Wayne State University
This study will be the first to use brain imaging to explore how cannabis affects the brain and inflammation in U.S. military veterans with PTSD. It builds on an ongoing study testing different combinations of THC and CBD in 200 veterans. In this project, up to 100 veterans will complete brain scans before and after 12 weeks of cannabis administration to see how the brain changes over time. The scans will measure a marker sensitive to neuroinflammatory state, brain communication, and activity during thinking and emotion tasks. By linking these brain changes to improvements in PTSD symptoms, suicidal thoughts, and quality of life, this study may help identify which veterans benefit most from cannabis-based treatments and support more personalized care for PTSD.
This study, referred to here as the 'Neuroimaging Study,' is a supplement (add-on) to our ongoing VMR study (Wayne State Warriors Marijuana Clinical Research Program: Investigating the Impact of Cannabinoids on Veterans' Behavioral Health", PIs: Lundahl and Ledgerwood), which will be referred to as the 'Parent Study'. The Neuroimaging Study will be the first-ever neuroimaging study of cannabis treatment in US armed forces veterans with PTSD, or in any population. The Parent Study involves randomizing 200 veterans with PTSD into one of four different THC (∆9-tetrahydrocannabinol) : CBD (cannabi…
Inclusion Criteria: * Eligible for, and provided written informed consent to participate in, the Parent Study (NCT06381180) and to be contacted regarding 'future research studies.' * Able/willing to provide written informed consent to participate in the Neuroimaging Study. Exclusion Criteria (eligible if the subject does not meet both criteria): * Contraindications for MRI scanning include, but are not limited to: as braces, pacemaker, implanted metal (self-report MR screening form and ferromagnetic detectors) or medical conditions that prevent comfortable MRI scanning procedures, e.g., ina…
1-(2-\[+F\]fluoroethyl)-L-tryptophan tracer will be used during PET imaging
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