首页> 外文期刊>Journal of Epithelial Biology & Pharmacology >Drug Delivery to the Lung: Permeability and Physicochemical Characteristics of Drugs as the Basis for a Pulmonary Biopharmaceutical ClassificationSystem (pBCS)
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Drug Delivery to the Lung: Permeability and Physicochemical Characteristics of Drugs as the Basis for a Pulmonary Biopharmaceutical ClassificationSystem (pBCS)

机译:药物向肺部的输送:药物的渗透性和理化特性作为肺部生物药物分类系统(pBCS)的基础

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The respiratory tract is currently considered as an alternative to gastrointestinal and dermal drug delivery systemsand is used to deliver drugs for respiratory diseases as well as the treatment of non-pulmonary disorders. The firststep in drug profiling for delivery via the respiratory tract needs to address intrinsic physicochemical parameters and theirimpact on or correlation with absorption. Moreover, the more the pulmonary drug delivery shall find acceptance, thegreater will be the need for validated test systems, methods, and guidelines for regulatory purposes. The BiopharmaceuticalClassification System (BCS) remains the simplest and most common guiding principle for predicting drug absorption,but it is limited to the gastrointestinal tract. This review suggests an extension, the pulmonary Biopharmaceutical ClassificationSystem (pBCS), that will take into consideration the specific biology of the lung as well as particle deposition,aerosol physics, and the subsequent processes of drug absorption and solubility. We will describe the steps to be taken todevelop a pBCS as well as the compounds that will be used to establish this classification. Furthermore, we will introducetwo cellular models with which drug permeability across the pulmonary barrier will be determined as an alternative to thecurrently and widely used studies with animals.
机译:呼吸道目前被认为是胃肠道和皮肤药物递送系统的替代品,并且被用于递送用于呼吸系统疾病以及非肺疾病治疗的药物。经由呼吸道递送的药物概况分析的第一步需要解决固有的理化参数及其对吸收的影响或与吸收的关系。此外,肺部药物的输送越能被接受,就需要更多的经过验证的测试系统,方法和指导性法规。生物药物分类系统(BCS)仍然是预测药物吸收的最简单,最通用的指导原则,但仅限于胃肠道。这项审查建议扩展,肺生物制药分类系统(pBCS),它将考虑到肺的特定生物学以及颗粒沉积,气溶胶物理学以及随后的药物吸收和溶解性过程。我们将描述开发pBCS所要采取的步骤,以及将用于建立此分类的化合物。此外,我们将介绍两个细胞模型,通过这些模型可以确定跨肺屏障的药物渗透性,以替代当前和广泛使用的动物研究。

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