Clinical trials: Marijuana Usage
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
Cannabis Use Disorder
N-Acetylcysteine for Youth Cannabis Use Disorder
This is a 12-week randomized, placebo-controlled trial of N-acetylcysteine for cannabis use disorder (CUD) in youth (N=192). Participants will be randomized to double-blind NAC or PBO, yielding two equally-allocated treatment…
- Trial name
- NCT03055377
- Testing
- N-acetyl cysteine
- Where
- United States
- Volunteers
- 192 people
- Sponsor
- Medical University of South Carolina
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
Effect of Lorcaserin on Cannabis Withdrawal and Self-administration
In this study, the investigators are interested in testing how lorcaserin influences the effects of cannabis in a human laboratory model of cannabis use.
- Trial name
- NCT03253926
- Testing
- Lorcaserin, Marijuana
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Marijuana Abuse
The Effect of Food on the Oral Bioavailability of AEF0117 in Healthy Volunteers
Cannabis use is increasing and will only further escalate with legalization of recreational and medical cannabis use in western countries , with a prevalence greater than 30 % in the US and most European countries for individuals…
- Trial name
- NCT05451017
- Testing
- 3ß-(4-methoxybenzyloxy)pregn-5-en-20-one in fed condition, 3ß-(4-methoxybenzyloxy)pregn-5-en-20-one in fasting condition
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Aelis Farma
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, 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
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)
Marijuana Abuse
Treatment for Adolescent Marijuana Abuse
Marijuana remains the most prevalent illicit substance used by adolescents and the number of adolescents receiving treatment for marijuana abuse more than tripled during the last decade.
- Trial name
- NCT00580671
- Testing
- MET/CBT, CM, BPT
- Where
- United States
- Volunteers
- 153 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center
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
Drug Addiction
The Role of Sleep in the Treatment of Cannabis Use Disorders
The number of people seeking treatment for marijuana-related problems is on the rise, yet there is no currently accepted medication proven to help them quit.
- Trial name
- NCT01685073
- Testing
- Zolpidem extended-release, MET/CBT
- Where
- United States
- Volunteers
- 127 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Attention Deficit Hyperactivity Disorder, Nicotine Dependence
Bupropion for ADHD in Adolescents With Substance Use Disorder
Attention deficit hyperactivity disorder (ADHD) is one of the most common co-occurring psychiatric disorders (30-50%) in adolescents with substance use disorders (SUD).
- Conditions
- Attention Deficit Hyperactivity Disorder, Nicotine Dependence, Cannabis Use Disorder
- Trial name
- NCT00936299
- Testing
- Bupropion
- Where
- United States
- Volunteers
- 105 people
- Sponsor
- University of Colorado, Denver
Chronic Pain, Opioid Use
Medical Cannabis as an Opiate Alternative
Medical Cannabis is very safe and a viable option for pain relief to improve patients and their family's quality of life. However, medical cannabis is not covered by insurance and is an out of pocket expense.
- Trial name
- NCT07194928
- Testing
- We will monitor patient's response to medical marijuana as alternative to opioid for chronic pain.
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- University of Pennsylvania
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
Cannabis Use, Adolescent Behavior
Pilot Trial of Contingency Management for Long-Term Cannabis Abstinence
This study is a critically important first-of-its-kind investigation of the potential research utility of using contingency management to examine long-term changes in cannabis use with six months of abstinence.
- Trial name
- NCT03786224
- Testing
- Contingency Management
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Cannabis-Related Disorder, Substance-Related Disorders
First Episode Schizophrenia and Cannabis-Related Disorder Study
Many individuals with schizophrenia abuse cannabis at the onset of their illness, portending a poorer course of illness and poorer treatment response.
- Conditions
- Cannabis-Related Disorder, Substance-Related Disorders, Schizophrenia, Psychotic Disorders
- Trial name
- NCT00573287
- Testing
- clozapine, risperidone
- Where
- 5 sites in United States
- Volunteers
- 14 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
Schizophrenia, Dual Diagnosis
Cannabis, Schizophrenia and Reward: Self-Medication and Agonist Treatment?
In this translational research proposal, based on our formulation, we seek to confirm and expand upon data obtained in our pilot study suggesting that cannabis and the cannabinoid agonist dronabinol, given in low dose to patients…
- Conditions
- Schizophrenia, Dual Diagnosis, Psychotic Disorder, Cannabis Use Disorder
- Trial name
- NCT01964404
- Testing
- Marijuana, Dronabinol
- Where
- 2 sites in United States
- Volunteers
- 263 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center
Chronic Pain, Chronic Low Back Pain
Pain Research: Innovative Strategies With Marijuana
This study tests the effects of cannabinoid levels in blood on pain relief, inflammation, and cognitive dysfunction in chronic pain patients who choose to use edible cannabis.
- Conditions
- Chronic Pain, Chronic Low Back Pain, Cannabis Use
- Trial name
- PRISM (NCT03522324)
- Testing
- Cannabis Edible
- Where
- United States
- Volunteers
- 268 people
- Sponsor
- University of Colorado, Boulder
Insomnia Chronic, Cannabis Use
Reducing Cannabis Use for Sleep Among Adults Using Medical Cannabis
As medical cannabis use becomes more common in the United States, it is essential to understand the ways in which adults who use medical cannabis perceive the benefits of cannabis use and to identify effective strategies to help…
- Trial name
- CannSleep (NCT03964974)
- Testing
- Cognitive Behavioral Therapy for Insomnia in Cannabis Users (CBTi-CB), Sleep Hygiene Education (SHE)
- Where
- 2 sites in United States
- Volunteers
- 57 people
- Sponsor
- University of Michigan