Research

Johns Hopkins Medical Center

Published Studies

Confirming Druid's Accuracy, Sensitivity, and Utility

Publication: Journal of Psychopharmacology

"Assessment of cognitive and psychomotor impairment, subjective drug effects, and blood THC concentrations following acute administration of oral and vaporized cannabis"

Institution: The Johns Hopkins University School of Medicine, Behavioral Pharmacology Research Unit

Authors: Spindle, T R., Martin, E., Grabenauer, M., Woodward, T., Milburn, M., & Vandrey, R. (2021)

Publication: Cannabis and Cannabinoid Research

"Effects of High Potency Cannabis on Psychomotor Performance in Frequent Cannabis Users"

Institution: University of Colorado, Boulder; Washington State University; Impairment Science, Inc.

Authors: Karoly, H. C., Milburn, M. A., Brooks-Russell, A., Brown, M., Streufert, J., Bryan, A. D., Lovrich, N. P., DeJong, W., Bidwell, L. C. (2020)

Publication: Vision Development Rehabilitation, 5, 31-42

"An investigation of the DRUID® smartphone/tablet app as a rapid screening assessment for cognitive and psychomotor impairment associated with alcohol intoxication"

Sponsor: Municipal Police Training Academy

Authors: Richman, J.E., & May, S. (2019)

Why Druid Works

Other Research Using Druid

Institution	Researcher	Project
Colorado State University	Dr. Hollis Karoly	CBD Alcohol and Alcohol Concentrates
Johns Hopkins Medical Institute	Dr. Ryan Vandrey	Demonstration of proof of concept
Johns Hopkins Medical Institute	Dr. Kelly Dunn	Opioid impairment
Johns Hopkins Medical Institute	Dr. Tory Spindle & Dr. Elise Weerts	Alcohol and cannabis in combinations
Swinburne University	Dr. Thomas Arkell	MCAID
UCLA	Dr. Ziva D. Cooper	Medical Cannabis
University of Colorado	Dr. Cinnamon Bidwell	Cannabis
University of Kentucky	Dr. Shanna Babalonis	Alcohol, opioids and cannabis
University of Sydney	Dr. Danielle McCartney	CBD and Driving Impairment
Utrecht University	V.F. Lambregts
Washington State University	Dr. Nick Lovrich	Green Labs; Frequent cannabis users study
Yale University	Dr. Godfrey Pearlson	DRUID and driving

Dr. Ryan Vandrey: The Johns Hopkins School of Medicine
"... a novel mobile device application (the DRUID), was the most sensitive measure of impairment when compared to the other cognitive performance tasks administered (i.e., the DSST, DAT, and PASAT) as well as several common field sobriety tests (i.e., the WT, OLS and MRB)."