An assessment of urine THC immunoassay in healthy volunteers receiving an oral proton-pump inhibitor

Introduction: Limitations of urine drug-screening (UDS) by immunoassay include false-positive results. Pantoprazole, a proton-pump inhibitor (PPI), is reported to cause false-positive results for THC on UDS. The objective of this study was to determine if oral PPIs cause false-positive THC results using the THC One Step Marijuana Test Strip®.Methods: Eligible healthy volunteers completed a 5-day course of a PPI followed by urine testing using...