长效的基于脂质的纳米药物:从基于结构的合理设计重新思考到体内命运评估
Yixuan Tang1, Shan Lu2, Wanjun Liang1
1School of Pharmaceutical Sciences & Institute of Materia Medica, Medical Science and Technology Innovation Center, National Key Laboratory of Advanced Drug Delivery System, Key Laboratory for Biotechnology Drugs of National Health Commission, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong 250117, China.
概括
长效的基于脂质的纳米药物 (LaLBNs) 在持续的药物输送方面表现有前途. 然而,它们的真正治疗寿命取决于在目标部位释放活性药物,而不仅仅是延长血液循环.
科学领域:
- 纳米医学是一种纳米医学.
- 药理学 药理学是指药理学的学科.
- 药物运输 药物运输 药物运输
背景情况:
- 长效的基于脂质的纳米药物 (LaLBNs) 旨在产生持续的治疗效果.
- 改善的药理动力学 (PK) 参数,如延长血液循环,并不总是与改善的临床结果相关.
- 目前的PK测量通常无法区分封装的无活性药物和生物可用释放的药物.
研究的目的:
- 批判性地评估LaLBNs.的体内命运.
- 为更好地理解超出简单循环时间的纳米载体行为提出战略.
- 倡导纳米医学设计和评估的范式转变.
主要方法:
- 对LaLBN设计和体内行为进行系统审查.
- 使用吸收,分布,新陈代谢和分泌 (ADME) 框架进行评估.
- 对现有的纳米药物追踪分析方法进行批判性评估.
主要成果:
- 标准的PK指标不能充分反映治疗潜力.
- 有效的治疗依赖于活性药物在目标部位的时空可用性.
- 现有的分析方法需要改进,以捕捉时间和空间药物释放动态.
结论:
- 对LaLBNs的合理设计需要全面了解它们的体内旅程.
- 从专注于运营商持久性到协调整个交付过程的转变至关重要.
- 整合时间和空间分析将弥合纳米载体设计和治疗性能之间的差距.
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