Marijuana for Symptoms of PTSD in U.S. Veterans, MAPS-Sponsored Medical Marijuana Research, 2018

Marijuana for Symptoms of PTSD in U.S. Veterans


Placebo-Controlled, Triple-Blind, Randomized Crossover Pilot Study of the Safety and Efficacy of Four Different Potencies of Smoked Marijuana in 76 Veterans with Chronic, Treatment-Resistant Posttraumatic Stress Disorder (PTSD)

Site Principal Investigator: Sue Sisley, M.D.

Coordinating Principal Investigator: Marcel Bonn-Miller, Ph.D.

Co-Investigator: Paula Riggs, M.D.

This study has completed enrollment.

This study will explore whether smoked marijuana can help reduce PTSD symptoms in 76 U.S. veterans with chronic, treatment-resistant posttraumatic stress disorder (PTSD). Participants must be U.S. veterans, men or women, aged 18 or older with a diagnosis of PTSD that has not improved after trying either medication or psychotherapy.

$2,156,000 estimated study budget • $2,156,000 grant awarded by the State of Colorado

View the complete timeline of this study.

View the timeline of MAPS’ efforts to conduct marijuana research