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30 recruiting studies matching your filters
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…
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…
Determining the Effect of Six Weeks of Cannabis Abstinence on Fronto- Striatal fMRI Markers in Adolescents With Cannabis Use Disorder (ABSCAN)
The goal of this study is to understand the changes in neural correlates of reward in adolescents with and without Cannabis Use Disorder (CUD). The study will …
Stress-immune Mechanisms for People Living With HIV, CUD and Depression
This is a basic human experimental study utilizing 4 groups of individuals with and without HIV and complex morbidities of cannabis use disorder and major depr…
Gabapentin for Restoring GABA/Glutamate Homeostasis in Co-occurring Bipolar and Cannabis Use Disorders: A Randomized, Double-blind, Placebo-controlled, Parallel-group, MRI Study
This research study evaluates the effects of an FDA-approved medication Gabapentin in individuals with Bipolar Disorder who smoke marijuana. Participants in th…
Effects of THC on Alcohol Consumption and Neural Correlates of Reward
Alcohol and cannabis are often used together such that their effects overlap, but little is known about the neural mechanisms that underlie simultaneous use. H…
Randomized Controlled Trial of Varenicline to Treat Tobacco and Cannabis Co-Use (RECLAIM)
The purpose of the RECLAIM study is to evaluate the effectiveness of varenicline (sometimes known as Chantix) compared to placebo (an inactive substance) for t…
SV2A Density Cannabis Use Disorder
The main purpose of this study is to determine whether hippocampal synaptic vesicle density estimated by hippocampal \[11C\]APP-311/\[11C\]UCB-J binding in ind…
Evaluation of Suvorexant for Reduction of Brain Reactivity in Patients With Cannabis Use Disorder
The goal of this study is to observe the impact of suvorexant, sold as BELSOMRA, on brain activity of people who frequently use cannabis. Suvorexant is an FDA-…
Refinement and Testing of a Brief Computerized and Smart Phone-based Intervention for Stress in Regular Cannabis Users
The prevalence of daily cannabis use and Cannabis Use Disorder (CUD) has increased in the United States over the past two decades. Brief, computerized harm red…
Cannabidiol and Cannabis Concentrate Users: A Randomized, Placebo Controlled Study
This study is a randomized, placebo-controlled, dose-ranging trial of plant-derived cannabidiol (CBD) among people who regularly use cannabis concentrates but …
A Randomized, Placebo Controlled Study of Cannabidiol in Young Adult Cannabis Users
The investigators will study the harm-reducing effect of hemp-derived CBD in non-treatment-seeking emerging adults who use cannabis regularly. The study will u…