Clinical trials: Cannabis Smoking
Prenatal Alcohol Exposure, Prenatal Tobacco Exposure
Choices4Health: Intervention to Prevent Substance-exposed Pregnancy
This is a 4-year randomized, controlled study to test the efficacy of the CHOICES4Health-T (C4H-T) delivered by a computerized tablet, CHOICES4Health-C (C4H-C), delivered by a counselor, and brief advice (BA), on reducing…
- Conditions
- Prenatal Alcohol Exposure, Prenatal Tobacco Exposure, Prenatal Marijuana Exposure
- Trial name
- C4H (NCT03633149)
- Testing
- Computer tablet-delivered C4H, Person-delivered C4H, Brief Advice
- Where
- United States
- Volunteers
- 219 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Cannabis Use, Stress
Perceptual Influences From Smoking Cannabis: an Experimental Study
The purpose of the study is to better understand the effects of cannabis in relation to mental and physical states including its relationship with mood, cognition, perception including the experience of temperature and pain, and…
- Trial name
- PISCES (NCT06588582)
- Testing
- Water Temperature Variation - WW, Water Temperature Variation - CW
- Where
- United States
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Boulder
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
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
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
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
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
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
Cannabis Use, Cannabis Smoking
Longitudinal Study of Xenon-129 MRI Imaging Effects of Cannabis Smoking
This is a longitudinal study of the long-term health impact of cannabis smoking on the lungs. Participants will be followed over a period of 3 years, and impacts of cannabis smoking on the lungs will be measured with magnetic…
- Conditions
- Cannabis Use, Cannabis Smoking, Marijuana Smoking, Marijuana Usage
- Trial name
- NCT03909477
- Testing
- Hyperpolarized Xenon-129 MRI of the lungs, Computed Tomography (CT), Pulmonary Function Tests (PFTs)
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Western University, Canada
Cannabis
Transcranial Magnetic Brain Stimulation to Reduce Cannabis Use in Heavy Cannabis Users
The growing legalization of cannabis across the U.S. is associated with increases in cannabis use, and accordingly, an increase in the number of individuals with cannabis use problems, including cannabis use disorder (CUD).
- Trial name
- iCURE (NCT05401929)
- Testing
- iTBS
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Duke University
Smoking
Development of a Videogame Prototype Targeting Cigarette and Marijuana Smoking, and Tobacco Product Prevention Among Young Adolescents
To study feasibility and implementation of a education videogame and the effects on adolescents knowledge and beliefs around tobacco products.
- Trial name
- smokeSCREEN (NCT03107936)
- Testing
- smokeSCREEN game
- Where
- 4 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yale University
Behavioral Economics, Cannabis Smoking
Using Novel Behavioral Economic Measures to Characterize Dual Marijuana and Tobacco Use in Young Adults
The multi session experimental study aims to determine dual use patterns of marijuana and tobacco by assessing the impact of price and availability of marijuana and tobacco using a cross price elasticity of demand task.
- Conditions
- Behavioral Economics, Cannabis Smoking, Tobacco Smoking
- Trial name
- MATEY (NCT07398443)
- Testing
- Cue Reactivity
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Brown University