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中国肝移植受者口服环孢素的临床常规监测群体药动学研究
引用本文:孙搏,高君伟,郭彦琨,芮建中,李晓宇,彭志海,刘皋林.中国肝移植受者口服环孢素的临床常规监测群体药动学研究[J].中国药学杂志,2010,45(1):46-51.
作者姓名:孙搏  高君伟  郭彦琨  芮建中  李晓宇  彭志海  刘皋林
作者单位:上海交通大学附属第一人民医院药剂科;南京军区总医院临床药理科;上海交通大学附属第一人民医院器官移植中心;
基金项目:上海市器官移植临床医学中心基金资助项目(QY040101-02-05)
摘    要: 目的 考察肝移植受者口服环孢素的群体药动学特征,为实施个体化用药提供新途径。方法 回顾性收集120例肝移植病人全血稳态谷浓度样本1 947个,利用NONMEM软件考察一天给药剂量,分析其群体药动学模型,估算参数、个体间变异(interindividual variability, IIV)、时间效应变异(interoccasion variability, IOV)和个体内变异,定量考察人口统计学资料、生理状态、肝肾功能和合并用药等因素对药物药动学参数的影响,建立最终回归模型,应用POSTHOC子模块反馈获得个体和群体的药动学参数及预测给药剂量。模型验证用近似外部验证和bootstrap内部验证法。结果 环孢素稳态浓度能用米曼氏模型较好的拟合,最终群体药动学参数Vm为303 mg·d-1,Km为14.90 μg·L-1。Vm和Km的IIV分别为12.60%和89.78%,IOV分别为12.30%和36.88%,残差变异为4.00%。 Vm结构模型参数有用药天数(DT)、红细胞压积(HCT)、总蛋白(TP)、尿素(BUN)、甘油三酯(TG)、吗替麦考酚酸酯剂量(MMF)。Km结构模型参数有胆红质(DBIL)和泼尼松剂量(PR)。结论 NONMEM法考察临床常规监测数据应当考虑IOV,分析得到的群体药动学模型可为临床患者提供用药依据。

关 键 词:环孢素  群体药动学  肝移植  米曼模型  时间效应变异
收稿时间:2012-01-01;

Population Pharmacokinetics of Orally Administered Cyclosporine A from Routine Drug Monitoring Data after Liver Transplantation
SUN Boa,GAO Jun-weia,GUO Yan-kuna,RUI Jian-zhong,LI Xiao-yua,PENG Zhi-haib,LIU Gao-lina.Population Pharmacokinetics of Orally Administered Cyclosporine A from Routine Drug Monitoring Data after Liver Transplantation[J].Chinese Pharmaceutical Journal,2010,45(1):46-51.
Authors:SUN Boa  GAO Jun-weia  GUO Yan-kuna  RUI Jian-zhong  LI Xiao-yua  PENG Zhi-haib  LIU Gao-lina
Institution:SUN Bo1a,GAO Jun-wei1a,GUO Yan-kun1a,RUI Jian-zhong2,LI Xiao-yu1a,PENG Zhi-hai1b,LIU Gao-lin1a*(1.First People\'s Hospital Affiliated to Shanghai Jiao Tong University,a.Department of Pharmacy,b.Shanghai Organ Transplantation Clinical Medical Center,Shanghai 200080,China,2.Department of Clinical Pharmacology,General Hospital of Nanjin Armed Forces Jinling Hospital,Nanjing 210002,China)
Abstract:OBJECTIVE To investigate the population pharmacokinetics of orally cyclosporine A in Chinese adult liver transplant recipients for optimizing individual treatment and improving therapeutic efficacy.METHODS Population pharmacokinetic modeling was performed with NONMEM using a dataset comprising 120 liver transplant recipients who were orally administered with cyclosporine.There are 1 947 steady-state trough cyclosporine concentrations and associated daily dosage.Interindividual variability and interoccasion ...
Keywords:cyclosporine A  population pharmacokinetic  liver transplantation  Michaelis-Menten model  interoccasion variability  
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