Clinical trials: Cannabis Abuse
Cannabis, Psychotic Disorders
Cannabinoids, Learning, and Memory
The overarching goal of this study is to characterize the effects of cannabinoids on working and episodic memory.
- Trial name
- THC-Memory (NCT02407808)
- Testing
- THC
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Yale University
Pain, Insomnia
Effect of Medical Marijuana on Neurocognition and Escalation of Use
This study will use a randomized controlled design to test whether patients who use medical marijuana, compared to a waitlist control group, experience a change in health outcomes (relief of symptoms, or adverse health outcomes…
- Conditions
- Pain, Insomnia, Depression, Anxiety
- Trial name
- MMNE (NCT03224468)
- Testing
- Medical Marijuana
- Where
- United States
- Volunteers
- 269 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
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
Alcohol Use Disorder, Cannabis Use
Alcohol and Cannabis Concentrates Co-Administration
The goal of this study is to learn about the effects of combining alcohol with cannabis concentrate products which contain high levels of THC.
- Trial name
- NCT05999344
- Testing
- commercially available cannabis administered prior to commercially available alcohol, commercially available alcohol administered prior to commercially available cannabis
- Where
- United States
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Cannabis Use, Tobacco Use
Effect of Cannabis on Cigarette Use Behavior
The purpose of this study is to determine the impact of tetrahydrocannabinol (THC) administration on motivational, subjective, and physiological effects of cigarettes.
- Conditions
- Cannabis Use, Tobacco Use, Cigarette Smoking
- Trial name
- NCT06609083
- Testing
- THC 30mg, THC 5mg, THC 0mg
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Marijuana Dependence
Effect of Lofexidine and Oral THC on Marijuana Withdrawal and Relapse
The purpose of this study is to investigate the interaction between marijuana and two potential treatment medications: lofexidine and oral THC, with the direct goal of using this information to improve marijuana treatment outcome.
- Trial name
- NCT00373503
- Testing
- Lofexidine, dronabinol, Marijuana
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Inflammation, Inflammatory Response
Cannabis Observational Study on Mood, Inflammation, and Cognition
This project examines the effects of cannabis on cognition and other domains of function and whether those effects are dependent upon the ratio of THC to CBD in the product.
- Conditions
- Inflammation, Inflammatory Response, Mood, Cognitive Change
- Trial name
- COSMIC (NCT03522103)
- Where
- United States
- Volunteers
- 421 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Cannabis
Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study II
The purpose of the study is to characterize the acute effects of cannabinoids in women relative to men and to begin probing the mechanisms that may underlie gender differences.
- Trial name
- THC-Gender-II (NCT04704271)
- Testing
- Inhaled THC
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Yale University
Cannabis, Drug Effects, Driving Performance
Clinical Study to Evaluate the Effects of Oral Delta-9-tetrahydrocannabinol (Δ9-THC) With and Without Alcohol on Perception and Driving Performance in Healthy Adults
With the increasing prevalence and use of cannabis products by the public, there exists a need to better understand the safety impact of cannabis use, particularly when it comes to subjective perceptions of drug effect and…
- Trial name
- NCT07176208
- Testing
- 5 mg Dronabinol (Marinol®) + Alcohol Beverage, 10 mg Dronabinol (Marinol®) + Alcohol Beverage
- Where
- 2 sites in United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Food and Drug Administration (FDA)
Evaluation of Abuse Potential of Sativex
Abuse Potential of Sativex
This crossover study with six treatment sessions is to evaluate the abuse potential of three doses of Sativex as compared to Marinol and placebo, in subjects with a history of recreational marijuana use.
- Trial name
- NCT01323569
- Testing
- Sativex, Marinol
- Where
- Canada
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Jazz Pharmaceuticals
Autistic Disorder
A Trial to Assess the Efficacy and Safety of Medical Grade Cannabis in Children Diagnosed With Autism Spectrum Disorder
This single center, double-blinded, randomized, placebo-controlled crossover trial will assess the efficacy and safety of extraction of cannabis flowers dissolved in olive oil (30% CBD and 1.5% Δ9-THC) vs.
- Trial name
- NCT05413187
- Testing
- Medical Grade Cannabis oil
- Where
- Israel
- Volunteers
- healthy volunteers welcome
- Sponsor
- TO Pharmaceuticals
Marijuana Usage, Alcohol Drinking
Neuroscience of Alcohol and Marijuana Impaired Driving
Alcohol is one of the most widely used intoxicants. The effects of driving while intoxicated are well documented, leading to the laws and regulations behind drunk driving.
- Trial name
- NCT03431987
- Testing
- One day with a dose of active THC cannabis paired with alcohol
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Hartford Hospital
Cannabis Use, Tobacco Use
Effect of Cannabis on E-Cigarette Use Behavior
The purpose of this study is to determine the impact of tetrahydrocannabinol (THC) administration on motivational, subjective, and physiological effects of electronic cigarettes.
- Conditions
- Cannabis Use, Tobacco Use, Electronic Cigarette Use
- Trial name
- NCT06609109
- Testing
- THC High Dose, THC Low Dose, THC 0mg
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Pregnancy Related, Substance Use
The Impact of Opioid and Cannabis Exposure on Fetal Growth
Individually, both opioid and cannabis exposure during pregnancy are associated with changes in fetal growth. The extent to which opioid and cannabis exposure affect fetal growth is unknown.
- Conditions
- Pregnancy Related, Substance Use, Fetal Growth Retardation, Placenta Diseases
- Trial name
- IMPACT (NCT05899101)
- Where
- 5 sites in Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Dr. Laura Gaudet
Cannabis
A Study of Inhaled Cannabidiol in Healthy Occasional Cannabis Users
The purposes of this study are 1) to determine if the administration of different low doses of CBD (5 mg, 20 mg, 50 mg and 100 mg) result in detectable subjective pleasant drug effect compared to placebo and 2) to qualitatively…
- Trial name
- NCT05320367
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Alcohol Drinking, Cannabis
Effects of Inhaled Cannabis on Driving Performance
The purpose of this study is to expand understanding of the effects of cannabis on driving performance with and without the presence of low levels of alcohol.
- Trial name
- NCT01620177
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Gary R Gaffney
Food Effect
Study to Assess Food Effect on Sativex Bioavailability
Study to assess effect of food on the bioavailability of a single dose of Sativex and to measure its' pharmacokinetics after a single and multiple doses.
- Trial name
- NCT01322464
- Testing
- Sativex
- Where
- United Kingdom
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Jazz Pharmaceuticals
THC, Cannabis
Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration
This is a crossover, randomized, double-blinded clinical pharmacology study enrolling dual cannabis-tobacco smokers to better understand the combined effects of co-administering cannabis and tobacco.
- Conditions
- THC, Cannabis, Cannabis Use, Cannabis Smoking
- Trial name
- CANNIC (NCT05999383)
- Testing
- Cannabis, Nicotine, Pax Loose Leaf Vaporizer
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Cannabinoid Hyperemesis Syndrome
Haloperidol For Outpatient Symptom Management in Patients Diagnosed With Cannabinoid Hyperemesis Syndrome in the Emergrency Department
Patients diagnosed with cannabinoid hyperemesis syndrome that are safe for discharge from the emergency department will be sent an outpatient prescription for haloperidol to be used as needed at home.
- Trial name
- NCT07726069
- Testing
- Haloperidol
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Illinois Chicago
Cannabis Use
Investigating Cannabis Use Parameters on Anesthesia and Inflammation in Lumbar Spinal Surgeries
Cannabis is the most commonly used illicit drug in the United States with reported rates of use increasing from approximately 50 million in 2020 to 61.8 million in 2023 among individuals aged 12 or older.
- Trial name
- NCT07354412
- Where
- 2 sites in United States
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia