PITTSBURGH (KDKA) — A strain of fentanyl that’s resistant to Narcan has made its way to Western Pennsylvania.  It’s hundreds of times more powerful than morphine and is already causing overdose deaths. (CBS Pittsburgh, 28.04...

There have been rising number of deaths in the UK, Europe, and North America which have been linked to the use of two opioids - fentanyl and carfentanil. These drugs are reportedly being mixed with heroin, often without the knowledge of the person...

(aerzteblatt.de, 06.04.2017) https://www.aerzteblatt.de/nachrichten/74057/EU-Kommission-schlaegt-Verbot-von-neuartiger-Droge-vor

Intoxications involving acrylfentanyl and other novel designer fentanyls - results from the Swedish STRIDA project. Helander A, Bäckberg M, Signell P, Beck O. Clin Toxicol (Phila). 2017 Mar 28:1-11. doi: 10.1080/15563650.2017.1303141. Abs...

By scheduling two fentanyl precursors and a fentanyl analogue, the Commission on Narcotic Drugs (CND) is sending a clear message that it can help protect people's health and respond to the urgent needs of states, the Chair of 60th Session of ...

UNODC, Global SMART Update Volume 17, March 2017. http://www.unodc.org/documents/scientific/Global_SMART_Update_Vol.17_web.pdf