing interval. A high interindividual variability was shown. We enrolled 237 children, 83 receiving intravenous and 154 oral voriconazole. A positive correlation between drug dose and drug plasma exposure was observed. Considering intravenous route, patients with higher serum creatinine had higher voriconazole concentrations; a positive correlation was found among drug exposure and age. Moreover gender significantly influenced drug levels: males had higher median drug concentrations than females (p<0.001). Close voriconazole pharmacokinetics monitoring should help individualize antifungal therapy for children.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1111/bcp.13401

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