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阿莫西林在猪体内的药动学研究 被引量:1

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摘要 选取18头平均体重(15±5)kg、健康的杜长大三元杂交去势公猪,肌肉注射15 mg/kg阿莫西林三水合物水溶液,给药后分别于0.17、0.33、0.5、0.67、1、1.5、2、4、6、8、10、12和24 h采集前腔静脉血液,高效液相色谱法检测血浆中阿莫西林的含量。阿莫西林的血药浓度-时间数据采用Win Nonlin(Version 5.2.1)软件进行拟合,计算药动学参数。结果显示:末端消除速率常数λz=(0.40±0.04)h-1,消除半衰期T1/2λz=(1.74±0.16)h,峰时Tmax=(1.53±0.40)h,峰浓度Cmax=(5.62±0.74)μg·m L-1,药时曲线下面积AUCall=(25.35±2.25)h·μg·m L-1,表观分布容积Vz=(1.64±0.38)L·kg-1,消除速率常数CLz=(0.65±0.12)L·h-1·kg-1,平均滞留时间MRT=(3.20±0.41)h。结果表明:阿莫西林三水合物在健康猪体内的主要药动学特征为肌注给药吸收迅速、达峰时间短、消除迅速。
作者 陶恒勋 袁晶
出处 《畜牧与兽医》 北大核心 2015年第2期78-81,共4页 Animal Husbandry & Veterinary Medicine
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