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A Fentanyl-Responsive Microneedle Patch for Harm Reduction

delete2026-07-09
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OA
AI
P
Penghui Zhao
Z
Zerui Zhou
T
Tyler Wolter
H
Huanqing Niu
Y
Yuanzhi Bian
C
Chixia Tian
C
Chun Xu
C
Chenming Zhang
J
Juhong Chen
M
Matthew W. Buczynski
W
Wujin Sun *
DOI:10.1002/advs.202524301delete
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摘要

摘要

En 中文
当前阿片类药物过量干预措施的有效性从根本上受到其依赖旁观者检测和给药的限制,导致未目击的过量用药(导致死亡的主要原因)无法得到解决。在此,我们开发了一种创新性芬太尼响应微针(MN)贴片(iNal贴片),作为自主伤害减少工具,能够根据芬太尼水平动态按需释放纳洛酮。具体而言,iNal贴片集成了负载纳洛酮的介孔二氧化硅纳米粒子(MSNs)。纳米粒子表面经过芬太尼敏感适配体的修饰,可在芬太尼暴露时触发精确且剂量依赖性的药物释放。工程化的MN基质由可膨胀马来酸化聚乙烯醇组成,可促进快速皮肤渗透和间质液接触,确保纳洛酮立即且持续释放。体外和体内研究表明,iNal贴片可有效逆转芬太尼诱导的阿片类药物过量症状,快速恢复小鼠的正常生理行为,并实现多次响应性药物释放循环以预防再麻醉。这一概念验证的MN平台为基于材料的伤害减少建立了新范式,为高风险人群提供了一种无需人为监督的自主安全网。
Keyword:
Fentanyl
Harm Reduction
Microneedle
Naloxone
Responsive Delivery
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Advanced Science
IF:
14.1
论文数:
1.8W
被引数:
11.5W

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virginia tech
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the university of sydney
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university of california riverside
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