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首页> 外文期刊>Advanced drug delivery reviews >Drug-eluting stents: factors governing local pharmacokinetics.
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Drug-eluting stents: factors governing local pharmacokinetics.

机译:药物洗脱支架:支配局部药代动力学的因素。

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摘要

Stent-based drug delivery system is a revolutionary approach to mitigate the negative affects of balloon angioplasty, improve immune responsiveness and prevent hyperplastic growth of smooth muscle in the restenotic state. Its success is therefore empirically associated with effective delivery of potent therapeutics to the target site at a therapeutic concentration, for a sufficient time, and in a biologically active form. However, local delivery with drug-eluting stents imparts large dynamic concentration gradients across tissues that can be difficult to identify, characterize and control. This review explores the factors such as physiological transport forces, drug physicochemical properties, local biological tissue properties and stent design that governs the local pharmacokinetics within the arterial wall by drug-eluting stent. Rational design and optimization of drug-eluting stents for local delivery thus requires a careful consideration of all these factors.
机译:基于支架的药物输送系统是一种革命性的方法,可减轻球囊血管成形术的负面影响,提高免疫反应能力并防止再狭窄状态下平滑肌的增生性生长。因此,根据经验,其成功与有效治疗剂以足够的时间以生物活性形式有效地以治疗浓度向靶位点的有效递送有关。但是,使用药物洗脱支架进行局部递送会在整个组织上产生较大的动态浓度梯度,这可能难以识别,表征和控制。这篇综述探讨了诸如生理传递力,药物理化特性​​,局部生物组织特性和支架设计等因素,这些因素通过药物洗脱支架控制着动脉壁内的局部药代动力学。因此,对于局部给药的药物洗脱支架的合理设计和优化需要仔细考虑所有这些因素。

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