Clinical trials: Marijuana
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
Rheumatoid Arthritis, Psoriatic Arthritis
Impact of Cannabis on Pain and Inflammation Among Patients With Rheumatoid or Psoriatic Arthritis
This laboratory study will investigate the impact of cannabis on pain, affect, and inflammation among patients with rheumatoid or psoriatic arthritis (n = 76).
- Trial name
- NCT04269993
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Brown University
Cannabis Dependence
Treatment for Cannabis Withdrawal and Dependence
Cannabis is the most widely used illicit drug in the United States, and worldwide, with 1 in 10 users estimated to meet diagnostic criteria for cannabis dependence.
- Trial name
- NCT01611948
- Testing
- Aprepitant, Manual-guided behavioral counseling
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- The Scripps Research Institute
Bipolar I Disorder, Bipolar II Disorder
Gabapentin for Bipolar & Cannabis Use Disorders
The proposed 2-week, double-blind, crossover, proof of concept study aims to measure and manipulate core neurochemical (i.e., dysregulated brain GABA/glutamate homeostasis) and neurobehavioral (i.e., elevated impulsivity)…
- Conditions
- Bipolar I Disorder, Bipolar II Disorder, Cannabis Use Disorder, Substance Use Disorders
- Trial name
- NCT03334721
- Testing
- Gabapentin
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- Medical University of South Carolina
Anxiety, Anxiety Disorders
Anxiety, Inflammation, Stress, and Cannabinoids
This study investigates whether the anxiolytic effects and anti-inflammatory properties of cannabis vary as a function of the ratio of CBD to THC, with the goal that these effects may shed light on the mixed data linking cannabis…
- Conditions
- Anxiety, Anxiety Disorders, Anxiety Generalized, Anxiety Chronic
- Trial name
- NCT03491384
- Testing
- Cannabis (smoked flower, ingested edible)
- Where
- United States
- Volunteers
- 361 people
- Sponsor
- University of Colorado, Boulder
Marijuana Abuse
Effects of Citicoline on Brain Function and Behavior in Marijuana-Dependent Individuals
The Three Aims of this study are (only studies for Aim 1 were completed) 1. Measure the impact of citicoline on marihuana use patterns in subjects' individualized natural settings and responses to marihuana challenge using…
- Trial name
- NCT00158249
- Testing
- citicoline
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
Multiple Sclerosis
A Study to Evaluate the Efficacy of Sativex in Relieving Symptoms of Spasticity Due to Multiple Sclerosis
The purpose of this study was to assess the efficacy of Sativex in relieving symptoms of spasticity in multiple sclerosis
- Trial name
- NCT01599234
- Testing
- Sativex
- Where
- United Kingdom
- Volunteers
- 337 people
- Sponsor
- Jazz Pharmaceuticals
Cannabis Use Disorder
A Preliminary Investigation of Pre-Frontal Repetitive Transcranial Magnetic Stimulation (rTMS) for the Treatment of Cannabis Use Disorder
This investigation will preliminarily determine if a course of high-frequency rTMS applied to the left dorsolateral prefrontal cortex, will reduce behavioral craving, and fMRI cue-reactivity in treatment-seeking cannabis use…
- Trial name
- NCT03144232
- Testing
- Active rTMS
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- Stanford University
Cannabis Use
A Trial of Guanfacine-er for Cannabis Use Disorder
The primary purpose of this study is to investigate the effect of guanfacine-ER on reductions in cannabis use and explore its effects on impulsivity and withdrawal through a hybrid in-person and virtual trial of treatment-seeking…
- Trial name
- NCT05273567
- Testing
- guanfacine-ER
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- New York State Psychiatric Institute
Cannabis Dependence
Sativex and Behavioral-relapse Prevention Strategy in Cannabis Dependence
The purpose of this study is assess Sativex as a treatment for Cannabis dependence. Initially a pilot study will be conducted in five subjects seeking treatment for cannabis dependence to ensure that our planned self-titration…
- Trial name
- NCT01747850
- Testing
- Motivational Enhancement/Cognitive Behavioral Therapy, Sativex
- Where
- Canada
- Volunteers
- 45 people
- Sponsor
- Centre for Addiction and Mental Health
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
Cannabis Dependence
An Open-Label Trial of N-Acetylcysteine in Cannabis Dependent Adolescents
The purpose of this pilot study is to determine the feasibility of conducting a trial of N-Acetylcysteine in cannabis dependent adolescents.
- Trial name
- NAC MJ Pilot (NCT00542750)
- Testing
- N-Acetylcysteine
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Medical University of South Carolina
Essential Tremor
Trial of Cannabis for Essential Tremor
This is a pilot trial to evaluate the safety and efficacy of a combined oral formulation of THC and CBD in patients with Essential Tremor.
- Trial name
- NCT03805750
- Testing
- CBD/THC
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- University of California, San Diego
Schizophrenia
The Effects of Cannabis Use in People With Schizophrenia on Clinical, Neuropsychological and Physiological Phenotypes
Approximately 25% of people with schizophrenia abuse marijuana. These people may be using marijuana to self-medicate symptoms such as hallucinations (hearing or seeing things that are not heard or seen by others) or delusions…
- Trial name
- NCT01832766
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- University of Colorado, Denver
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 Use
Impact of Progesterone on Stress Reactivity and Cannabis Use
This is a research study to find out if a hormone called progesterone affects marijuana users' stress response and marijuana use.
- Trial name
- NCT03729869
- Testing
- Progesterone
- Where
- United States
- Volunteers
- 148 people
- Sponsor
- Medical University of South Carolina
Marijuana Dependence
Buspirone Treatment for Marijuana Dependence
Marijuana is the most commonly used illicit drug, yet few clinical trials have evaluated pharmacotherapy treatments for marijuana dependence.
- Trial name
- NCT00875836
- Testing
- Buspirone
- Where
- United States
- Volunteers
- 175 people
- Sponsor
- Medical University of South Carolina
Neuropathic Pain, Reflex Sympathetic Dystrophy
Effects of Vaporized Marijuana on Neuropathic Pain
This study theorized that a low dose of vaporized cannabis could alleviate nerve injury pain.
- Conditions
- Neuropathic Pain, Reflex Sympathetic Dystrophy, Peripheral Neuropathy, Post-herpetic Neuralgia
- Trial name
- NCT01037088
- Testing
- Mild dose cannabis, Low dose cannabis, Cannabis
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- University of California, Davis
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
Cannabis Dependence
Open-Label Pilot Study of Guanfacine-Extended Release for the Treatment of Cannabis Dependence
The purpose of this study is to determine whether guanfacine represents a tolerable, potentially effective pharmacotherapy option for cannabis dependence.
- Trial name
- GUAN (NCT01467999)
- Testing
- Guanfacine
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- New York State Psychiatric Institute