- Results were reported from 8 sites across the United States
- Geographical differences were observed for opioids, poly-drug use, NPS and xylazine
- Fentanyl overwhelming remains the most commonly detected opioid nationally
- Numerous NPS were detected, including N-desethyl isotonitazene, N-pyrrolidino protonitazene, N-pyrrolidino etonitazene, and more
March 15, 2024
ToxIC Fentalog Study Group - Quarterly NPS Report: Q4 2023
![Q4 2023](/images/content/reports/clinical_reports/2023_Q4_Clinical_ToxIC_Fentalog_Study_Group_Quarterly_NPS_Report.png)
Summary / Key Findings: