Nitazene analogs, a novel class of synthetic opioids more potent than fentanyl, detected in Philadelphia
Nitazene analogs are synthetic opioids that are up to 40 times more potent than fentanyl First identified in the United States in 2019 First identified in Philadelphia as early as October 2022 Individuals who experience an opioid overdose after using nitazene analogs will respond to naloxone (e.g., Narcan®). What are nitazene analogs? Nitazene analogs are a novel class of synthetic opioids that can be up to 40 times more potent than fentanyl and up to 500 times more potent than morphine. Nitazene analogs vary in potency and include isotonitazene, metonitazene, and N-pyrrolidino etonitazene. The Drug Enforcement Administration has classified ten nitazene analogs as Schedule I drugs since there is no approved medical use for nitazene analogs in the United States, and initial pharmacologic evaluations do not support any medical or veterinary use.i,ii,iii However, novel nitazene analogs that are not explicitly scheduled in the United States, such as N-desethyl...