New psychoactive substances as part of polydrug abuse within opioid maintenance treatment revealed by comprehensive high-resolution mass spectrometric urine drug screening

摘要

Objective At present, polydrug abuse comprises, besides traditional illicit drugs, new psychoactive substances (NPS) and non-prescribed psychotropic medicines (N-PPM). Polydrug abuse was comprehensively evaluated among opioid-dependent patients undergoing opioid maintenance treatment (OMT).