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沙美特罗白蛋白微球在大鼠体内的药动学
引用本文:陈永顺,吴珍. 沙美特罗白蛋白微球在大鼠体内的药动学[J]. 中国药师, 2012, 15(1): 38-40
作者姓名:陈永顺  吴珍
作者单位:1. 湖北医药学院附属太和医院 药学部 湖北十堰442000
2. 湖北医药学院附属太和医院 消化内科 湖北十堰442000
摘    要:目的:研究沙美特罗白蛋白微球在大鼠体内的药动学特征.方法:12只大鼠随机分成沙美特罗白蛋白微球组和沙美特罗溶液组,每组6只,分别灌胃给药(20 μg·kg -1)后不同时间取血,HPLC法测定血药浓度,用3P97软件计算药动学参数.结果:沙美特罗溶液和沙美特罗白蛋白微球在大鼠体内的主要药动学参数:tmax分别为(0.73±0.15)和(3.22±0.20)h,Cmax分别为(1.10±0.19)和(1.25±0.24) μg·ml-1,t1/2ka分别为(0.35±0.05)和(1.58±0.07)h,t1/2ke分别为(2.30±0.85)和(8.21±1.20)h,AUCo→∞分别为(1.55±0.25)和(3.45±0.55) mg·h·L-1.结论:与沙美特罗溶液相比,沙美特罗白蛋白微球具有明显的缓释效果,同时提高了药物的生物利用度.

关 键 词:沙美特罗  白蛋白微球  药动学
收稿时间:2011-07-27
修稿时间:2011-10-11

Study on Pharmacokinetics of Salmeterol Albumin Microspheres in Rats
Chen Yongshun and Wu Zhen. Study on Pharmacokinetics of Salmeterol Albumin Microspheres in Rats[J]. China Pharmacist, 2012, 15(1): 38-40
Authors:Chen Yongshun and Wu Zhen
Affiliation:Taihe Hospital affiliated to Hubei University of Medicine Department of Pharmacy,Hubei Shiyan 442000,China;Taihe Hospital affiliated to Hubei University of Medicine Department of Gastroenterology
Abstract:Objective: To study the pharmacokinetics of salmeterol albumin microspheres in rats. Method: Twelve rats were ran- domly divided into the salmeterol solution group and salmeterol albumin microspheres group. Salmeterol with the dose of 20 ug. kg-1 was administered by intragastric administration. The concentration of salmeterol in rat plasma was determined by HPLC and the pharma- cokinetics parameters were calculated by 3P97 software program. Result: The main pharmacokinetic parameters of the salmeterol solu- tion and sameterol albumin microspheres were as the follows: tmax of(0. 73±0. 15) and (3.22 ±0. 20) h,Cmax of ( 1.10±0. 19) and (1.25±0.24)ug'ml-l,tl/2kaof (0.35±0.05) and (1.58±0.07) h,t/2ke of (2.30-+0.85) and (8.21 -+1.20) h,AUC0-∞ of ( 1.55 ± 0. 25 ) and ( 3.45 ±0. 55 ) mg h- L - 1 , respectively. Conclusion: Compared with the salmeterol solution, the salmeterol albu- min microspheres show significant sustained release and higher bioavailability in rats.
Keywords:Salmeterol  Albumin microspheres  Pharmacokinetics
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