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在大鼠体内小青龙汤对茶碱药动学的影响 被引量:8

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摘要 目的探讨在大鼠体内小青龙汤对茶碱药动学的影响。方法 12只雄性Wistar大鼠随机分为小青龙汤给药组(灌胃给药1 g·5 ml-1.kg-1·d-1)和生理盐水对照组(5 ml.kg-1·d-1),每组6只,连续给药7 d,于第8天灌胃给药小青龙汤(或生理盐水)后1 h静脉注射氨茶碱(15 mg/kg),并进行采血。采用HPLC分析方法测定大鼠血浆中茶碱浓度,并计算茶碱的药动学参数。结果与生理盐水组比较小青龙汤给药组的茶碱清除率CL显著变小(P<0.05),消除半衰期t1/2和体内滞留时间MRT0→∞,显著延长(P<0.05),而表观分布容积Vz和血药浓度-时间下面积AUC0→∞无显著性差异(P﹥0.05)。生理盐水组和小青龙汤组的茶碱药动学参数分别为:t1/2(5.30±0.89,7.22±1.47)h;CL(0.054±0.008,0.044±0.007)L·h-1;Vz(0.408±0.047,0.452±0.037)L;AUC0→∞(239.99±30.24,287.17±50.11)μg·h-1·ml-1;MRT0→∞(7.16±1.13,9.80±2.14)h。结论在大鼠体内小青龙汤可能抑制茶碱的代谢过程。
出处 《时珍国医国药》 CAS CSCD 北大核心 2011年第3期758-759,共2页 Lishizhen Medicine and Materia Medica Research
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