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中国临床药理学与治疗学 ›› 2006, Vol. 11 ›› Issue (10): 1181-1184.

• 研究原著 • 上一篇    下一篇

罗红霉素缓释片在比格犬的药代动力学与生物利用度研究

吕经兰, 高桂珍1, 冯世俊2   

  1. 平顶山市妇幼保健院药剂科, 平顶山 467000 , 河南;
    1平顶山市第一人民医院, 平顶山 467000 , 河南;
    2河南省黄河科技学院, 郑州 450005 , 河南
  • 收稿日期:2006-09-12 修回日期:2006-10-30 出版日期:2006-10-26 发布日期:2020-11-05
  • 作者简介:吕经兰, 女, 本科, 主管药师。Tel:0375-7700785  E-mail:ljlpdssbjy@sina.com

Study on pharmacokinetics and bioavailability of sustained-release roxithromycin tablets in beagle dogs

LU Jing-lan, GAO Gui-zhen1, FENG Shi-jun2   

  1. Pingdingshan Fourth People's Hospital , Pingdingshan 467000 , Henan , China;
    1Pingdingshan First People's Hospital, Pingdingshan 467000 , Henan , China;
    2Huanghe Science and Technology College , Zhengzhou 450005 , Henan ,China
  • Received:2006-09-12 Revised:2006-10-30 Online:2006-10-26 Published:2020-11-05

摘要: 目的 对犬服用罗红霉素普通片和缓释片后的药物代谢动力学进行研究。方法 以微生物法测定8 只Beagle 犬服用罗红霉素普通片和缓释片后的血药浓度, 计算出有关药动学参数, 经统计学分析对缓释片生物利用度进行评价。结果 8 只Beagle 犬服用单剂量罗红霉素缓释片后血药浓度达峰时间与普通片相比均有推迟, 缓释片的tmax 平均为4.63 ±1.19 h , 而普通片的tmax 平均为1.19 ±0.53 h ;缓释片的峰浓度Cmax 为20.90 ±4.13 μg·ml-1 , 普通片的峰浓度为28.10 ±5.30 μg·ml-1 , 两制剂tmax 和Cmax间统计学差异明显;缓释片的AUC 为158.38 ±26.71 μg·h·ml-1 , 普通片的AUC 为160.84 ±25.51 μg·h·ml-1 , 与普通片相比, 缓释片的生物利用度F 为98.55%±8.37%。方差分析结果表明, 两制剂AUC 间无统计学差异。结论 服用罗红霉素缓释片后药物吸收速度较普通片慢, 但两者的吸收程度基本一致。

关键词: 罗红霉素, 缓释片, 药代动力学, 生物利用度

Abstract: AIM: To investigate the pharmacokinetics of the roxithromycin sustained-release tablets in 8 beagle dogs.METHODS: Microbiological method was used to determine the serum concentration of roxithromycin after normal and sustained-release tablets were orally administrated in 8 healthy beagle dogs.Pharmacokinetic parameters were calculated , and the bioequiverlence was estimated by statistical method.RESULTS: The pharmacokinetic parameters of sustained-release and normal tablets after single oral dose study were as following:the tmax were 4.74 ±1.21 h and 1.21 ±0.64 h , the Cmax were 21.08±4.24 μg·ml-1 , and 28.26 ±5.41 μg·ml-1 , respectively;the AUC were 164.49 ±28.55 μg·h·ml-1 and 177.95 ±27.63 μg·h·ml-1 respectively.Compared to normal tablets , the bioavailability of sustained-release tablets was 93.6%±10.5%.There was much difference for tmax and Cmax parameters between the two tablets.CONCLUSION: The results of the present study indicate that the absorption speed was slower for sustained-release tablets than normal tablets , but the extend of absorption for the two roxithromycin tablets was bioequivalent.

Key words: roxithromycin, sustained-release tablets, pharmacokinetics, bioavailability

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