Nitazenes are a chemically defined class of substances derived from the parent compound nitazene. Nitazenes were developed in the second half of the 1950s by the Swiss company Ciba AG as pain …

Nitazenes are a class of synthetic opioids that are being found more frequently in the illicit drug supply. Fentanyl and similar drugs remain the predominant cause of overdose deaths in the US in 2024.

May 26, 2022 · A powerful subgroup of opioids called nitazenes is associated with overdose deaths in a number of states.

Nitazenes are synthetic opioids that can match or surpass the potency of fentanyl. First developed in the 1950s for pharmaceutical research, they were never approved for use in the United States or any other …

The global unregulated drug supply faces a critical challenge with the emergence of nitazenes, a class of novel synthetic opioids (NSOs) structurally distinct from fentanyl and associated with extreme …

Feb 8, 2024 · Experts are warning that nitazenes — a type of synthetic opioid — could lead to an increase in drug-related deaths as they flood the UK market. The pool of people at risk of overdose from a new …

Chemical suppliers mainly located in China introduce new nitazenes or analogues when the currently used ones become riskier to produce due to regulatory actions and drug scheduling, or users look for …

Dec 15, 2022 · Nitazenes are a group of illegal opioids that are highly potent and can cause overdose and death. They may be mixed into street drugs without any indication of their presence.

Aug 13, 2025 · Nitazenes represent one of the most dangerous and unpredictable threats within the realm of synthetic opioids. Originally created as potential painkillers in the 1950s but never approved …

Nitazenes are a class of potent synthetic opioid drugs that exhibit extreme binding to opioid receptors, resulting in powerful analgesic (pain-relieving) and sedative effects.