Clinical trials: Marijuana
Cannabis Use Disorder, Mild, Cannabis Use Disorder, Moderate
Pilot Test of Parent-Focused Cannabis-Related Actions and Practices Intervention for Adolescent Marijuana Abuse
The randomized clinical trial involves the pilot-testing of a theory-guided, empirically based, and low-cost intervention designed for legal medical marijuana-using parents to enhance parenting behaviors that limit youth exposure…
- Trial name
- CAP (NCT04923230)
- Testing
- Cannabis Actions and Practices Resource for Parents
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Oregon Research Institute
Cannabis, Addictive Behavior
Validation of the Cannabis Abuse Screening Test in General Practice(GP-CAST)
In France, consumption levels of alcohol, tobacco and cannabis remain high despite changes in regulations aimed at limiting access to these products and repeated prevention campaigns.
- Conditions
- Cannabis, Addictive Behavior, General Practice, Primary Care
- Trial name
- GP-CAST (NCT05633043)
- Where
- 5 sites in France
- Volunteers
- 660 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
COPD, Insomnia
Colorado Marijuana Users Health Cohort
In Colorado, marijuana is currently used for both recreational and medicinal purposes.To learn more about the positive and negative long term medical effects of marijuana use.
- Conditions
- COPD, Insomnia, Cannabis
- Trial name
- NCT02735954
- Testing
- Marijuana
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- National Jewish Health
Cannabis Use Disorder, Cannabis Dependence
N-acetylcysteine for the Treatment of Cannabis Dependence: Working Mechanisms
This study investigates the effects of repeated NAC administration on glutamate concentrations in the anterior cingulate cortex (ACC), on neurocognitive functioning, and on neuro-inflammatory parameters in adult…
- Trial name
- NCT03221231
- Testing
- N-acetylcysteine, Magnetic Resonance Imaging, Neurocognitive measures
- Where
- Belgium
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Cigarette Smoking-Related Carcinoma
PK/PD of Vaping THC-containing Liquids vs. Smoked Cannabis
We will conduct a randomized, within-subjects clinical study to compare short-term pharmacokinetic (PK) and pharmacodynamic (PD) effects of Δ9-tetrahydrocannabinol (THC) vaping liquids vs.
- Trial name
- NCT06055231
- Testing
- Vape device, Joint, Marijuana via vape device
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Roswell Park Cancer Institute
Cannabis, Driving Under the Influence
Cannabis Edibles and Simulated Driving
The goal of this human laboratory experiment is to determine the acute and residual effects of a range of doses of orally administered cannabis edibles on driving simulator performance in people who use cannabis recreationally.
- Trial name
- NCT06595576
- Testing
- Cannabis - Low Dose (2 mg), Cannabis - Medium Dose (10 mg), Cannabis - High Dose (20 mg)
- Where
- Canada
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Centre for Addiction and Mental Health
Cannabis Dependence
Quetiapine Pharmacotherapy for Cannabis Dependence
Despite a benign public perception, marijuana use disorders represent a significant public health problem. The development of safe and effective pharmacotherapies for marijuana dependence is an important unmet public health need.
- Trial name
- QUEST (NCT01697709)
- Testing
- Quetiapine
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Cannabis Use
Aging and Marijuana: Benefits, Effects, and Risks
Investigators will gather data on both the beneficial and harmful effects of edible cannabis of varying composition (THC-only vs. CBD-only vs.
- Trial name
- AMBER (NCT05188404)
- Testing
- Choice of cannabis product
- Where
- United States
- Volunteers
- 326 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Boulder
Marijuana Abuse, Marijuana Dependence
Attempts to Stop/Reduce Marijuana Among Dependent Users
The purpose of the study is to determine why and how marijuana users stop or reduce their marijuana use.
- Trial name
- NCT01039415
- Where
- United States
- Volunteers
- 234 people, healthy volunteers welcome
- Sponsor
- University of Vermont
Healthy Volunteers
Vaporization as a Smokeless Cannabis Delivery System
A study to evaluate the use of a vaporization system as a smokeless delivery system for inhaled marijuana.
- Trial name
- NCT00241592
- Testing
- Cannabis
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Center for Medicinal Cannabis Research
Cannabis Abuse, Cannabis Dependence
Biobehavioral Effects of Topiramate on Cannabis-Related Outcomes in Adolescents
Cannabis use is a significant public health concern that disproportionately affect youth. Although promising psychosocial interventions are being developed, most youth do not benefit from these interventions alone.
- Trial name
- NCT01110434
- Testing
- Topiramate
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Brown University
Pain, Abuse, Drug
Effects of Cannabis on Prescription Drug Abuse Liability and Analgesia
The purpose of this research is to assess the impact of cannabis on the analgesic and abuse-liability effects of a sub-threshold dose of a commonly used analgesic.
- Trial name
- NCT03679949
- Testing
- Oxycodone, Cannabis (THC:CBD = ~ 1:0), Cannabis (THC:CBD = ~ 0:1)
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Healthy
Cannabis Cigarettes Used for Doping: Delta-9-Tetrahydrocannabinol (THC) Urine Detection
The purpose of this study on volunteers is whether THC and short-living metabolites are suited to detect recent Cannabis smoking within urine doping control.
- Trial name
- NCT00534716
- Where
- Switzerland
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Federal Office of Sports, Switzerland
Cannabis, Alcohol Effect
Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition
The overarching goal of this study is to characterize the effects of ethanol and cannabinoids on simulated driving and related cognition.
- Conditions
- Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
- Trial name
- THC-ETOH (NCT02404688)
- Testing
- Active delta-9-THC, Active Ethanol
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yale University
Cannabis Use
Smart Talk: Cannabis Awareness and Prevention Curriculum Evaluation
The Stanford REACH Lab's SMART TALK: Cannabis Awareness and Prevention Toolkit is a free, online educational resource to be used by educators to increase knowledge and awareness of cannabis and reduce use among youth.
- Trial name
- NCT07357454
- Testing
- Behavioral: Smart Talk Cannabis Awareness and Prevention
- Where
- United States
- Volunteers
- 10,800 people, healthy volunteers welcome
- Sponsor
- Stanford University
Cannabis Dependence
Neural Indices Associated With Relapse in Cannabis Dependence
The aim of this fMRI study is to investigate neural indices of relapse in cannabis dependence. The development and maintenance of drug addictions have been associated with deficits in cognitive control, craving and impaired…
- Trial name
- NCT02801422
- Testing
- fMRI
- Where
- Germany
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- University of Electronic Science and Technology of China
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
Cannabis Use, Impaired Driving
Examining the Role of Tolerance on Dose-dependent Effects of Acute THC on Oculomotor and Cognitive Performance
The purpose of this research is to determine the extent to which oculomotor function accurately detects THC-impairment, if cannabis use experience impacts this detection threshold, and to examine how the oculomotor index…
- Conditions
- Cannabis Use, Impaired Driving, Cognitive Impairment
- Trial name
- NCT06351540
- Testing
- Cannabis
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Marijuana, THC
THC Memory & Reward Learning Pilot
Tetrahydrocannabidiol (THC) is the psychoactive chemical in cannabis that makes people high. This study aims to dissect acute impairment of various forms of memory and learning by THC in cannabis compared to placebo.
- Conditions
- Marijuana, THC, Cannabis
- Trial name
- NCT05116527
- Testing
- Marijuana, Hash, THC, or Grass
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hartford Hospital
Field Cancerization for Cannabis Smokers
Effect of Cannabis and Cigarette Smoking on Oral Mucosa
The aim of this study is to detect P53 expression in clinically normal oral mucosa of cigarette smokers, simultaneous cigarette and cannabis smokers and non-smokers as a surrogate marker for field cancerization.
- Trial name
- NCT03334279
- Testing
- Cigarette smokers, Simultaneous cigarette and cannabis smokers
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University