Clinical trials: Cannabis Abuse
Marijuana Dependence
Pregnenolone and Marijuana Dependence
The cannabinoid delta 9-tetrahydrocannabinol (THC) is the primary psychoactive component of marijuana. THC is believed to be a significant factor in the addictive potential associated with marijuana use.
- Trial name
- NCT02439814
- Testing
- Pregnenolone
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Medical University of South Carolina
Opioid Use Disorder
Reducing Pain and Opioid Use With CBD
This is a double-blind, placebo-controlled, parallel group study designed to assess the tolerability and efficacy of fsCBD and bsCBD, compared to a placebo control, to reduce opioid use, anxiety, and pain and improve sleep and…
- Trial name
- NCT05299944
- Testing
- Cannabidiol
- Where
- 2 sites in United States
- Volunteers
- 126 people
- Sponsor
- University of Colorado, Denver
Cannabis Intoxication
Effects of Cannabidiol (CBD) on a Fixed Dose of Delta-9-tetrahydrocannabinol (THC)
This study will evaluate the subjective and behavioral effects of cannabis products containing delta-9-tetrahydrocannabinol and cannabidiol
- Trial name
- NCT07870187
- Testing
- 0mg THC + 0mg CBD Brownie, 10mg THC + 0mg CBD Brownie, 10mg THC + 10mg CBD Brownie
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Driving Under the Influence, Marijuana Intoxication
Cannabis Impairment Detection Application (CIDA)
Subjects will participate in a 4-visit study protocol in which they will be asked to complete a set of computerized tasks and a 45-minute simulated drive in a driving simulator.
- Conditions
- Driving Under the Influence, Marijuana Intoxication, Alcohol Intoxication
- Trial name
- CIDA (NCT04230460)
- Testing
- Cannabis (High% THC) (Inhaled), Cannabis (Very High% THC) (Inhaled), Alcohol (oral)
- Where
- United States
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Advanced Brain Monitoring, Inc.
Psoriatic Arthritis, Hand Osteoarthritis
CBD Treatment in Hand Osteoarthritis and Psoriatic Arthritis.
A randomized, placebo-controlled trial with blinded outcome assessments will be conducted to evaluate the efficacy and safety of CBD in patients with Hand-OA and PsA during a 12-week treatment period.
- Trial name
- NordCAN (NCT03693833)
- Testing
- Cannabidiol
- Where
- Denmark
- Volunteers
- 136 people
- Sponsor
- Aalborg University Hospital
Healthy
Testing the Interactive Effects of Delta-9-Tetrahydrocannabinol and Pregnenolone: Sub-Study I
The overall purpose of this study is to examine the effect of Pregnenolone (PREG) on the acute psychosis-like and cognitive effects of Delta-9-Tetrahydrocannabinol (THC).
- Trial name
- THC-PREG-I (NCT02811939)
- Testing
- Active Dronabinol, Active Pregnenolone
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Yale University
Fibromyalgia, Cannabis
Phase II Clinical Trial, Use of KL16-012 in Women With Fibromyalgia Refractary to Conventional Treatment.
A double blind randomized placebo controlled trial in 44 women with fibromyalgia and persistent symptoms in spite of use of conventional pharmacotherapy, will be performed in the city of Valparaiso.
- Trial name
- NCT04239469
- Testing
- KL16-012
- Volunteers
- 44 people
- Sponsor
- Knop Laboratorios
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
Healthy
N-acetylcysteine Effects on Tetrahydrocannabinol
The overall purpose of this study is to examine the effect of N-acetylcysteine (NAC) on the acute effects of Delta-9-tetrahydrocannabinol (THC).
- Trial name
- NCT02335060
- Testing
- Delta-9-THC, N-acetylcysteine
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Yale University
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
Cancer, Epilepsy
Real World Evidence on the Use of Medical Cannabis in Pediatrics
CAN-RWE is an observational study that is following 500 children who have authorizations for medical cannabis for two years from across Canada.
- Conditions
- Cancer, Epilepsy, Neurodevelopmental Disorders
- Trial name
- CAN-RWE (NCT05863910)
- Testing
- Medical Cannabis
- Where
- Canada
- Volunteers
- 500 people
- Sponsor
- University of Manitoba
Cannabis
Sex Hormones Impact on Cannabis Response
The goal of this study is to systematically determine whether the cannabis response in human females is related to SH fluctuations throughout the menstrual cycle.
- Trial name
- NCT07417059
- Testing
- Cannabis, Knaster Hemp
- Where
- Netherlands
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Maastricht University
Vaping, Adolescent
Nicotine and Cannabis Vape Labeling Experiment - Spring 2025
This study assesses how the ways in which nicotine and cannabis vaping devices are labeled impact use susceptibility, anticipated effects, and health harm.
- Conditions
- Vaping, Adolescent, Electronic Cigarette Use, Nicotine
- Trial name
- EPIC/ADVANCE (NCT06919276)
- Testing
- Vaping Device Labeling
- Where
- United States
- Volunteers
- 3,048 people, healthy volunteers welcome
- Sponsor
- University of Southern California
Pain, Hyperalgesia
Analgesic Efficacy of Smoked Cannabis
The purpose of this study is to determine whether or not inhaled marijuana displays any pain-relieving properties on experimentally-induced pain.
- Trial name
- NCT00241579
- Testing
- Smoked Cannabis
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Center for Medicinal Cannabis Research
Adolescent Problem Behavior, Truancy; Unsocialized
Substance Use Interventions for Truant Adolescents
This study evaluates a brief motivation-building intervention for parents and teens to reduce truancy and substance use. It is hypothesized that the motivational intervention will result in better outcomes compared to an…
- Conditions
- Adolescent Problem Behavior, Truancy; Unsocialized, Marijuana Abuse, Truancy; Socialized
- Trial name
- GOALS (NCT03655574)
- Testing
- Motivational + Family Check-up (MET+FCU), Psychoeducation
- Where
- 2 sites in United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Brown University
Healthy
The Effects of Cannabidiol and ∆-9-THC in Humans
Cannabis is the most commonly used illicit substance in the US and herbal cannabis consists of a number of cannabinoids including Δ-9 THC and CBD.
- Trial name
- NCT01180374
- Testing
- Cannabidiol, Delta-9-THC
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Yale University
Multiple Sclerosis
The Effects of Different Medical Marijuana Strains on Motor and Cognitive Function in People With Multiple Sclerosis
Over the last two years, the United States has witnessed enormous change concerning the acceptance of marijuana. The number of persons with MS (PwMS) using cannabis to treat their symptoms is expected to rise, and it is important…
- Trial name
- NCT03172741
- Testing
- Medical Marijuana
- Sponsor
- Colorado State University
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
Concussion, Mild
The Combined Effect of Chronic Cannabis Use and Subconcussive Head Impacts on Brain Health
The purpose of this pilot study is to better understand the effects of chronic cannabis (THC) use on the neural responses to subconcussive head impacts, as a form of repetitive soccer headings.
- Trial name
- NCT04641832
- Testing
- Soccer heading
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Indiana University
Substance Use Disorders, Addiction, Alcohol
Evaluating the Effectiveness of Mobile Self-guided Psychological Interventions to Reduce Relapse in Substance Use Disorder
The aim of the study is to evaluate the effectiveness of mobile interventions in reducing craving and lapses in patients diagnosed with Substance Use Disorder.
- Conditions
- Substance Use Disorders, Addiction, Alcohol, Addiction, Substance
- Trial name
- NCT05730504
- Testing
- Mobile app-based self-guided interventions
- Where
- Poland
- Volunteers
- 400 people
- Sponsor
- PredictWatch