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首页> 外文期刊>International Journal of Pharmaceutics >Oral modified-release formulations in motion: the relationship between gastrointestinal transit and drug absorption.
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Oral modified-release formulations in motion: the relationship between gastrointestinal transit and drug absorption.

机译:运动中的口服调释制剂:胃肠道转运与药物吸收之间的关系。

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摘要

Oral modified-release dosage forms can be designed with the aim of achieving specific pharmacokinetic profiles, delivering to specific gut localities or reducing the number of drug administrations. Multiple-unit systems, such as pellets, beads or granules, often claim superiority to single-unit modified-release formulations in terms of predictability and reproducibility of behaviour in the gastrointestinal tract. This is an oversimplification and in this review we discuss the effect of the highly variable gastrointestinal transit on the bioperformance of multiple-unit dosage forms, relative to their single-unit counterparts. We examine the sometimes contradictory literature in this area and highlight specific case studies which demonstrate the effect of intestinal transit on dosage form performance and drug absorption.
机译:可以设计口服调释剂型,以达到特定的药代动力学特征,递送至特定的肠道部位或减少给药次数。就胃肠道中行为的可预测性和可再现性而言,多单元系统(例如药丸,珠子或颗粒)通常要求优于单单元调释制剂。这是一个过分的简化,在本综述中,我们将讨论高度可变的胃肠道转运对多单位剂型(相对于其单单位对应物)的生物性能的影响。我们研究了这一领域中有时相互矛盾的文献,并重点介绍了具体案例研究,这些研究证明了肠道运输对剂型性能和药物吸收的影响。

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