Clinical trials: Marijuana Abuse
Positron Emission Tomography
Brain Nicotine Receptor Density in Veteran Smokers
Cigarette smoking is more prevalent among Veterans (27%) than the general U.S. population (21%). Smoking is common among people who use marijuana or caffeine heavily, and the use of menthol cigarettes is becoming increasingly…
- Trial name
- BNRDVS (NCT01721473)
- Testing
- positron emission tomography scan
- Where
- 2 sites in United States
- Volunteers
- 184 people
- Sponsor
- VA Office of Research and Development
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
Marijuana Dependence
Vilazodone Treatment for Marijuana Dependence
Marijuana is the most commonly used illicit drug, yet few clinical trials have evaluated pharmacotherapy treatments for marijuana dependence.
- Trial name
- NCT01574183
- Testing
- Vilazodone
- Where
- United States
- Volunteers
- 76 people
- Sponsor
- Medical University of South Carolina
Pregnancy Related, Cannabis Use
Effects of Pregnancy-associated Hormones on THC Metabolism in Women
Cannabis use is prevalent among pregnant women, but the effects of use on both the developing fetus and pregnant woman are unknown.
- Trial name
- PrECEPT (NCT04374773)
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Washington
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 Dependence
Sativex and Behavioral-relapse Prevention Strategy in Cannabis Dependence
The purpose of this study is assess Sativex as a treatment for Cannabis dependence. Initially a pilot study will be conducted in five subjects seeking treatment for cannabis dependence to ensure that our planned self-titration…
- Trial name
- NCT01747850
- Testing
- Motivational Enhancement/Cognitive Behavioral Therapy, Sativex
- Where
- Canada
- Volunteers
- 45 people
- Sponsor
- Centre for Addiction and Mental Health
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
Anxiety, Anxiety Disorders
Anxiety, Inflammation, Stress, and Cannabinoids
This study investigates whether the anxiolytic effects and anti-inflammatory properties of cannabis vary as a function of the ratio of CBD to THC, with the goal that these effects may shed light on the mixed data linking cannabis…
- Conditions
- Anxiety, Anxiety Disorders, Anxiety Generalized, Anxiety Chronic
- Trial name
- NCT03491384
- Testing
- Cannabis (smoked flower, ingested edible)
- Where
- United States
- Volunteers
- 361 people
- Sponsor
- University of Colorado, Boulder
Cannabis Use Disorder, Cannabis Dependence, Continuous
Brain Imaging of Cannabinoid Receptors
All participants will be healthy volunteers and all procedures will be completed for research purposes only. Two groups will be recruited, females who use cannabis (marijuana, MJ), and female who do not use cannabis (controls).
- Trial name
- NCT03204305
- Testing
- 11C-OMAR, Cannabis
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Depressive Disorder, Major, Cannabis Abuse
Effectiveness of Fluoxetine in Young People for the Treatment of Major Depression and Marijuana Dependence
Adolescents who are diagnosed with major depressive disorder are often also diagnosed with marijuana dependence. Fluoxetine is an antidepressant medication currently used to treat young people who are diagnosed with major…
- Trial name
- CADY (NCT00149643)
- Testing
- Fluoxetine
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- University of Pittsburgh
Cannabis Use
Feasibility and Acceptability of the Cannabis Awareness and Prevention Toolkit
The Stanford Smart Talk Cannabis Awareness and Prevention Curriculum includes 5 lessons, each providing activities, online quiz games, and worksheets in addition to presentations, resources, and other materials aimed at…
- Trial name
- NCT05521321
- Testing
- Stanford Smart Talk Cannabis Awareness and Prevention curriculum
- Where
- United States
- Volunteers
- 658 people, healthy volunteers welcome
- Sponsor
- Stanford University
Cannabis Dependence
Safety and Efficacy of a FAAH-Inhibitor to Treat Cannabis Withdrawal
Cannabis dependence is associated with changes in the brain's cannabinoid system. When cannabis dependent individuals try to quit using cannabis, some of them experience problems that make it difficult for them to achieve and…
- Trial name
- NCT01618656
- Testing
- PF-04457845
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- Yale University
Marijuana Dependence
Baclofen Effects on Marijuana Dependence
Studies show that certain reminders of drug use such as the sight of someone using marijuana, pictures of blunts, particular moments throughout the day, prompt marijuana users to smoke marijuana.
- Trial name
- NCT02011516
- Testing
- Baclofen, Psychosocial
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Parkinson Disease
A Study of Tolerability and Efficacy of Cannabidiol on Motor Symptoms in Parkinson's Disease
The major purpose of this study is to assess the efficacy of CBD on motor symptoms of Parkinson's Disease (PD), and secondarily to study the safety and tolerability of CBD and other efficacy, particularly regarding tremor in PD.
- Trial name
- NCT03582137
- Testing
- Cannabidiol
- Where
- United States
- Volunteers
- 74 people
- Sponsor
- University of Colorado, Denver
Cannabis Dependence, Cannabis Withdrawal
Clinical and Neurobiological Effects of Cannabis Dependence in Young Adults
The purpose of this study is to find out more about cognitive functioning in people who are cannabis dependent, relative to people who do not use cannabis, and how their brains process information after one month of not using…
- Trial name
- SCCAN (NCT00656487)
- Testing
- rimonabant
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- The Scripps Research Institute
Marijuana Dependence
Nicotine Patch for Marijuana Withdrawal
The purpose of this 3-year trial is to test the efficacy of transdermal nicotine patch versus placebo patch on marijuana withdrawal symptoms in cannabis-dependent individuals, using a randomized, double-blind, and…
- Trial name
- NMW (NCT01400243)
- Testing
- Nicotine
- Where
- United States
- Volunteers
- 127 people
- Sponsor
- Southern Illinois University Carbondale
Marijuana Abuse
Effects of Citicoline on Brain Function and Behavior in Marijuana-Dependent Individuals
The Three Aims of this study are (only studies for Aim 1 were completed) 1. Measure the impact of citicoline on marihuana use patterns in subjects' individualized natural settings and responses to marihuana challenge using…
- Trial name
- NCT00158249
- Testing
- citicoline
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
Cannabis Dependence, Tobacco Dependence
Varenicline for Co-occurring Cannabis and Tobacco Use
Pilot, eight week, open-label, within-subject cross over trial of four weeks of standard clinical care (SCC) in an outpatient substance use disorder treatment program and four weeks of SCC and varenicline among current and former…
- Trial name
- NCT04595318
- Testing
- Standard clinical care first, followed by standard clinical care and varenicline, Standard clinical care and varenicline first, followed by standard clinical care
- Volunteers
- 7 people
- Sponsor
- Albert Einstein College of Medicine
Schizophrenia, Dual Diagnosis
Cannabis and Schizophrenia: Self-Medication and Agonist Treatment
The first aim of this study is to determine whether a brain reward center (BRC) deficiency in patients with schizophrenia (SCZ) and cannabis use disorder (CUD) will be normalized when patients are given cannabis or dronabinol.
- Conditions
- Schizophrenia, Dual Diagnosis, Schizoaffective Disorder, Psychotic Disorder
- Trial name
- NCT00946348
- Testing
- Dronabinol, Cannabis
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center
Marijuana Dependence
Hormones and Reduction in Co-users of Marijuana and Nicotine
The purpose of this study is to examine the role of progesterone (a naturally occurring hormone found in both men and women) on reducing marijuana use.
- Trial name
- NCT02579421
- Testing
- Progesterone
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- University of Minnesota