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Drug Delivery: Miscellaneous Routes01:22

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Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection,  and rectal administration provide localized effects with reduced toxicity.
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个性化需求响应的双相微针贴片用于智能药物管理.

Shuyue Deng1, Yao Shuai2, Shibo Zhang1

  • 1College of Pharmacy, China Pharmaceutical University, Nanjing 211198, China. jjdai@cpu.edu.cn.

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概括

带有可修改纳米容器的微针贴片 (MNP) 可实现个性化药物输送. 这种双相MNP设计为量身定制的慢性疾病管理提供可调节的药物释放时间.

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科学领域:

  • 生物材料科学 生物材料科学
  • 药物输送系统 药物输送系统
  • 纳米技术 纳米技术

背景情况:

  • 个性化医疗需要量身定制的药物治疗方案,特别是慢性疾病.
  • 微针贴片 (MNP) 为控制药物输送提供了一个有前途的平台.
  • 目前的MNP缺乏在单一设备内调节治疗方案的能力.

研究的目的:

  • 开发一种新的MNP系统,能够实现多种可调节的治疗方案.
  • 通过可修改的纳米容器 (NC) 来使MNP具有功能,以实现个性化剂量.
  • 评估开发的MNP的药物载荷能力,释放动力学和体内性能.

主要方法:

  • 制造包含药物装载纳米容器 (NC) 的双相MNP.
  • 药物负载能力的表征和体外药物释放概况 (零顺序释放20天以上).
  • 创建三个MNP模型 (A型,B型,C型),模拟各种个性化剂量需求.
  • 在体内评估治疗药物度,作用持续时间 (24-144小时) 和生物相容性.

主要成果:

  • 与传统溶解型MNP相比,双相MNP的药物负载能力大约是传统溶解型MNP的两倍.
  • 药物载荷的NC在体外20多天内表现出持续的零顺序释放动力学.
  • 在体内研究表明有效的治疗药物度在12小时内和可调节的作用时间.
  • 在MNP系统 in vivo 证明了出色的生物相容性.

结论:

  • 开发的MNP系统,功能化了可修改的NCs,成功实现了多个可调节的治疗方案.
  • 这种创新的双相MNP设计提供了增强的药物加载和受控的持续释放配置文件.
  • 这些发现凸显了MNP技术在个性化药物输送应用中的巨大潜力.