Population pharmacokinetics of vancomycin in Chinese infants

被引:9
|
作者
Sheng, Xiao-yan [1 ]
Chen, Chao-yang [1 ]
Ma, Ling-yue [1 ]
Liu, Ya-ou [1 ]
Zhou, Ying [1 ]
Cui, Yi-min [1 ]
机构
[1] Peking Univ, Hosp 1, Dept Pharm, 6 Da Hong Luo Chang St, Beijing 100034, Peoples R China
关键词
vancomycin; population pharmacokinetics; infants; Chinese; individualized treatment; DOSING OPTIMIZATION; CHILDREN; PREDICTION; MODEL;
D O I
10.5414/CP202827
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Objective: To determine the pharmacokinetics (PK) of vancomycin in Chinese infant patients using a population pharmacokinetic (PKK) approach in order to provide support for individualized vancomycin therapy. Method: The data included 72 sets of steady-state peak and trough serum concentrations from 61 infants (0 - 1 years). PPK analysis was performed using the non-linear mixed-effects modeling software. Inter- and intraindividual variability was estimated for the clearance and distribution volume of vancomycin. The potential effects of patient sex, postnatal age, postconceptional age, height, weight, body surface area, body mass index, alanine aminotransferase, aspartate aminotransferase, total protein, albumin, white blood cell count, serum creatinine, and concomitant medications on vancomycin PKs were explored. Results: A one-compartment linear model with first-order elimination was used to describe the data. Weight and postnatal age had a significant influence on vancomycin clearance. The typical population parameter estimates of clearance and distribution volume were 0.46 L/h and 4.45 L, respectively. Goodness-of-fit plots and bootstrap outcomes confirmed the relatively good stability and prediction capability of the model. Conclusion: This study initially established a vancomycin PPK model to estimate individual PK parameters in Chinese infant patients.
引用
收藏
页码:558 / 566
页数:9
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