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山东大学学报(医学版) ›› 2015, Vol. 53 ›› Issue (12): 38-42.doi: 10.6040/j.issn.1671-7554.0.2015.467

• 基础医学 • 上一篇    下一篇

前列腺素E1冻干脂微球在比格犬体内的药动学

黄惠锋1, 姚芳1, 白雪2,3   

  1. 1. 浙江圣兆药物科技股份有限公司, 浙江杭州 310051;
    2. 浙江中医药大学药学院, 浙江杭州 310053;
    3. 山东大学国家糖工程技术研究中心, 山东济南 250100
  • 收稿日期:2015-05-08 出版日期:2015-12-10 发布日期:2015-12-10
  • 通讯作者: 白雪。E-mail:bxsy8011@sina.com E-mail:bxsy8011@sina.com

Pharmacokinetics of prostaglandin E1 freeze-dried lipid microspheres in beagle dogs

HUANG Huifeng1, YAO Fang1, BAI Xue2,3   

  1. 1. Zhejiang Sundoc Pharmaceutical Science and Technology Co., Ltd., Hangzhou 310051, Zhejiang, China;
    2. College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China;
    3. National Glycoengineering Research Center, Shandong University, Jinan 250100, Shandong, China
  • Received:2015-05-08 Online:2015-12-10 Published:2015-12-10

摘要: 目的 考察前列腺素E1(PGE1)冻干脂微球在比格犬体内的药动学特征,为其临床人体用药提供参考依据。方法 24只比格犬随机分为对照组和低、中、高剂量组,每组6只,分别静脉给予参比制剂"凯时"与20、32、64μg/dog的受试制剂PGE1冻干脂微球,于不同时间点采集血样,采用LC-MS/MS法测定比格犬体内PGE1的血药浓度。结果 比格犬静脉推注32μg/dog剂量的PGE1冻干脂微球后,血浆中PGE1t1/2为(7.5±3.7)min,tmax为(7.6±2.9)min,Cmax为(105.0±40.4)ng/L,AUC(0~18 min)为(933.1±359.0)ng·min/L,与参比制剂"凯时"间的差异无统计学意义(P>0.05);在低、中、高3个不同剂量下,PGE1的AUC(0~18 min)Cmax分别与剂量呈线性正相关,且性别差异无统计学意义(P> 0.05)。结论 PGE1冻干脂微球与其市售脂微球注射液"凯时"具有相同的药动学特征,不同剂量水平不影响其在比格犬体内的药动学过程。

关键词: 前列腺素E1, 脂微球, 药动学, LC-MS/MS

Abstract: Objective To study the pharmacokinetics of prostaglandin(PGE1) freeze-dried lipid microspheres in beagle dogs and provide reference for its clinical usage. Methods Twenty-four beagle dogs were divided randomly into the control group, low-dose group, medium-dose group and high-dose group, six in each group. Dogs were injected intravenously with reference preparation "Kaishi" and PGE1 freeze-dried lipid microspheres with 20, 32 and 64μg/dog, respectively. The blood samples were collected at different time points. LC-MS/MS method was used to detect the plasma concentration of PGE1 in beagle dogs. Results After intravenous injection at a dose of 32μg/dog, t1/2 of PGE1 in plasma was (7.5±3.7) min, tmax was (7.6±2.9) min, Cmax was (105.0±40.4)ng/L, and AUC(0-18 min) was (933.1±359.0) ng·min/L, which had no difference from those of the reference formulation (P>0.05). AUC(0~18 min) and Cmax were positively correlated with different dose levels. Besides, the pharmacokinetic result showed there were no significant statistical difference between the sexes (P>0.05). Conclusion PGE1 freeze-dried lipid microspheres have similar pharmacokinetic characteristics in comparison with the reference formulation, and different doses do not affect PGE1 pharmacokinetic profile in beagle dogs.

Key words: Prostaglandin E1, Lipid microspheres, Pharmacokinetics, LC-MS/MS

中图分类号: 

  • R945
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