Teaser Health & Medicine

A single-dose antidote may help prevent fentanyl overdoses

Nanoparticles would slowly release naloxone over time to counteract an overdose

fentanyl

ANTIDOTE EXTENSION Longer-lasting medication to counteract synthetic opioids like fentanyl could help prevent overdoses. 

Darwin Brandis/iStock/Getty Images Plus

By Maria Temming

- More than 2 years ago

Synthetic opioids outlast current antidotes. A nanoparticle-based alternative could fix that.

A newly developed single-dose opioid antidote lasts several days, a study in mice shows.