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Oral Fluid Testing to Assess Cannabis Non-Use in Remote Clinical Trials
The purpose of this study is to identify and evaluate oral fluid testing as a biologic measure of cannabis use days that can be assessed remotely. The research…
Multi-center Observational Study of Plasma Concentrations of THC and Its Metabolites in Pediatric Patients Visiting Emergency Departments for Acute Cannabis-induced CNS Depression
This observational study is being conducted to determine plasma concentrations of tetrahydrocannabinol (THC) and its metabolites, 11-OH-THC and THC-COOH, in pl…
High Potency Cannabis: Acute and Protracted Effects
The purpose of this research is to assess the effects of smoked cananbis when cannabis is smoked during periods of cannabis use as usual and after a brief peri…
Effect of Cannabis Use on Synaptic Density in Older Adults
The aim of the study is to examine the effect of cannabis use on brain synaptic density among older adults using \[11C\]UCB-J PET imaging.
Experimental Manipulation of the Emotional Salience of Cannabis Use-Related Information in Regular Cannabis Users
The goal of this study is to test a causal neural mechanism of cannabis use-related problem recognition in individuals with severe cannabis use disorder using …
Development of a Novel Cannabis Brief Intervention for Frequently-Using Emerging Adults: Pilot Randomized Trial
The purpose of this study is to compare two brief interventions targeting potentially problematic cannabis use in emerging adults (ages 18-25). Brief intervent…
Clinical Trial of Maternal Choline Supplements to Mitigate Effects of Prenatal Cannabis Exposure on Early Brain Development
The goal of this study is to determine if providing a nutritional supplement, phosphatidylcholine, to pregnant women who have used cannabis products during the…
Cannabis Observations on Brain Waves, Retrieval, and Attention: Experiment 3 (COBRA)
This study investigates the impact of ∆9-tetrahydrocannabinol (THC) and cannabidiol (CBD) on recognition memory in healthy, regular cannabis users. Participant…
Cannabinoids and Biological Reactivity to Stress
The goal of this study is to test the impact of two drugs that produce temporary stress-like symptoms, both in isolation and together, on cannabis use motivati…
Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans
The purpose of the study is to characterize the acute effects of cannabinoids in women relative to men and to begin probing the mechanisms that may underlie ge…
Evaluating the Impact of Psychotherapeutic Advertising Claims on Cannabis Purchasing
In the U.S., legal cannabis is frequently advertised as an effective treatment for mental health problems such as anxiety and depression-particularly online. S…
Characterization of CB1 Receptors Using [11-C]OMAR
The aim of the present study is to assess the availability of cannabinoid receptors (CB1R) in the human brain. CB1R are present in everyone's brain, regardless…