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Prediction of Vancomycin dose for recommended trough concentrations in pediatric patients with cystic fibrosis
Journal article   Peer reviewed

Prediction of Vancomycin dose for recommended trough concentrations in pediatric patients with cystic fibrosis

Raid W. Amin, Rodney P. Guttmann, Quianna R. Harris and Janesha W. Thomas
The Journal of Clinical Pharmacology, Vol.58, pp.662-665
58
2018
DOI: https://doi.org/10.1002/jcph.1061
PMID: 29319843
Web of Science ID: WOS:000430471600010

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Abstract

Vancomycin is a key antibiotic used in the treatment of multiple conditions including infections associated with cystic fibrosis and methicillin-resistant Staphylococcus aureus. The present study sought to develop a model based on empirical evidence of optimal vancomycin dose as judged by clinical observations that could accelerate the achievement of desired trough level in children with cystic fibrosis. Transformations of dose and trough were used to arrive at regression models with excellent fit for dose based on weight or age for a target trough. Results of this study indicate that the 2 proposed regression models are robust to changes in age or weight, suggesting that the daily dose on a per-kilogram basis is determined primarily by the desired trough level. The results show that to obtain a vancomycin trough level of 20 μg/mL, a dose of 80 mg/kg/day is needed. This analysis should improve the efficiency of vancomycin usage by reducing the number of titration steps, resulting in improved patient outcome and experience.

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