Abstract
As a glycopeptide antibiotic, vancomycin is the first choice for treatment of methicilin-resistant staphylococcus aureus(MRSA)infection.Because of the metabolic individual difference, if children were given the dose according to the instruction, few patients can achieve the valley concentration as recommended in the guideline.So it′s necessary for optimizing individual vancomycin dosage regimen with the help of therapeutic drug monitoring(TDM)and population pharmacokinetics model-nonlinear mixed effect model(NONMEM), in order to realiz the combination of effect and safety.This article will introduce the population pharmacokinetics model of vancomycin in children and discuss about major parameters influencing vancomycin metabolism, including age, body mass index, renal function, health condition, and drug combination.With rational therapeutic drug monitoring and optimizing parameters of NONMEM, we hope to realize area under concentration-time curve/ minimum inhibit concentration(AUC/MIC)ratio ≥400, and to provide the reference for safe and rational pediatric dosage regimen. Key words: Vancomycin; Nonlinear mixed effect model; Area under concentration-time curve/ minimum inhibit concentration; Individualized treatment
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