Clinical trials: Cannabis Use
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
Pain, Cannabis
Enhancing Medication-based Analgesia in Humans
This is a single-group, within-subject, double-blind, double-dummy, placebo and active-controlled study evaluated whether the FDA-approved cannabinoid dronabinol (Marinol) would enhance analgesia, subjective reports, and…
- Conditions
- Pain, Cannabis, Opioid Use, Unspecified
- Trial name
- NCT02901275
- Testing
- Within-subject test of blinded study medications
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins 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
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
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
Chronic Pain
Reactions of Older Adults Driving After Cannabis Exposure
Objective of the Protocol: The primary aim of the current protocol is to examine whether or not habitual use of medical marijuana affects psychomotor functioning operationalized as driving performance.
- Trial name
- ROADACE (NCT04629716)
- Testing
- Medical Cannabis
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Florida State University
Substance Use Disorders
Behavioral Treatment of Adolescent Substance Use
This study will continue research designed to improve treatment outcomes for adolescent substance use disorders by integrating neuroscience- and behaviorally-based treatments.
- Trial name
- SMART (NCT02063984)
- Testing
- Intensive Outpatient Treatment (IOP) + Contingency Management (CM), Working Memory Training
- Where
- United States
- Volunteers
- 59 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
Opioid-use Disorder, Cocaine Use Disorder
Feasibility and Validation of a Standard Phenotyping Assessment Battery
The overall goal of this project is to collect preliminary data on psychosocial measures and behavioral performance comparing individuals with Opioid Use Disorder, Cocaine Use Disorder, dual diagnosis of Opioid and Cocaine Use…
- Conditions
- Opioid-use Disorder, Cocaine Use Disorder, Marijuana Use Disorder, Healthy Controls
- Trial name
- PhAB (NCT03495869)
- Where
- United States
- Volunteers
- 368 people
- Sponsor
- Virginia Commonwealth University
Alcohol Abuse, Tobacco Use Disorder
Screening to Augment Referral to Treatment- Project START
The investigators propose to use obstetric-gynecological clinics to conduct a randomized clinical trial that would compare two SBIRTS (Screening, Brief Intervention, Referral and Treatment), delivered either by a trained nurse or…
- Conditions
- Alcohol Abuse, Tobacco Use Disorder, Marijuana Abuse, Substance-Related Disorders
- Trial name
- ProjectSTART (NCT01539525)
- Testing
- Motivational Interview, Treatment as Usual
- Where
- 2 sites in United States
- Volunteers
- 439 people
- Sponsor
- Yale University
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
Cannabis Use Disorder
Fatty Acid Amide Hydrolase (FAAH) Inhibitor Treatment of Cannabis Use Disorder (CUD)
A Phase 2B, 8-Week, Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study to Evaluate the Efficacy, Safety and Tolerability of the Fatty Acid Amide Hydrolase (FAAH) Inhibitor PF-04457845 in Adults with DSM-5 Current…
- Trial name
- FAAH-I MULTI (NCT03386487)
- Testing
- PF 04457845
- Where
- 4 sites in United States
- Volunteers
- 228 people
- Sponsor
- Yale University
Cannabis Dependence
Study of Long-Acting Injectable Naltrexone to Treat Cannabis Dependence
This is an 8 week, outpatient research study testing the use of long-acting naltrexone (Vivitrol) as a treatment for marijuana dependence.
- Trial name
- NCT02088177
- Testing
- Long-acting injectable naltrexone
- Where
- 2 sites in United States
- Volunteers
- 12 people
- Sponsor
- New York State Psychiatric Institute
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
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
Schizophrenia, Schizoaffective Disorder
Controlled Trial of Brexpiprazole For The Treatment of Co-occurring Schizophrenia and Substance Use Disorder
The proposed study is a 4-site, 12-week, novel, feasibility, investigation of patients who have co-occurring diagnoses of schizophrenia and current substance use disorder (alcohol, cocaine, heroin, or cannabis).
- Conditions
- Schizophrenia, Schizoaffective Disorder, Substance Use Disorders
- Trial name
- NCT03526354
- Testing
- Brexpiprazole, Treatment as Usual
- Where
- 4 sites in United States
- Volunteers
- 50 people
- Sponsor
- University of Massachusetts, Worcester
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)
Substance Use Disorder
Varenicline Treatment for Cannabis Use Disorder
Marijuana is the most commonly used illicit drug. There is high demand for effective interventions for cannabis use disorder, yet few specific treatments for have been developed.
- Trial name
- NCT02892110
- Testing
- Varenicline
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- Medical University of South Carolina
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
Cannabis, Cannabis Use
Impact of Reduced Cannabis Use on Functional Outcomes (R33 Phase)
Nearly 20 million Americans report use of cannabis in the past month, and heavy cannabis use has increased by nearly 60% in the U.S. since 2007.
- Trial name
- FOCUS (NCT04567238)
- Testing
- Mobile contingency management
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Duke University
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