Clinical trials: Cannabis Smoking
Electronic Nicotine Delivery Systems
Influencer E-Cigarette and Cannabis Marketing: a Survey-Based Experiment Among Adolescents
Adolescent non-users of e-cigarettes and cannabis (N = 1,462) participated in the in-class survey-based experiment. They were randomly shown 3 pairs of images featuring influencers promoting e-cigarettes alongside cannabis…
- Trial name
- NCT06919263
- Testing
- Influencer marketing
- Where
- United States
- Volunteers
- 1,462 people
- Sponsor
- University of Southern California
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
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
Marijuana Smoking
Nabilone & Marijuana Addiction
Safety of Nabilone in reducing marijuana craving
- Trial name
- NCT01025700
- Testing
- Cesemat
- Where
- Canada
- Volunteers
- 35 people
- Sponsor
- University of British Columbia
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
Sexual Behavior, Alcohol Drinking
Adolescent Safer Sex Social Network Intervention
Social networks are thought to hold the potential for shaping behavior on the grounds that social and situational factors more strongly influence behavior than do personality variables.
- Conditions
- Sexual Behavior, Alcohol Drinking, Marijuana Smoking
- Trial name
- NCT00107562
- Testing
- Adolescent Safer Sex Social Network Intervention
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Chronic Obstructive Pulmonary Disease
Effects of Marijuana Used on Lung Function in Persons With Chronic Obstructive Pulmonary Disease (COPD)
The main hypothesis is that persons that smoke or smoked tobacco and marihuana have worsen lung function as compared with persons that only smoke or smoked tobacco.
- Trial name
- NCT01096303
- Where
- 2 sites in United States
- Volunteers
- 200 people
- Sponsor
- The University of Texas Health Science Center, Houston
Marijuana Smoking
Effects of Low-dose Naltrexone in Combination With a Range of Smoked Marijuana
In heavy marijuana smokers, opioid receptor blockade increases the subjective and cardiovascular effects of marijuana. The current study was designed to clarify opioid-cannabinoid interactions by assessing how naltrexone shifts…
- Trial name
- NCT00743145
- Testing
- Inactive Marijuana (0% THC), Active Marijuana (5.5% THC), Active Marijuana (6.2% THC)
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Smoking Cessation, Marijuana Use
Project CheckUP: A Brief Behavioral Intervention for Quitline Callers Who Use Marijuana (MJ) and Tobacco
Smoking cigarettes remains the number one preventable cause of death and disease in the US. Smokers who call tobacco quitlines and use marijuana struggle to quit tobacco due to the interactive effects of nicotine and marijuana.
- Trial name
- NCT04737772
- Testing
- Behavioral: Quitline treatment as usual, QL Marijuana Check-Up intervention (QL-MJCU)
- Where
- United States
- Volunteers
- 107 people, healthy volunteers welcome
- Sponsor
- Consumer Wellness Solutions
Marijuana Smoking
Effects of Dronabinol (Oral THC) on Cannabis Use
Study participants received dronabinol (0, 120mg/day and 240mg/day) for 12 consecutive days in a randomized order. During each dronabinol maintenance period they were able to self-administer active or placebo cannabis using…
- Trial name
- NCT01394185
- Testing
- Dronabinol 120mg/day, Dronabinol 240mg/day
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Perinatal, Cannabis Use
Feasibility and Acceptability Trial to Reduce Tobacco and Cannabis Use During Pregnancy and Postpartum
Using both tobacco and cannabis during pregnancy is more common in minoritized groups and can make quitting smoking in pregnancy and remaining smoke free postpartum difficult.
- Conditions
- Perinatal, Cannabis Use, Tobacco Use, Smoking Cessation
- Trial name
- PICTURe (NCT07489443)
- Testing
- Perinatal smoking cessation treatment and maintenance sessions
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- University of Pittsburgh
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
Cannabis Use, Cannabis Dependence
Neuroimaging of Adolescent Cannabis Use Treatment
This study is testing whether brain activity related to learning can help predict how well teens respond to a treatment program designed to reduce cannabis use.
- Conditions
- Cannabis Use, Cannabis Dependence, Cannabis Use Disorder, Cannabis Abuse
- Trial name
- ACT (NCT07340554)
- Testing
- Contingency Management, Elastic Net Regression
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Indiana University
Marijuana Smoking
An Exercise App to Reduce Young Adults' MJ Use
Currently, marijuana (MJ) is the most popular illicit drug, but there are few effective interventions to help young adults (age 18 to 25 years) to reduce their MJ intake.
- Trial name
- NCT01863095
- Testing
- Personalized Feedback and Exercise
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- State University of New York at Buffalo
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
Marijuana Smoking
Effect of Quetiapine on Marijuana Withdrawal and Relapse
The objective of this study is to investigate the interaction between marijuana and quetiapine, with the goal of using this information to improve marijuana treatment outcome.
- Trial name
- NCT00743366
- Testing
- Marijuana, Quetiapine
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Alcohol Drinking, Marijuana Smoking
Motivation and Skills for Delta-9-tetrahydrocannabinol/Ethanol (THC/ETOH+) Teens in Jail
This study will focus on treating substance abusing incarcerated teens using individually administered Motivational Interviewing (MI) followed by group Cognitive Behavior Therapy (CBT).
- Trial name
- SMART (NCT00506753)
- Testing
- MI/CBT, RT/SU
- Where
- United States
- Volunteers
- 205 people, healthy volunteers welcome
- Sponsor
- University of Rhode Island
Smoking, Cannabis
Imaging the Neurochemistry of Drug Addiction With PET
The investigators' project has two overarching goals. 1) The investigators will use newly developed positron emission tomography (PET) technology to investigate the dopaminergic neurochemistry of drugs of abuse including…
- Trial name
- NCT02817698
- Testing
- cannabis
- Where
- 3 sites in United States
- Volunteers
- 25 people
- Sponsor
- Yale University
THC, Cannabis
THC Crossover Study
This is a randomized, crossover study enrolling experienced dual cannabis-tobacco smokers (N=18) to describe the differences in THC and toxicant exposure, examining pharmacokinetic, subjective, and cardiovascular effects from…
- Conditions
- THC, Cannabis, Cannabis Smoking, Cannabis Use, Unspecified
- Trial name
- TRDRP (NCT04429568)
- Testing
- Smoked Cannabis, Vaped Cannabis, Tobacco Cigarette
- Where
- 2 sites in United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Cannabis Smoking, Oxidative Stress
Chronic Cannabis Smoking, Oxidative Stress and the Pulmonary Innate Immune Response
This study plans to evaluate the effects of chronic cannabis smoking on lung health by evaluating its effects on pulmonary health, lung physiology and alveolar macrophage function.
- Trial name
- NCT02480283
- Testing
- Bronchoscopy, Chest X-ray, Venipuncture
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver