Naloxone May Fail for Overdoses Tainted With ‘Tranq,’ FDA Warns

The US Food and Drug Administration (FDA) is alerting healthcare professionals about the special management required for opioid overdoses tainted with xylazine, an animal tranquilizer known on the street as tranq, tranq dope, sleep-cut, Philly dope, and zombie drug. The tranquilizer is often combined with fentanyl or heroin, or occasionally with a stimulant, said the … Read more

First Known Opiate Biomarker Shows Fentanyl’s Effect on Brain

Fentanyl depresses breathing about 4 minutes before symptoms of distress are evident at a dose that is 1700 times lower than that needed for sedation, new research shows. This new information comes after researchers identified a unique EEG signature produced by fentanyl, the first known biomarker of an opiate’s effect on the brain. By monitoring … Read more

They Call It ‘Tranq,’ and It’s Making Street Drugs More Dangerous

Approaching a van that distributes supplies for safer drug use in Greenfield, Massachusetts, a man named Kyle noticed an alert about xylazine. “Xylazine?” he asked, sounding out the unfamiliar word. “Tell me more.” Tapestry Health Systems nurse Katy Robbins hands bottles of water to Kyle as he visits the harm reduction mobile unit in Greenfield, … Read more

FDA Denies Petition to Disqualify Researchers Over Controversial Ketamine Studies

The US Food and Drug Administration (FDA) has declined to take further action against a group of investigators at Hennepin County Medical Center/Hennepin Healthcare (HCMC), who conducted controversial studies involving ketamine and other sedatives in agitated persons without their consent. A citizen filed by Public Citizen, a consumer advocacy group, had asked the FDA to … Read more

Higher ‘Chemical Restraint’ Rates in Black Psych Patients in the ED

Black patients presenting with psychiatric disorders to hospital emergency departments (EDs) across the US have significantly higher rates of chemical restraint than their white counterparts, new research shows. Results of a national study showed Black patients presenting to the ED were 63% more likely to receive chemical sedation than white patients. The investigators also found … Read more