Pharmacokinetic Study in Rats on pH-triggered Double Layer Colon Target Pellets of Sophora Flavescens

XIE Xing-liang; YANG Ming; HAN Li

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Pharmacokinetic Study in Rats on pH-triggered Double Layer Colon Target Pellets of Sophora Flavescens

更新时间：2024-01-04

- Pharmacokinetic Study in Rats on pH-triggered Double Layer Colon Target Pellets of Sophora Flavescens
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 17, Issue 11, Pages: 128-131(2011)
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- Published：2011
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XIE Xing-liang, YANG Ming, HAN Li. Pharmacokinetic Study in Rats on pH-triggered Double Layer Colon Target Pellets of Sophora Flavescens[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(11): 128-131.
DOI：

XIE Xing-liang, YANG Ming, HAN Li. Pharmacokinetic Study in Rats on pH-triggered Double Layer Colon Target Pellets of Sophora Flavescens[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(11): 128-131. DOI：

摘要

目的: 比较苦参结肠靶向微丸与苦参溶液中苦参碱的药动学行为差异

以明确该靶向制剂在体内的药动学特征。方法: 采用反相高效液相法

检测给药后血浆、结肠内容物中苦参碱含量;用DAS药动学软件统计程序处理

提取PK参数。结果: 微丸与溶液中苦参碱在血浆及结肠内容物中tmax

Cmax

AUC等参数均有明显差异

微丸中苦参碱吸收存在明显的迟滞效应

且大部分未被吸收进入体循环

而在结肠中显示出高浓度分布。结论: 制备的苦参微丸具有良好结肠靶向分布特征

达到了预期设计目标。

Abstract

Objective: To compare pharmacokinetics of matrine between colon target pellets of Sophora Flavescens and solution

make clear the pharmacokinetic character of the targeted agents in vivo. Method: RP-HPLC was applied to determine the content of matrine in plasma and colon contents after the administration and DAS pharmacokinetic software was used for calculating the acquired PK parameters. Result: The parameters of matrine contained in pellets in plasma and colon contents were all differed from those in solution

such as tmax

Cmax

AUC ad.There was obviously delay effect on absorbability of matrine in pellet

and most of that was not absorbed into systemic circulation

and then high concentration distribution was found in colon. Conclusion: The pellets of Sophora Flavescens prepared show good colon-specific distribution characteristics

and achieve the expected design goal.

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Related Author

CHEN Linzhen

ZHANG Xue

CHEN Qi

YU Xue

DAI Shengyun

MA Zhiqiang

ZHAO Chongjun

SI Qin

Related Institution

National Institutes for Food and Drug Control

School of TCM， Beijing University of Chinese Medicine

Beijing Key Laboratory of Traditional Chinese Medicine（TCM） Quality Evaluation， Beijing University of Chinese Medicine

National Engineering Laboratory for Quality Control Technology of Chinese Materia Medica， Institute of Chinese Materia Medica，China Academy of Chinese Medical Sciences

Medicinal College， Guangxi University

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