装载着阿戈梅拉丁-银纳米颗粒的直肠在位热敏凝:配方和表征
Marwa H Abdallah1, Mohamed S Mohamed2, Tamer M Shehata3
1Department of Pharmaceutics, College of Pharmacy, University of Ha'il, Ha'il 81442, Saudi Arabia.
Gels (Basel, Switzerland)
|January 27, 2026
概括
一种新型的直肠凝装载着阿戈梅拉丁银纳米粒子 (AG-AgNPs) 显著提高了抗抑郁药的生物可用性. 这种配方绕过肝脏代谢,为口服阿戈梅拉丁 (AG) 提供了一个有希望的替代品,以提高治疗效率.
科学领域:
- 纳米技术纳米技术
- 制药科学 制药科学
- 药理学 药理学是指药理学的学科.
背景情况:
- 阿戈梅拉丁 (AG) 具有独特的抗抑郁机制,但由于广泛的第一通肝新陈代谢,其口服生物利用率较低 (<5%).
- 这种限制限制了其临床疗效,需要使用替代药物输送策略.
研究的目的:
- 开发和评估一种直肠热敏 in situ 凝配方,用于生物合成的阿戈梅拉丁银纳米粒子 (AG-AgNPs).
- 目标是通过绕过肝脏第一通代谢来增强阿戈梅拉丁的生物可用性.
主要方法:
- 阿戈梅拉丁-银纳米颗粒 (AG-AgNPs) 通过使用木,酸银和酸合成.
- 一种直肠热敏 in situ 凝使用 3^2 因数设计进行了优化.
- 评估了物理化学性质,体外药物释放和体内生物可用性.
主要成果:
- 通过UV-VIS,TEM和XRD证实球形AG-AgNP的成功合成.
- 优化的凝表现出有利的特征:91.64%的药物含量,26.63°C的凝温度,pH7.2,36.98s的凝强度,80.24%的持续释放超过6小时.
- 在体内研究表明,相对于口服阿戈梅拉丁片,相对于口服阿戈梅拉丁片相比,相对生物利用率增加了277.5%.
结论:
- 开发的AG-AgNP加载的热敏 in situ 凝显示出用于直肠药物输送的显著潜力.
- 这种方法有效地绕过了第一通代谢,大大提高了阿戈梅拉丁的系统生物可用性和治疗潜力.
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