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
- Study Protocol (Amendment 8, Version 2: December 4, 2017)
- PRESS RELEASE: Statement on the Adequacy of Marijuana Provided by NIDA for Phase 2 Clinical Trials for PTSD in Veterans (March 17, 2017)
- PRESS RELEASE: First Clinical Trial of Marijuana for PTSD in Veterans Nearly Completes Enrollment (August 9, 2018)