Clinical trials: Marijuana Smoking
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
Cannabis Use, Marijuana Use
Cannabis Use in Pregnancy and Downstream Effects on Maternal and Infant Health
With perinatal cannabis use rising in Canada, robust data on short-term and long-term effects on newborns are urgently needed. However, past barriers to obtain robust data included limited sample sizes, low self-reporting and no…
- Trial name
- CUPiD (NCT05309226)
- Testing
- Cannabis use in pregnancy or cannabis exposure in utero
- Where
- 4 sites in Canada
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Ottawa Hospital Research Institute
Cannabis
Laboratory Smoking of Marijuana "Blunts"
This is a double-blind within-subjects clinical laboratory study comparing the product appeal and abuse liability-related subjective effects of different flavored cigar wrappers for marijuana blunts.
- Trial name
- NCT03546790
- Testing
- Marijuana
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Battelle Memorial Institute
Psychosis, Substance Use
Families With Substance Use and Psychosis: A Pilot Study
The purpose of this study is to develop and evaluate an intervention that adapts Community Reinforcement and Family Training (CRAFT) for families experiencing first episode psychosis and substance use delivered via telemedicine…
- Conditions
- Psychosis, Substance Use, Substance Use Disorders, Family
- Trial name
- NCT04284813
- Testing
- CRAFT-FT
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
Cannabis, Vaping
A Virtual Reality Game to Prevent E-cigarette and Cannabis Vaping
The goal of this study is to develop and test an adapted version of our virtual reality videogame intervention prototype, Invite Only VR, developed for middle school students, which focuses on e-cigarette and marijuana vaping…
- Conditions
- Cannabis, Vaping, Emotion Regulation
- Trial name
- NCT07413432
- Testing
- Virtual reality videogame intervention for vaping prevention
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Yale University
Cannabis Intoxication
The Impact and Detection of Driving Impairments Associated With Acute Cannabis Smoking
This study was authorized by the California Legislature (Assembly Bill 266, the Medical Marijuana Regulation and Safety Act to help with detection of driving under the influence of cannabis.
- Trial name
- NCT02849587
- Testing
- Cannabis
- Where
- United States
- Volunteers
- 199 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Healthy Volunteers
Safety and Pharmacokinetics of Smoked Cannabis in Healthy Patients
No actual human data for pharmacokinetics, metabolism, safety, pharmacodynamics, nor efficacy parameters are available for inhaled medical cannabis.
- Trial name
- NCT04314804
- Testing
- PPP001
- Where
- Canada
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Tetra Bio-Pharma
Cannabis Use, Tobacco
Lung Health and Breath Biomarkers: Acute Effects of Inhaled Cannabis
This outpatient study examines how inhaled cannabis, combustible or vaporized, alters lung health and breath biomarkers compared to a tobacco cigarette.
- Conditions
- Cannabis Use, Tobacco, Biomarkers
- Trial name
- NCT07694466
- Testing
- Cannabis (THC), Tobacco Cigarette
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Hannah Harris
Chronic Pain
Marijuana Use, Strength Training, and Alcohol Consumption (MUSTAC) Study
Self-medication of pain by consuming alcohol and marijuana is common. However, the research regarding pain as a determinant for alcohol and marijuana use has relied on laboratory pain induction paradigms with limited clinical…
- Trial name
- NCT04791917
- Testing
- Eccentric Biceps Flexion, Concentric Biceps Flexion
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- University of Florida
Substance-related Disorders, Alcohol-Related Disorders
LaunchPad: Supporting Healthy Decisions and Preventing Drug Use After High School
LaunchPad is an online substance use prevention program for high school seniors. The program is designed to help seniors develop skills and make informed decisions as they transition from high school to young adulthood.
- Conditions
- Substance-related Disorders, Alcohol-Related Disorders, Tobacco Use Disorder, Marijuana Use
- Trial name
- NCT07655609
- Testing
- Introduction, Norms re: Protective Behavior Strategies (PBS), Life Skills
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Prevention Strategies, LLC
Cannabis Abuse
Drug-Drug Interaction Between THC and AEF0117
This trial is a single center, double blind, placebo-controlled trial in healthy male and female recreational cannabis users with placebo and AEF0117 dosed in a fixed sequence.
- Trial name
- DDI (NCT06395688)
- Testing
- 3ß-(4-methoxybenzyloxy)pregn-5-en-20-one
- Volunteers
- healthy volunteers welcome
- Sponsor
- Aelis Farma
Opioid-use Disorder, Acceptability of Health Care
Patients' Attitudes Toward and Experiences With Buprenorphine Treatment
This study will disseminate five surveys collecting individual's attitudes and experiences during buprenorphine treatment for Opioid Use Disorder during the COVID-19 pandemic.
- Conditions
- Opioid-use Disorder, Acceptability of Health Care, Opioid-Related Disorders
- Trial name
- NCT05121428
- Where
- United States
- Volunteers
- 817 people, healthy volunteers welcome
- Sponsor
- Cambridge Health Alliance
Cannabis Use, THC
Cannabis THC Potency, Metabolism, and Cognitive Impairment in Young Adults
The goal of this interventional study is to determine the impact of high potency THC product use on cognitive function of young adults aged 21-25.
- Conditions
- Cannabis Use, THC, Marijuana Use, Cognitive Impairment
- Trial name
- THC-YA (NCT06077292)
- Testing
- 15% THC Potency Reduction, 35% THC Potency Reduction
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Tobacco Use Disorder, Tobacco Use Cessation
Cannabis-Tobacco Co-Use Treatment Study
The purpose of the RECLAIM study is to evaluate the effectiveness of varenicline (sometimes known as Chantix) compared to placebo (an inactive substance) for the treatment of cigarettes and cannabis (marijuana).
- Conditions
- Tobacco Use Disorder, Tobacco Use Cessation, Cannabis Use, Cannabis Use Disorder
- Trial name
- RECLAIM (NCT06883162)
- Testing
- Varenicline, Counseling, Psychosocial modules
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Nicotine Dependence, Tobacco Use Disorder
E-cigarette Cessation in Adults Who Co-use Cannabis
The purpose of this study is to better understand tobacco outcomes using a commonly prescribed stop smoking medication (varenicline) and financial incentives for adults who also use cannabis.
- Trial name
- VapeCAT (NCT06688539)
- Testing
- Varenicline Pill, Contingency management, Counseling
- Where
- 3 sites in United States
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Tobacco Use Disorder, Nicotine Dependence
Young Adult Tobacco/Nicotine and Cannabis Co-use
The goal of this project is to better understand the relationship between tobacco/nicotine and cannabis using behavioral economics during a tobacco/nicotine quit attempt.
- Trial name
- YouthCAT (NCT06239350)
- Testing
- Counseling, Contingency management, Text-based support
- Where
- United States
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Alcohol Drinking, Marijuana
Brief Interventions With Text Messaging to Reduce Adolescent Alcohol and Marijuana Use
This study tests the feasibility of an intervention to prevent risky alcohol or marijuana use that adds a 4-week course of tailored text messaging to a brief motivational intervention for 13-18-year-old adolescents.
- Trial name
- STAR (NCT03401333)
- Testing
- Text Messaging and Brief Negotiation Interview
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Yale University
Marijuana Smoking
Behavioral Economic Analysis of Demand for Marijuana
This laboratory study will employ a multi-session experimental design to examine the behavioral economic demand for marijuana, by studying effect of marijuana administration (High THC) on demand for marijuana, and marijuana…
- Trial name
- NCT03518567
- Testing
- Smoked marijuana cigarettes: High THC dose (6% THC)
- Where
- United States
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- Brown University
Marijuana Use, Cannabis Use
THC + CBD and Memory Study
Memory deficits are one of the most consistently observed cognitive effects of marijuana use. There is evidence that some decrements attributable to the primary psychoactive ingredient, delta-9-tetrahydrocannabinol (THC), may be…
- Conditions
- Marijuana Use, Cannabis Use, Cannabis Intoxication
- Trial name
- NCT04855526
- Testing
- High THC/No CBD Marihuana, High THC/High CBD Marihuana, No THC/No CBD Marihuana
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Hartford Hospital
Opioid Use, Alcohol Drinking
TACUNA (Traditions and Connections for Urban Native Americans)
This study responds to Request For Application-DA-19-035, HEAL (Helping End Addiction Long Term) initiative: Preventing OUD in Older Adolescents and Young Adults (ages 16-30) by developing and implementing a culturally centered…
- Conditions
- Opioid Use, Alcohol Drinking, Marijuana Use
- Trial name
- TACUNA (NCT04617938)
- Testing
- TACUNA plus Wellness Circle, Opioid Education Workshop
- Where
- 3 sites in United States
- Volunteers
- 541 people, healthy volunteers welcome
- Sponsor
- RAND