Clinical trials: Marijuana Usage
Multiple Myeloma
A Multicenter Prospective Observational Cohort Study Evaluating the Impact of Cancer-Directed Treatment and Medication Use, Including Cannabis Use, in Multiple Myeloma Patients
This study assesses the impact of cannabis (also commonly called marijuana, weed, or THC) use on quality of life among patients with multiple myeloma who are receiving chemotherapy.
- Trial name
- NCT07225738
- Testing
- Non-Interventional Study
- Where
- 11 sites in United States
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- City of Hope Medical Center
Substance Use, Binge Drinking
Substance Use Screening to Encourage Behavior Change Among Young People in Primary Care
This study evaluates whether completing a short screening questionnaire about health behaviours in the waiting room before a primary care consultation decreases excessive substance use in young people aged 14 to 24 years.
- Conditions
- Substance Use, Binge Drinking, Cannabis Use, Adolescent Behavior
- Trial name
- YP-HEALTH (NCT04146714)
- Testing
- Substance use questionnaire, Physical activity questionnaire
- Where
- Switzerland
- Volunteers
- 840 people, healthy volunteers welcome
- Sponsor
- Prof. Dagmar M. Haller
Cannabis Use
Feasibility/Acceptability of a Brief Motivational Intervention for Frequent/High-Intensity Cannabis Use
The study aims to develop a novel brief motivational mobile health (mHealth) intervention for frequent and/or high-intensity cannabis use for non-collegiate young adults.
- Trial name
- NCT07011615
- Testing
- Brief Motivational Mobile Health (mHealth) Intervention, Psychoeducational Attention Control (AC)
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Washington
Asperger's Disorder, Asperger Disorder
QAIAx - SGI/SI Smart Health Cities: Microcity Enclave Program (Quantum SI/AGI Agency a/k/a AI City Hall Project - UPSTO App Nos. 64/074,526, 64/063,557, 64/105,164, 63/903,181, 63/729,428, 64/125,360; USPTO EO 9424 Assignment ID: 2101042 / ARN: REEL/FRAME: 76481/0026 - OUSD-R&E, Department of War)
BRIEF SUMMARY A. "What is the purpose of this study?" BACKGROUND. The QAIAx clinical trial (Quantum SI/SGI Public Health Agency), known operationally as the "AI City Hall Project," represents a landmark intergovernmental research…
- Conditions
- Asperger's Disorder, Asperger Disorder, Autism Disorder, Autism
- Trial name
- QAIAx (NCT07661823)
- Testing
- AI City Hall Project (AIhealth4u - Public Health Central), AI City Hall Project (QAIAx Microcity A - AI Public Health Central)
- Where
- United States
- Volunteers
- 1,000,000 people, healthy volunteers welcome
- Sponsor
- Veterans Recovery Network Inc.
Cannabis Use Disorder, Tobacco Use Disorder
Clinical Trial Tobacco Marijuana
Approximately 50% of persons seeking treatment for cannabis-use disorders (CUDs) regularly smoke tobacco. Combining tobacco with cannabis has become a common method of smoking cannabis.
- Trial name
- RCTTM (NCT02277665)
- Testing
- CUD Treatment, Tobacco Treatment
- Where
- 3 sites in United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center
Opioid Use Disorder
Evaluation of the Interactions of Cannabidiol (CBD) With Morphine
The purpose of this study is to analyze drug-drug interactions of CBD on co-administered Morphine as first step in understanding CBD-opioid interactions.
- Trial name
- NCT05143424
- Testing
- Morphine Sulfate
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Institute on Drug Abuse (NIDA)
Alcohol Drinking, Cannabis Use
Developing and Testing an Online Intervention for Alcohol and Cannabis Misuse and Healthy Relationship Skills Among Young Adult Couples
The goal of this clinical trial is to develop and test a brief online intervention to reduce alcohol and cannabis misuse and improve healthy relationship skills among young adult couples.
- Conditions
- Alcohol Drinking, Cannabis Use, Couples
- Trial name
- NCT06422299
- Testing
- Online, couples-based intervention
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Washington
Cannabis Use
Assessment of Cannabis Craving in Schizophrenia Using Virtual Reality
Background: Individuals with schizophrenia or schizoaffective disorders have a high prevalence of cannabis use. Understanding some of the environmental factors that maintain cannabis use, such as socially triggered cravings, is a…
- Trial name
- NCT01212081
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- National Institute on Drug Abuse (NIDA)
Marijuana Use
Project Chill: Tailored Youth Drug Intervention In Primary Care
This study examines the impact of tailored computer-delivered and therapist-delivered brief motivations prevention/interventions both for adolescents who have not initiated marijuana use (prevention), and those who use marijuana…
- Trial name
- NCT01329315
- Testing
- BMI-T, BMI-C
- Volunteers
- 1,141 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Marijuana Smoking, Cannabis
Study on Regulated Cannabis Sales in Pharmacies
Though regulated cannabis sales are increasing, little is known about the individual health effects of cannabis regulation. Data from countries with a regulated market can be used to test the effect of regulation on the price of…
- Conditions
- Marijuana Smoking, Cannabis, Cannabis Use
- Trial name
- SCRIPT (NCT06120855)
- Testing
- Regulated cannabis from authorized pharmacies, Cannabis from the illicit market
- Where
- 2 sites in Switzerland
- Volunteers
- 1,177 people, healthy volunteers welcome
- Sponsor
- University of Bern
Substance Abuse, Risk Reduction
First Years Away From Home: Letting Go and Staying Connected
Alcohol abuse is the leading cause of death and serious injury among college students, and students also experience significant harms from other types of substance misuse and risk behaviors.
- Conditions
- Substance Abuse, Risk Reduction, RIsky Sexual Behavior
- Trial name
- FYAH:LGSC (NCT03227809)
- Testing
- Handbook condition, Handbook plus condition
- Where
- United States
- Volunteers
- 910 people, healthy volunteers welcome
- Sponsor
- Washington State University
Cannabis Dependence, Healthy
The Neural Correlates of Cannabis Use
The purpose of this research study is to determine the temporal course of recovery of CB1R availability and neural oscillations, in cannabis-dependent individuals at baseline, following 48 hour confirmed inpatient abstinence and…
- Trial name
- Multimodal (NCT03104257)
- Testing
- [11-C]OMAR
- Where
- United States
- Volunteers
- 162 people, healthy volunteers welcome
- Sponsor
- Yale University
Addiction, Behavioral Addiction
Mobile Health for Problematic Behaviors and Substance Use
The aim of the study is to evaluate the effectiveness of long-term and short-term app-based self-guided psychological interventions to reduce craving and lapse risk in problematic behaviors (compulsive sex, pornography…
- Conditions
- Addiction, Behavioral Addiction, Nicotine Addiction, Nicotine Dependence
- Trial name
- NCT05434429
- Testing
- mobile application
- Where
- Poland
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- PredictWatch
Cigarette Smoking-Related Carcinoma, E-Cig Use
Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use Cigarettes, E-cigarettes and Cannabis (Co-Tox Study)
This study evaluates the amount of nicotine, cannabis, and toxicants linked to the use of nicotine e-cigarette and/or cannabis products in the blood and urine of young adult users as well as the cannabis and nicotine use…
- Trial name
- NCT07167225
- Testing
- Effectiveness of different recruitment approaches, Choice of study completion locations, Cannabis Engagement Assessment
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Roswell Park Cancer Institute
Driving Behavior, Driving Under the Influence
Validation of the Drug Impaired Driving Scenario (DIDS) on the CRCDS-miniSim
Subjects will participate in a 4-visit study protocol at the National Advanced Driving Simulator, part of the University of Iowa, in which they will be asked to complete assorted questionnaires, computerized cognitive tasks, and…
- Trial name
- PDID (NCT04970342)
- Testing
- 0.75 mg Alprazolam Capsule, Cannabis (6.18% THC / <0.025% CBD), Cannabis (0%/ THC / 0% CBD)
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Timothy L. Brown
Cannabis, Cannabis Intoxication
Do Adolescents and Adults Differ in Their Acute Response to Cannabis?
The acute effects of cannabis may differ between adolescents and adults. Furthermore, these effects may be tempered by the presence of cannabidiol.
- Conditions
- Cannabis, Cannabis Intoxication, Cannabis Use, Cannabis Dependence
- Trial name
- CannTeenA (NCT04851392)
- Testing
- Cannabis with delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD), Cannabis with THC without CBD
- Where
- United Kingdom
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University College, London
Cannabis
Cerebellar Alterations in Individuals With a Cannabis Use Disorder
The purpose of this study is to investigate if individuals with a cannabis use disorder have an impaired cerebellar function by assessing possible alterations to their implicit adaptation during a visuomotor rotation task.
- Trial name
- NCT02816034
- Testing
- Visuo-motor rotation, Explicit strategy
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Universitat Pompeu Fabra
Cannabis Use
SV2A 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.
- Trial name
- NCT05465538
- Testing
- [11C]UCB-J PET
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Yale University
Vaping, Adolescent
Nicotine and Cannabis Vape Labeling Experiment - Spring 2025
This study assesses how the ways in which nicotine and cannabis vaping devices are labeled impact use susceptibility, anticipated effects, and health harm.
- Conditions
- Vaping, Adolescent, Electronic Cigarette Use, Nicotine
- Trial name
- EPIC/ADVANCE (NCT06919276)
- Testing
- Vaping Device Labeling
- Where
- United States
- Volunteers
- 3,048 people, healthy volunteers welcome
- Sponsor
- University of Southern California
Concussion, Mild
The Combined Effect of Chronic Cannabis Use and Subconcussive Head Impacts on Brain Health
The purpose of this pilot study is to better understand the effects of chronic cannabis (THC) use on the neural responses to subconcussive head impacts, as a form of repetitive soccer headings.
- Trial name
- NCT04641832
- Testing
- Soccer heading
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Indiana University