オピオイド過剰摂取による死亡を防ぐ埋め込み型装置(Implantable device may prevent death from opioid overdose)

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2024-10-23 ワシントン大学セントルイス校

ワシントン大学とノースウェスタン大学の研究チームが、酸素レベルの低下を検知してナロキソンを自動投与する埋め込み型装置「ナロキシメーター」を開発しました。この装置は、オピオイド過剰摂取時に即座に反応し、30秒以内に警告を解除しなければナロキソンを放出、さらに救急対応者に通知を送信します。動物実験では、迅速な回復が確認されており、将来的にはアナフィラキシーなど他の緊急医療にも応用が期待されています。

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オピオイド過剰摂取による死亡を予防する自律型埋め込み型装置 An autonomous implantable device for the prevention of death from opioid overdose

Joanna L. Ciatti, Abraham Vázquez-Guardado, Victoria E. Brings, Jihun Park, […], and John A. Rogers
Science Advances  Published:23 Oct 2024
DOI:https://doi.org/10.1126/sciadv.adr3567

オピオイド過剰摂取による死亡を防ぐ埋め込み型装置(Implantable device may prevent death from opioid overdose)

Abstract

Opioid overdose accounts for nearly 75,000 deaths per year in the United States, now a leading cause of mortality among young people aged 18 to 45 years. At overdose levels, opioid-induced respiratory depression becomes fatal without the administration of naloxone within minutes. Currently, overdose survival relies on bystander intervention, requiring a nearby person to find the overdosed individual and have immediate access to naloxone to administer. To circumvent the bystander requirement, we developed the Naloximeter: a class of life-saving implantable devices that autonomously detect and treat overdose while simultaneously contacting first responders. We present three Naloximeter platforms, for fundamental research and clinical translation, all equipped with optical sensors, drug delivery mechanisms, and a supporting ecosystem of technology to counteract opioid-induced respiratory depression. In small and large animal studies, the Naloximeter rescues from otherwise fatal opioid overdose within minutes. This work introduces life-changing, clinically translatable technologies that can broadly benefit a susceptible population recovering from opioid use disorder.

医療・健康
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