ToxIC Fentalog Study Group - Quarterly NPS Report: 2024

May 22, 2025

Summary / Key Findings:

Results were reported from 8 sites across the United States
Geographical differences were observed for opioids, poly-drug use, NPS and xylazine
Temporal comparisons were possible for sites collecting samples in multiple quarters
Fentanyl overwhelming remains the most commonly detected opioid nationally
Numerous NPS were detected, including bromazolam, MDMB-4en-PINACA, nitazene analogues, 2F-2oxo-PCE, and more