Clinical trials: Marijuana Abuse
Cannabis Use Disorders
CANDIS-II: Evaluation of the Cognitive-behavioral Treatment Programme CANDIS
The purpose of this study is to evaluate the effectiveness of the cognitive-behavioral treatment program CANDIS among n=450 patients with cannabis use disorders in a mulicenter randomized-controlled clinical trial (n=11…
- Trial name
- CANDIS-II (NCT00673647)
- Testing
- Cognitive-behavioral treatment
- Where
- 11 sites in Germany
- Volunteers
- 450 people
- Sponsor
- Technische Universität Dresden
Alcohol Use, Marijuana Use
Motivational Interviewing and Culture for Urban Native American Youth (MICUNAY)
The investigators plan to develop and test a new alcohol and other drug (AOD) intervention for urban AI/AN youth, "Motivational Interviewing and Culture for Urban Native American Youth (MICUNAY)." This intervention integrates…
- Trial name
- MICUNAY (NCT02290938)
- Testing
- MICUNAY, Community Wellness Gathering
- Where
- 2 sites in United States
- Volunteers
- 185 people, healthy volunteers welcome
- Sponsor
- RAND
Cannabis Dependence
A Trial of N-Acetylcysteine (an Over-the-Counter Medicine) in Adolescents Who Smoke Marijuana
This study is investigating how N-Acetylcysteine (NAC), an over-the-counter medication, will reduce marijuana use when combined with Contingency Management, a behavioral treatment.
- Trial name
- NCT01005810
- Testing
- N-Acetylcysteine, Contingency Management
- Where
- United States
- Volunteers
- 116 people
- Sponsor
- Medical University of South Carolina
AOD Use, Abuse, and Dependence, Depression
Treatment for Teens With Alcohol Abuse and Depression
The investigators will recruit adolescents with alcohol or cannabis abuse and clinically significant depression. All participants will receive 12 sessions of an evidence-based treatment for alcohol abuse, Motivation Enhancement…
- Trial name
- T-TAAD (NCT02227589)
- Testing
- MET/CBT-12, CBT-D, D-TAU
- Where
- 2 sites in United States
- Volunteers
- 103 people
- Sponsor
- Duke University
Substance Abuse, Risk Reduction
First Years Away From Home: Letting Go and Staying Connected
Alcohol abuse is the leading cause of death and serious injury among college students, and students also experience significant harms from other types of substance misuse and risk behaviors.
- Conditions
- Substance Abuse, Risk Reduction, RIsky Sexual Behavior
- Trial name
- FYAH:LGSC (NCT03227809)
- Testing
- Handbook condition, Handbook plus condition
- Where
- United States
- Volunteers
- 910 people, healthy volunteers welcome
- Sponsor
- Washington State University
Alcohol Drinking, Cigarette Smoking
Brief Voluntary Alcohol and Drug Intervention for Middle School Youth
We are currently working in 16 middle schools across Los Angeles, Santa Monica and Torrance to test out a voluntary after school program called Project CHOICE, which focuses on helping students decrease their alcohol and drug…
- Conditions
- Alcohol Drinking, Cigarette Smoking, Marijuana Smoking
- Trial name
- CHOICE (NCT01081119)
- Testing
- Project CHOICE
- Where
- United States
- Volunteers
- 6,455 people
- Sponsor
- RAND
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
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
Alcohol Abuse, Alcohol Dependence
A Comparison of Adolescent Group Therapy and Transitional Family Therapy for Adolescent Alcohol and Drug Abusers
The purpose of this study is to compare the effectiveness of two psychosocially-based, manual-driven, behavioral modalities. One of these is a standardized version of the established modality of Adolescent Group Therapy (AGT)…
- Conditions
- Alcohol Abuse, Alcohol Dependence, Cannabis Abuse, Cannabis Dependence
- Trial name
- NCT00484367
- Testing
- Adolescent group therapy, Transitional family therapy
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- The Morton Center, Inc.
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 Use
Project Chill: Tailored Youth Drug Intervention In Primary Care
This study examines the impact of tailored computer-delivered and therapist-delivered brief motivations prevention/interventions both for adolescents who have not initiated marijuana use (prevention), and those who use marijuana…
- Trial name
- NCT01329315
- Testing
- BMI-T, BMI-C
- Volunteers
- 1,141 people, healthy volunteers welcome
- Sponsor
- University of Michigan
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
Risk Reduction Behavior, Health Behavior
Alcohol, Marijuana, and Risky Sex: Group Interventions With Detained Adolescents
This research is studying behaviors that young people engage in that may place them at risk for contracting a sexually transmitted disease like HIV/AIDS, and what kind of educational program works best to reduce these risky…
- Conditions
- Risk Reduction Behavior, Health Behavior, Sexual Behavior, Adolescent Behavior
- Trial name
- MARS (NCT01170260)
- Testing
- INFORMATION-ONLY SEXUAL RISK REDUCTION (INFO-ONLY), SEXUAL PLUS ALCOHOL RISK REDUCTION (SRRI+ETOH), SEXUAL + ALCOHOL + MARIJUANA RISK REDUCTION
- Where
- United States
- Volunteers
- 460 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Cannabis Use, Marijuana Use
Cannabis Use in Pregnancy and Downstream Effects on Maternal and Infant Health
With perinatal cannabis use rising in Canada, robust data on short-term and long-term effects on newborns are urgently needed. However, past barriers to obtain robust data included limited sample sizes, low self-reporting and no…
- Trial name
- CUPiD (NCT05309226)
- Testing
- Cannabis use in pregnancy or cannabis exposure in utero
- Where
- 4 sites in Canada
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Ottawa Hospital Research Institute
ALS, Autism Spectrum Disorder
Pharmacokinetic (PK) and Pharmacodynamics (PD) Study of Ilera Specific Products
This is an observational study of medical marijuana manufactured and dispensed by Ilera and given as standard treatment for a variety of approved serious medical conditions as defined by individual state law.
- Conditions
- ALS, Autism Spectrum Disorder, Cancer, Spasticity, Muscle
- Trial name
- Ilera (NCT03886753)
- Testing
- Registry, PK microsampling of blood
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Children's Hospital of Philadelphia
Cannabis, Vaping
A Virtual Reality Game to Prevent E-cigarette and Cannabis Vaping
The goal of this study is to develop and test an adapted version of our virtual reality videogame intervention prototype, Invite Only VR, developed for middle school students, which focuses on e-cigarette and marijuana vaping…
- Conditions
- Cannabis, Vaping, Emotion Regulation
- Trial name
- NCT07413432
- Testing
- Virtual reality videogame intervention for vaping prevention
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Yale University
Substance Use, Substance-Related Disorders
Clinician Practice Companion to Address Youth Substance Use
Substance use, including the use of opioids, cannabis, and other drugs, is common among adolescents and young adults, and overdose has become a leading cause of death among youth in Canada and the United States.
- Conditions
- Substance Use, Substance-Related Disorders, Adolescent Substance Use, Cannabis Use
- Trial name
- NCT07725289
- Testing
- Practice Companion
- Where
- 5 sites in United States, Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Cannabis Use Disorder, Depressive State
Substance Misuse To Psychiatric Disorders for Cannabis
With the recent availability of vortioxetine, and the surging phenomenon of cannabis misuses amongst young abusers, it is a timely opportunity to conduct an early pharmacotherapy intervention study to offer an evidence-based…
- Conditions
- Cannabis Use Disorder, Depressive State, Anxiety State, Depression
- Trial name
- NCT03485274
- Testing
- Vortioxetine, Treatment as Usual
- Where
- Hong Kong
- Volunteers
- 37 people
- Sponsor
- The University of Hong Kong
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
Substance Use Disorders, Adolescent Behavior
Addiction in Adolescence - Pathomechanisms and Treatment Evaluation
This study aims to investigate the sociodemographic background as well as psychiatric comorbidities of adolescent substance users with substance use disorders.
- Trial name
- MATRIX-A (NCT03444974)
- Testing
- adapted treatment according to the MATRIX-A therapy
- Where
- Germany
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- Technische Universität Dresden