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口服结肠定位释药系统评价方法 被引量:4

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摘要 口服结肠定位释药系统(oral colon-specific drugdelivery system,OCDDS),是指通过适当的方法,使药物经口服后避免在胃、十二指肠、空肠和回肠前端释放,运送至回盲部后发挥局部或全身治疗作用的一种新型给药系统.OCDDS的特点与优点已经得到广泛的认同,而且已经形成和开发出多种给药类型、靶向性材料和产品[1-4].也正因为如此,其评价方法也多种多样,缺乏标准化.本文对有关内容进行综述,希望对逐步实现OCDDS体外/体内评价方法的标准化有所帮助.为叙述方便,将OCDDS分为2种类型:非生物降解型,包括pH依赖型、时间依赖型和压力控制型等;生物降解型,包括前体药物类、降解材料包衣类、骨架类和凝胶类等.
出处 《中国临床药学杂志》 CAS 2004年第4期250-253,共4页 Chinese Journal of Clinical Pharmacy
基金 上海市科技发展基金资助项目(024319114)
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参考文献22

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二级参考文献29

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