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Genetics of Cannabis Use Disorder and Cannabinoid Response in Humans
Sponsor: Yale University
Summary
Cannabis is widely used worldwide and is associated with negative outcomes including cannabis use disorder (CanUD), psychosis, and cognitive impairment amongst others. Given the legalization of "recreational" and "medical" cannabis globally, the increasing availability of cannabis, the higher potency of cannabis, the availability of highly potent cannabinoid products, the commercialization of cannabis, and the rising rates of cannabis use, it is critical to understand how genetic factors influence 1) an individual's vulnerability for addiction and psychosis, 2) the response to cannabinoids, 3) the response to novel treatments for CanUD. CanUD is strongly genetically influenced; the investigators published the first CanUD genomewide association study (GWAS) with genomewide-significant results; however, the precise nature of the contribution of genetic factors in the development of CanUD is still not clear. Cannabis exposure has also been linked to a number of psychosis outcomes including schizophrenia (SCZ). SCZ is highly heritable and population-based and genetics studies both support a bidirectional genetic relationship between SCZ and CanUD. However, the precise contribution of genetic factors in the development of psychosis outcomes related to cannabis are not clear.
Key Details
Gender
All
Age Range
21 Years - 60 Years
Study Type
INTERVENTIONAL
Enrollment
215
Start Date
2024-09-16
Completion Date
2028-12-31
Last Updated
2025-07-08
Healthy Volunteers
Yes
Conditions
Interventions
Delta-9-THC Very Low Dose
Active Delta-9-THC administered intravenously over 20 minutes.
Placebo
Control: Small amount of sterile 190 proof USP ethanol (1-2 mLs), with no THC, administered intravenously over 20 minutes.
Delta-9-THC Medium Dose
Active Delta-9-THC administered intravenously over 20 minutes.
Locations (1)
West Haven Veterans Affairs Medical Center
West Haven, Connecticut, United States