Clinical trials: Cannabis Use
Substance Use, Binge Drinking
Substance Use Screening to Encourage Behavior Change Among Young People in Primary Care
This study evaluates whether completing a short screening questionnaire about health behaviours in the waiting room before a primary care consultation decreases excessive substance use in young people aged 14 to 24 years.
- Conditions
- Substance Use, Binge Drinking, Cannabis Use, Adolescent Behavior
- Trial name
- YP-HEALTH (NCT04146714)
- Testing
- Substance use questionnaire, Physical activity questionnaire
- Where
- Switzerland
- Volunteers
- 840 people, healthy volunteers welcome
- Sponsor
- Prof. Dagmar M. Haller
Cannabis Use
A Hybrid Effectiveness-Implementation Trial of a School-Based Teen Marijuana Checkup
A hybrid effectiveness-implementation trial that is designed to assess the effectiveness of an intervention (The Teen Marijuana Check-Up) when delivered in real world settings.
- Trial name
- TMCU5 (NCT03111667)
- Testing
- Teen Marijuana Check Up, Treatment as Usual, Gold Standard Coaching
- Where
- United States
- Volunteers
- 264 people, healthy volunteers welcome
- Sponsor
- University of Washington
Substance-Related Disorders, Alcohol-Related Disorders
Computer-delivered Psychosocial Intervention for Adolescent Substance Use Disorders
The purpose of this study is to develop and evaluate the acceptability and preliminary efficacy of a web-based, skills training program for adolescents with substance use disorders.
- Conditions
- Substance-Related Disorders, Alcohol-Related Disorders, Marijuana Abuse
- Trial name
- NCT00957775
- Testing
- Usual care, Computer-delivered ACRA
- Where
- United States
- Volunteers
- 84 people
- Sponsor
- National Development and Research Institutes, Inc.
Eating Disorders, Cannabis Use
A Brief Cannabis Use Psychoeducation Intervention for Eating Disorder Patients
The goal of this clinical trial is to learn if providing eating disorder patients with education about the consequences of cannabis (marijuana) use on mental health, gastrointestinal symptoms, eating disorder symptoms, and eating…
- Trial name
- NCT07387965
- Testing
- Psychoeducation about risks of cannabis use
- Where
- Canada
- Volunteers
- 80 people
- Sponsor
- St. Joseph's Healthcare Hamilton
Cannabis Use Disorder
Determining the Effect of Six Weeks of Cannabis Abstinence on Fronto- Striatal fMRI Markers in Adolescents With Cannabis Use Disorder (ABSCAN)
The goal of this study is to understand the changes in neural correlates of reward in adolescents with and without Cannabis Use Disorder (CUD).
- Trial name
- NCT06124846
- Testing
- CB-Abst, CB-Mon
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
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-Related Disorder, Substance-Related Disorders
First Episode Schizophrenia and Cannabis-Related Disorder Study
Many individuals with schizophrenia abuse cannabis at the onset of their illness, portending a poorer course of illness and poorer treatment response.
- Conditions
- Cannabis-Related Disorder, Substance-Related Disorders, Schizophrenia, Psychotic Disorders
- Trial name
- NCT00573287
- Testing
- clozapine, risperidone
- Where
- 5 sites in United States
- Volunteers
- 14 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
Cannabis
Internet-Based Treatment for Individuals With Regular Cannabis Use: A Randomized Controlled Trial
The aim of this randomized controlled trial is to investigate the effects of a Swedish Internet-based treatment program for individuals from the general population with a regular cannabis use.
- Trial name
- NCT02408640
- Testing
- Cannabishjalpen.se
- Where
- Sweden
- Volunteers
- 303 people
- Sponsor
- Karolinska Institutet
Marijuana
Helping Eliminate Marijuana Use Through Pediatric Practice
This study adapts the Public Health Service (PHS) 5As model for use with adolescent marijuana users and pilot the intervention to test feasibility and acceptability in pediatric primary care settings.
- Trial name
- HEMPP (NCT02744118)
- Testing
- 5A's Model, Healthy Internet Use Model
- Where
- United States
- Volunteers
- 620 people, healthy volunteers welcome
- Sponsor
- American Academy of Pediatrics
Psychotic Disorders, Cannabis Use Disorder
Investigating the Neural Correlates of Cognitive Function in Psychosis Patients and Non-Psychiatric Controls With Cannabis Use
Cognitive impairment is well established in people with psychosis and is associated with cannabis use. The current study will investigate the neurobiological basis of cognitive change associated with 28-days of cannabis…
- Conditions
- Psychotic Disorders, Cannabis Use Disorder, Cannabis Dependence, Cannabis Use
- Trial name
- NCT05445180
- Testing
- Contingency management
- Where
- Canada
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- Douglas Mental Health University Institute
Cannabis Use, Alcohol Use, Unspecified
CARS: Cannabis and Alcohol Reduction Study
The study will test a computerized treatment with subjects ages 13-17 years who are seeking treatment for alcohol and/or cannabis use. Follow-up assessments will be conducted at one- and three-months following treatment.
- Conditions
- Cannabis Use, Alcohol Use, Unspecified, Substance Use, Substance Use Disorders
- Trial name
- CARS (NCT05486234)
- Testing
- modified Approach-Avoidance Task (mAAT), which aims to modify automatic approach bias, modified Approach-Avoidance Task (mAAT) that does not aim to modify automatic approach bias.
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- Medical University of South Carolina
Adolescent Drinking, Adolescent Problem Behavior
Mindfulness Mobile App to Reduce Adolescent Substance Use
Substance-abusing youth - especially those who are involved in the juvenile justice system - are at higher risk than nonusers for mental health problems, including depression, conduct problems, personality disorders, suicidal…
- Trial name
- Qlarity (NCT04027075)
- Testing
- Qlarity app users
- Where
- United States
- Volunteers
- 257 people, healthy volunteers welcome
- Sponsor
- Oregon Research Behavioral Intervention Strategies, Inc.
Asperger's Disorder, Asperger Disorder
QAIAx - SGI/SI Smart Health Cities: Microcity Enclave Program (Quantum SI/AGI Agency a/k/a AI City Hall Project - UPSTO App Nos. 64/074,526, 64/063,557, 64/105,164, 63/903,181, 63/729,428, 64/125,360; USPTO EO 9424 Assignment ID: 2101042 / ARN: REEL/FRAME: 76481/0026 - OUSD-R&E, Department of War)
BRIEF SUMMARY A. "What is the purpose of this study?" BACKGROUND. The QAIAx clinical trial (Quantum SI/SGI Public Health Agency), known operationally as the "AI City Hall Project," represents a landmark intergovernmental research…
- Conditions
- Asperger's Disorder, Asperger Disorder, Autism Disorder, Autism
- Trial name
- QAIAx (NCT07661823)
- Testing
- AI City Hall Project (AIhealth4u - Public Health Central), AI City Hall Project (QAIAx Microcity A - AI Public Health Central)
- Where
- United States
- Volunteers
- 1,000,000 people, healthy volunteers welcome
- Sponsor
- Veterans Recovery Network Inc.
Cannabis Use Disorder
CANDIS - Targeted Treatment for Cannabis Disorders
The purpose of this study is to develop a modular treatment program for cannabis use disorders and the evaluation of the effectiveness in a controlled clinical study.
- Trial name
- NCT00252980
- Testing
- Psychotherapy
- Where
- Germany
- Volunteers
- 210 people
- Sponsor
- Technische Universität Dresden
Cannabis Use Disorder
Teen Marijuana Check-Up
This study will test a behavioral intervention tailored for adolescents who smoke marijuana and have concerns about their use. The study's purpose is to determine whether this intervention (two-sessions of motivational…
- Trial name
- NCT01109563
- Testing
- Marijuana Check-Ins
- Volunteers
- 252 people
- Sponsor
- Denise Walker
Psychotic Disorders, Psychiatric Hospitalization
Youth Experiences and Health Study
This study aims to identify unusual experiences and psychiatric symptoms that indicate a heightened risk for severe mental disorders - especially psychoses.
- Conditions
- Psychotic Disorders, Psychiatric Hospitalization, Prodromal Symptoms, Cannabis Use
- Trial name
- YEAH (NCT03332966)
- Testing
- Psychiatric questionnaires, Semi-structured psychiatric interview
- Where
- 3 sites in Finland
- Volunteers
- 1,000 people
- Sponsor
- Finnish Institute for Health and Welfare
Cannabis Use, Cannabis Dependence
Neuroimaging of Adolescent Cannabis Use Treatment
This study is testing whether brain activity related to learning can help predict how well teens respond to a treatment program designed to reduce cannabis use.
- Conditions
- Cannabis Use, Cannabis Dependence, Cannabis Use Disorder, Cannabis Abuse
- Trial name
- ACT (NCT07340554)
- Testing
- Contingency Management, Elastic Net Regression
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Indiana University
Substance-Related Disorders, Alcohol-Related Disorders
Conflict Between Maternal Autonomy and Child Health in Substance-use
Qualitative project, comprising open-ended semi-structured interviews with healthcare workers, who provide antenatal care to substance-using women.
- Conditions
- Substance-Related Disorders, Alcohol-Related Disorders, Amphetamine-Related Disorders, Inhalant Abuse
- Trial name
- NCT02797990
- Where
- United Kingdom
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- London School of Hygiene and Tropical Medicine
Cannabis Use, Delinquency
Brief Family-Based Cannabis Use Intervention for Youth With Early Juvenile Justice Involvement
The goal of this randomized clinical trial is to learn if a brief family-based intervention in effective in reducing cannabis use and delinquency in youth participating in juvenile diversion.
- Trial name
- JJ-CAPE (NCT07700849)
- Testing
- Brief Family Based Intervention, Parenting Psychoeducation
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Rhode Island Hospital
Cannabis Use, Depression
Neural and Psychiatric Consequences of Cannabis Use in Adolescents
The goal of this study is to investigate the effects of cannabis on brain function among adolescents with depression.
- Trial name
- Cann-Teen (NCT06941298)
- Testing
- Neuroimaging Investigation
- Where
- 2 sites in United States
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- University of Miami