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氟尼辛葡甲胺在鸡体内的药物动力学研究

DOI: 10.7685/j.issn.1000-2030.2006.04.022, PP. 107-110

Keywords: 药物动力学,氟尼辛葡甲胺,,高效液相色谱

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Abstract:

36只健康三黄肉鸡,随机分为3组,进行单次静注、肌注和内服2.2mg.kg-1氟尼辛葡甲胺,用反相高效液相色谱法测定鸡血浆中氟尼辛葡甲胺的浓度,经3P97药物动力学软件处理血浆药物浓度-时间数据。试验结果表明,静注给药拟合适合二室开放模型,主要动力学参数为t1/2α(0.56±0.20)h,t1/2β(5.98±0.02)h,Vd(area)(0.01±0.003)L.kg-1,CL(0.03±0.01)L.kg-1.h-1,AUC(683.00±185.79)μg.h-1.mL-1。肌注和内服给药的药时数据均适合一级吸收二室模型,肌注主要动力学参数为t1/2α(0.78±0.04)h,t1/2β(6.76±0.24)h,Vd(area)(0.01±0.003)L.kg-1,CL(0.005±0.001)L.kg-1.h-1,AUC(499.40±130.47)μg.h-1.mL-1,F73.12%;内服的主要动力学参数是t1/2α(0.85±0.11)h,t1/2β(5.15±0.19)h,Vd(area)(0.02±0.004)L.kg-1,CL(0.01±0.002)L.kg-1.h-1,AUC(288.51±74.06)μg.h-1.mL-1,F42.24%。结果显示氟尼辛葡甲胺在健康鸡体内的主要药物动力学特征为吸收迅速,达峰时间较短,肌注生物利用度较高,内服生物利用度一般。

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