Clinical trials: Marijuana Smoking
Marijuana Abuse
The Effect of Prescription Medications in Marijuana Users
A subset of heavy marijuana users have trouble quitting marijuana use and the number of those seeking treatment for problems related to marijuana is increasing.
- Trial name
- NCT00893074
- Testing
- Dronabinol 30mg/day, Dronabinol 60mg/day, Dronabinol 120mg/day
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Insomnia, Alcohol Use, Unspecified
Research Evaluating Sleep & Trends for Universal Prevention
This study is designed to develop an integrated intervention to reduce alcohol and marijuana use and consequences and improve sleep among young adults with comorbid heavy episodic drinking, marijuana use, and sleep impairment.
- Conditions
- Insomnia, Alcohol Use, Unspecified, Marijuana Use
- Trial name
- REST-UP (NCT04783519)
- Testing
- Brief Behavioral Therapy for Insomnia (BBTI), Brief Alcohol Screening and Intervention for College Students (BASICS)
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Washington
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
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
Marijuana Use Disorder
Effects of Smoked Marijuana on Risk Taking and Decision Making Tasks
The purpose of this study is to investigate the effects of smoked marijuana on both risk taking and decision making tasks.
- Trial name
- NCT00373399
- Testing
- Inactive Marijuana (0% THC), Low THC marijuana (1.8 %THC), High THC marijuana (3.9% THC)
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
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
Smoking, Marijuana
Laboratory Study of Cannabidiol on the Effects of Smoked Marijuana
The objective of this study is to assess the effects of oral cannabidiol (CBD; 0, 200, 400, 800 mg) on smoked marijuana's (0, 5.6% THC) subjective, reinforcing, cognitive, and cardiovascular effects.
- Trial name
- NCT01844687
- Testing
- CBD
- Where
- 3 sites in United States
- Volunteers
- 50 people
- Sponsor
- National Institute on Drug Abuse (NIDA)
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
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 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
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
Cannabis Use, Tobacco Use Disorder
N-Acetylcysteine for Smoking Cessation in Tobacco and Cannabis Co-Use
Tobacco and cannabis co-use is a common and growing public health problem, especially in states that have legalized cannabis. There are no pharmacologic treatments for co-occurring tobacco and cannabis use.
- Conditions
- Cannabis Use, Tobacco Use Disorder, Drug Use Disorder
- Trial name
- NAC_CUD-TUD (NCT04627922)
- Testing
- N-Acetyl cysteine, Cognitive behavioral therapy (CBT)
- Where
- United States
- Volunteers
- 41 people
- Sponsor
- Ellen Herbst
Alcohol Drinking, Smoking
An Effectiveness Trial of Project ALERT
The purpose of this study is to replicate a longitudinal evaluation of Project ALERT, a substance abuse prevention program that targets middle school students.
- Conditions
- Alcohol Drinking, Smoking, Marijuana Smoking
- Trial name
- NCT00650585
- Testing
- Project ALERT
- Where
- United States
- Volunteers
- 8,338 people, healthy volunteers welcome
- Sponsor
- Pacific Institute for Research and Evaluation
Cannabis Dependence
A Trial of N-Acetylcysteine (an Over-the-Counter Medicine) in Adolescents Who Smoke Marijuana
This study is investigating how N-Acetylcysteine (NAC), an over-the-counter medication, will reduce marijuana use when combined with Contingency Management, a behavioral treatment.
- Trial name
- NCT01005810
- Testing
- N-Acetylcysteine, Contingency Management
- Where
- United States
- Volunteers
- 116 people
- Sponsor
- Medical University of South Carolina
Marijuana Use
Effects of a Range of Naltrexone Doses in Combination With Smoked Marijuana
The purpose of this study is to determine if the subjective effects of marijuana will be decreased by low-doses (< 25 mg) of naltrexone and increased by high-doses (> 50 mg) of naltrexone.
- Trial name
- NCT00403117
- Testing
- Naltrexone 12 Mg+ Active Marijuana (3.27% THC), Naltrexone 25 Mg + Active Marijuana (3.27% THC), Naltrexone 50 Mg+ Active Marijuana (3.27% THC)
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Tobacco Use Disorder
Cannabis and Tobacco Co-use Study
The purpose of this study is to better understand tobacco outcomes using a well-known stop smoking medication, varenicline, and financial incentives with tobacco users.
- Trial name
- NCT04228965
- Testing
- Varenicline, Contingency Management, Counseling
- Where
- 3 sites in United States
- Volunteers
- 181 people
- Sponsor
- Medical University of South Carolina
Cannabis Dependence, Nicotine Dependence
Cognitive Behavioral Therapy and the Nicotine Transdermal Patch for Cannabis Dependence and Nicotine Dependence
The investigators are conducting a Stage 1 pilot feasibility study at McLean Hospital to develop and refine a Cognitive Behavioral Therapy (CBT) intervention.
- Trial name
- CBT-MJ-NIC (NCT01292642)
- Testing
- Cognitive Behavioral Therapy, Nicotine Replacement Therapy
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Mclean Hospital
Marijuana Dependence
Vaping THC From Electronic Cigarettes
This study aims to understand THC pharmacology and the safety of cannabis vaping, including the pharmacology and safety of co-administration of nicotine and THC.
- Trial name
- V-PAX (NCT02955329)
- Testing
- Nicotine, Cannabis, PAX Loose Leaf Vaporizer
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
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
Marijuana Use, Pregnancy
Computer-delivered Screening & Brief Intervention for Marijuana Use in Pregnancy
Marijuana is by far the mostly commonly used illicit drug during pregnancy, and prenatal exposure to marijuana can have lasting negative effects.
- Trial name
- NCT02191605
- Testing
- eSBIRT, Tailored texting
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Wayne State University