一种可摄入的自导向系统,用于口服大分子
Alex Abramson1, Ester Caffarel-Salvador1,2, Minsoo Khang1
1Department of Chemical Engineering and David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
概括
一种新型的自导向毫米尺度应用器 (SOMA) 通过胃粘膜部署药物载入的毫米柱来实现生物大分子的口服. 这种系统可以实现与注射相比的全身药物吸收,克服胃肠道降解的局限性.
科学领域:
- 生物材料科学
- 胃肠病学
- 药物输送系统
背景情况:
- 生物大分子具有治疗潜力,但由于快速降解和消化道吸收不良,在口服中面临挑战.
- 通常需要通过肠道给药,这限制了患者的服药性和方便性.
研究的目的:
- 开发一种能够克服胃肠道障碍的创新口服生物输送系统.
- 创建一个自导向的应用器, 确保适当的组织参与药物输送.
主要方法:
- 基于海运动的可吞自导向应用器 (SOMA) 的开发.
- 制造含有用于粘膜部署的活性药物成分.
- 在老鼠和猪体内研究以评估安全性和有效性.
主要成果:
- 在没有穿孔的情况下,SOMA自主定位并与胃肠组织接触.
- 成功部署运送活性药物成分的千米站.
- 在动物模型中达到与皮下注射相匹配的全身血水平.
结论:
- SOMA系统代表了口服生物大分子的重大进步.
- 这项技术可增强药物在胃肠道内的透和局部化.
- SOMA提供了一种有前途的替代生物药物给药方式.
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