Clinical Trials on Marijuana Abuse

Total 1676 results

Centre for Addiction and Mental Health

Terminated

rTMS Treatment for Cannabis Use Disorders in Psychosis

Psychosis | Cannabis Use Disorder

Canada
University Hospital, Clermont-Ferrand

Not yet recruiting

Validation of the Cannabis Abuse Screening Test in General Practice(GP-CAST) (GP-CAST)

Substance-Related Disorders | Cannabis | Addictive Behavior | General Practice | Primary Care | Questionnaires

France
Brown University
National Institute on Alcohol Abuse and Alcoholism (NIAAA)

Recruiting

Cannabis' Impact on Alcohol Consumption

Alcohol Drinking | Cannabis | Alcohol Use Disorder | Cannabis Use

United States
National Institute on Drug Abuse (NIDA)
University of Maryland

Completed

Risk Perception in Drug-Dependent Adults With and Without Schizophrenia

Schizophrenia | Cannabis Dependence | Cocaine Dependence

United States
Jamie Burr

Active, not recruiting

Cannabis Inhalation: Effects on Cardiovascular Function During Rest and Exercise

Cannabis | Cardiovascular Risk Factor

Canada
Johns Hopkins University
National Institute on Drug Abuse (NIDA)

Not yet recruiting

Examining the Role of Tolerance on Dose-dependent Effects of Acute THC on Oculomotor and Cognitive Performance

Cognitive Impairment | Cannabis Use | Impaired Driving

United States
Centre for Addiction and Mental Health

Completed

Effects of Cannabis Abstinence on Symptoms and Cognition in Depression

Major Depressive Disorder | Cognition | Cannabis Use Disorder

Canada
Gary R Gaffney
National Institute on Drug Abuse (NIDA); National Highway Traffic Safety Administration...

Completed

Effects of Inhaled Cannabis on Driving Performance

Alcohol Drinking | Cannabis

United States
Ciusss de L'Est de l'Île de Montréal
Canadian Institutes of Health Research (CIHR)

Recruiting

RCT Comparing Avatar Intervention to Supportive Intervention to Reduce Cannabis Use in Patients With Psychotic Disorders (AC2)

Psychotic Disorders | Mental Health Disorder | Cannabis Use Disorder

Canada
Centre for Addiction and Mental Health

Recruiting

Extended Effects of Cannabis Abstinence on Clinical Symptoms and Cognition in Depression

Cognitive Impairment | Major Depressive Disorder | Cannabis Use

Canada
Ciusss de L'Est de l'Île de Montréal

Active, not recruiting

Avatar Intervention for the Treatment of Cannabis Use Disorder in Patients With Severe Mental Health Disorders (Avatar-CUD)

Psychotic Disorders | Mental Health Disorder | Cannabis Use Disorder

Canada
Dartmouth-Hitchcock Medical Center
National Institute of Mental Health (NIMH)

Completed

First Episode Schizophrenia and Cannabis-Related Disorder Study

Substance-Related Disorders | Psychotic Disorders | Schizophrenia | Cannabis-Related Disorder

United States
University of Maryland, Baltimore
University of California, Los Angeles; Sheppard Pratt Health System

Withdrawn

Effects of Cannabidiol on Psychiatric Symptoms, Cognition, and Cannabis Consumption in Cannabis Users With Recent-Onset Psychosis

Cannabis Use | Schizophrenia Spectrum Disorders

United States
Medical University of South Carolina
National Institute on Drug Abuse (NIDA)

Completed

Gabapentin for Bipolar & Cannabis Use Disorders

Substance Use Disorders | Bipolar I Disorder | Cannabis Use Disorder | Bipolar II Disorder

United States
Eli Lilly and Company

Terminated

Pilot Evaluation of Atomoxetine on Attention Deficit Hyperactivity Disorder (ADHD) Symptoms in Adolescents With Cannabis abusE (PEACE)

Attention Deficit Hyperactivity Disorder | Cannabis Abuse

Netherlands
Medical University of South Carolina
National Institute on Drug Abuse (NIDA)

Recruiting

Gender/Sex & CUD Remission

Cannabis Use Disorder, Mild | Cannabis Use Disorder, Moderate | Cannabis Use Disorder, Severe

United States
University of California, San Diego

Withdrawn

Effects of Cannabis/Alcohol on Driving Performance and Field Sobriety Tests

Alcohol Intoxication | Driving Under the Influence | Driving Impaired | Cannabis Intoxication
Aurora Cannabis Inc
Hamilton Health Sciences Corporation; Ontario Clinical Oncology Group (OCOG)

Unknown

Cannabis Oil for Pain Effectiveness (COPE)

Cancer | Chronic Pain

Canada
New York State Psychiatric Institute
National Institute on Drug Abuse (NIDA)

Completed

Divalproex Sodium (Depakote) for Explosive Tempers in Adolescents and Adults

Marijuana Abuse | Attention Deficit and Disruptive Behavior Disorders

United States
Center for Medicinal Cannabis Research

Completed

Analgesic Efficacy of Smoked Cannabis

Pain | Hyperalgesia

United States
New York State Psychiatric Institute
Alkermes, Inc.

Suspended

Repeated Cannabis Administration on Experimental Pain and Abuse Liability

Pain | Cannabis | Hyperalgesia | Tolerance

United States
New York State Psychiatric Institute
National Institute on Drug Abuse (NIDA)

Suspended

Impact of Repeatedly-Administered THC-cannabis on Experimental Pain and Abuse Liability in Humans

Pain | Cannabis | Hyperalgesia | Tolerance

United States
Medical University of South Carolina
National Institute on Drug Abuse (NIDA)

Recruiting

CARS: Cannabis and Alcohol Reduction Study (CARS)

Substance Use | Substance Use Disorders | Cannabis Use | Alcohol Use, Unspecified

United States
Centre for Addiction and Mental Health

Completed

Effects of Repetitive Transcranial Magnetic Stimulation (rTMS) on Cannabis Use and Cognitive Outcomes in Schizophrenia (rTMSCANSZ)

Schizophrenia | Cognition | Cannabis Use Disorder | Repetitive Transcranial Magnetic Stimulation (rTMS)

Canada
UConn Health
National Institute on Drug Abuse (NIDA)

Completed

Adaptive Treatment for Adolescent Cannabis Use Disorders

Mental Disorders | Cannabis Use Disorder | Addictive Behaviors

United States
Washington University School of Medicine
Temple University

Recruiting

Cannabis, HIV and Mental Processing Systems (CHAMPS)

HIV Infections | Cannabis

United States
The Scripps Research Institute
National Institute on Drug Abuse (NIDA)

Completed

Pharmacological Treatment of Comorbid Alcohol and Marijuana Withdrawal and Dependence

Alcohol Dependence | Cannabis Dependence | Alcohol Use Disorder | Cannabis Use Disorder

United States
Assistance Publique - Hôpitaux de Paris

Completed

Study of the Relationship Between Dose-concentration-effect of Delta-9-tetrahydrocannabinol (THC) and the Ability to Drive in Chronic or Occasional Cannabis Users (VIGICANN)

Occasional (1-2 Joints Per Week) and Chronic (1-2 Joints Per Day) Cannabis Users

France
Poitiers University Hospital

Recruiting

Cannabinoides Concentrations and Hyperemesis Syndrom Occurrence in Regular Cannabis Consumer (CANEMESE)

Chronic Consumption of Cannabis

France
Hadassah Medical Organization

Completed

The Effect of Cannabis on Pain and Related Quality Of Life Outcomes In Chronic Pain: A Prospective Open-Label Study

Chronic Pain

Israel
Centre for Addiction and Mental Health
Canadian Institutes of Health Research (CIHR); Health Canada

Completed

Cannabis Effects on Driving-related Skills of Young Drivers

Psychomotor Impairment

Canada
Hadassah Medical Organization

Unknown

The Pharmaco-genetic and Brain Mechanisms Associated With Cannabis- Induced Psychosis

Cannabis Dependence | Psychosis

Israel
Hadassah Medical Organization

Unknown

Effect of Cannabis Extract on Acute Radicular Pain and on Analgesic Requirement

Cannabis | Acute Radicular Back Pain

Israel
VA Office of Research and Development

Terminated

CBT-I for Cannabis Use (CBT-I-CU)

Sleep Initiation and Maintenance Disorders | Marijuana Abuse

United States
University of California, San Diego
National Institute on Drug Abuse (NIDA)

Recruiting

Cannabis Use, Cognition, and the Endocannabinoid System in HIV

HIV-1-infection

United States
The University of Hong Kong
Queen Mary Hospital, Hong Kong

Completed

Substance Misuse To Psychiatric Disorders for Cannabis

Depression | Anxiety Disorders | Anxiety State | Cannabis Use Disorder | Pharmacotherapy | Depressive State

Hong Kong
New York State Psychiatric Institute

Terminated

Eye Tracking as a Biomarker of Cannabis Effects

Pain, Acute | Cannabis Use

United States
PredictWatch

Recruiting

Mobile Health for Problematic Behaviors and Substance Use

Addiction | Cannabis Dependence | Nicotine Dependence | Nicotine Addiction | Behavioral Addiction

Poland
Dartmouth-Hitchcock Medical Center
Harvard Medical School (HMS and HSDM); National Institute on Drug Abuse (NIDA) and other collaborators

Completed

Cannabis, Schizophrenia and Reward: Self-Medication and Agonist Treatment?

Schizophrenia | Dual Diagnosis | Psychotic Disorder | Cannabis Use Disorder

United States
University of Cincinnati
National Institute on Drug Abuse (NIDA)

Completed

Efficacy Study of Quetiapine Plus Topiramate for Reducing Cannabis Consumption and Bipolar Mania

Bipolar Disorder | Cannabis-Related Disorder

United States
CHU de Quebec-Universite Laval
McGill University; Université de Sherbrooke

Recruiting

Medical Cannabis Against Chronic Musculoskeletal Pain: a Mixed Methods Study.

Musculoskeletal Pain | Cannabis Use

Canada
VA Office of Research and Development

Recruiting

Functional Outcomes of Cannabis Use (FOCUS) in Veterans With Posttraumatic Stress Disorder (FOCUS)

PTSD | Cannabis-Related Disorder

United States
Dartmouth-Hitchcock Medical Center
National Institute on Drug Abuse (NIDA); Columbia University; University of Vermont and other collaborators

Completed

Cannabis and Schizophrenia: Self-Medication and Agonist Treatment

Schizophrenia | Schizoaffective Disorder | Dual Diagnosis | Psychotic Disorder | Cannabis Use Disorder

United States
University of Michigan
National Institute on Drug Abuse (NIDA)

Recruiting

Targeting Insomnia to Improve Outcomes in Adults With Problematic Cannabis Use

Insomnia

United States
University of California, San Francisco
Tobacco Related Disease Research Program

Recruiting

THC Crossover Study (TRDRP)

Tobacco Use | Cannabis | Cardiovascular Risk Factor | Nicotine Dependence | Cigarette Smoking | THC | Nicotine Withdrawal | Cannabis Smoking | Cannabis Use, Unspecified

United States
New York State Psychiatric Institute
National Institute on Drug Abuse (NIDA)

Terminated

Nabilone in Cannabis Users With PTSD

Cannabis | Post Traumatic Stress Disorder

United States
Hunter Holmes Mcguire Veteran Affairs Medical Center
VA Mental Illness Research, Education and Clinical Centers

Completed

Neurobehavioral Measurement of Substance Users in Outpatient Treatment Setting

Cannabis Dependence | Opioid-use Disorder | Cocaine Use Disorder | Cocaine Dependence | Opiate Dependence

United States
Wolfson Medical Center

Withdrawn

Effectiveness of Cannabis in the Treatment of Tinnitus Patients

Tinnitus

Israel
Albert Einstein College of Medicine
National Institute on Drug Abuse (NIDA)

Recruiting

The Neural Underpinnings of Depression and Cannabis Use in Young People Living With HIV

Depression | Hiv | Cannabis Use Disorder

United States
Centre for Addiction and Mental Health

Recruiting

Effect of Extended Cannabis Abstinence on PTSD Symptoms (CANPOST)

PTSD | Cannabis Use | Cognitive Symptom | Comorbidities and Coexisting Conditions

Canada

Clinical Trials on Marijuana Abuse

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