Mexiko. How Organized Crime Shapes Mexico’s Fentanyl Markets - Local Rules, Global Lessons Over the past decade, fentanyl has quietly reshaped drug markets in northern Mexico. As criminal organizations in the country became major producers an…

“You’re Hoping for the Best, but Preparing for the Worst”: Discussions of Starting Buprenorphine in the Context of Fentanyl Use with Clinicians and People Who Use Fentanyl.  Bhatraju, E.P., Gregorich, O.L., Hallgren, K.A. et al. J GEN IN…

USA. Medetomidine in the U.S. Illegal Fentanyl Supply Increasing Risk for Overdose and Severe Withdrawal Syndrome Summary The Centers for Disease Control and Prevention (CDC), in conjunction with the White House Office of National Drug Control Pol…

Temporal and geographical patterns of nitazene detections in drug samples and biospecimens in the United States, 2019-2024.  Zhu DT, Fitzgerald ND, Palamar JJ, Krotulski AJ.  Addiction. 2026 Mar 5:10.1111/add.70378. doi: 10.1111/add.7037…

USA. Congress Poised to Schedule Xylazine, Because Otherwise the DEA Will Do It Three years in the making, the legislative push to place xylazine under Schedule III of the federal Controlled Substances Act is nearing the finish line. On March 26…

Detection and characterisation of a new nitazene analogue, butodesnitazene: A collaborative approach to the identification of novel psychoactive substances through Drug Checking.  Mayer A, Montgomery N, Hughes E, Birks Ang B, Johnson OE. Fore…