Clinical trials: Marijuana Use
Alcohol Abuse, Tobacco Use Disorder
Screening to Augment Referral to Treatment- Project START
The investigators propose to use obstetric-gynecological clinics to conduct a randomized clinical trial that would compare two SBIRTS (Screening, Brief Intervention, Referral and Treatment), delivered either by a trained nurse or…
- Conditions
- Alcohol Abuse, Tobacco Use Disorder, Marijuana Abuse, Substance-Related Disorders
- Trial name
- ProjectSTART (NCT01539525)
- Testing
- Motivational Interview, Treatment as Usual
- Where
- 2 sites in United States
- Volunteers
- 439 people
- Sponsor
- Yale University
Schizophrenia, Dual Diagnosis
Cannabis and Schizophrenia: Self-Medication and Agonist Treatment
The first aim of this study is to determine whether a brain reward center (BRC) deficiency in patients with schizophrenia (SCZ) and cannabis use disorder (CUD) will be normalized when patients are given cannabis or dronabinol.
- Conditions
- Schizophrenia, Dual Diagnosis, Schizoaffective Disorder, Psychotic Disorder
- Trial name
- NCT00946348
- Testing
- Dronabinol, Cannabis
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center
Marijuana Abuse
The Effect of Prescription Medications in Marijuana Users
A subset of heavy marijuana users have trouble quitting marijuana use and the number of those seeking treatment for problems related to marijuana is increasing.
- Trial name
- NCT00893074
- Testing
- Dronabinol 30mg/day, Dronabinol 60mg/day, Dronabinol 120mg/day
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
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
Insomnia, Alcohol Use, Unspecified
Research Evaluating Sleep & Trends for Universal Prevention
This study is designed to develop an integrated intervention to reduce alcohol and marijuana use and consequences and improve sleep among young adults with comorbid heavy episodic drinking, marijuana use, and sleep impairment.
- Conditions
- Insomnia, Alcohol Use, Unspecified, Marijuana Use
- Trial name
- REST-UP (NCT04783519)
- Testing
- Brief Behavioral Therapy for Insomnia (BBTI), Brief Alcohol Screening and Intervention for College Students (BASICS)
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Washington
Cannabis Use
CanCope: Digital Intervention for Coping With Cannabis Craving
The CanCope Study is a micro-randomized trial conducted to gather evidence about and compare the effectiveness of a momentary intervention to help young adults cope with cannabis cravings as they attempt to reduce their use.
- Trial name
- NCT05328362
- Testing
- CanCope
- Where
- United States
- Volunteers
- 53 people
- Sponsor
- Trustees of Dartmouth College
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
Cannabis Use Disorder
Approach Bias Modification for the Treatment of Cannabis Use Disorder
Effective and durable treatments for cannabis use disorder remain elusive. Given the increasing prevalence rates of cannabis use and CUD nationwide, investigation of novel treatments is warranted.
- Trial name
- NCT03629990
- Testing
- Approach Bias Modification (ABM), Psychosocial therapy for cannabis use disorder.
- Where
- United States
- Volunteers
- 104 people
- Sponsor
- Medical University of South Carolina
Pain, Cannabis
Enhancing Medication-based Analgesia in Humans- STUDY 2
This is a single-group, within-subject, double-blind, double-dummy, placebo and active-controlled study evaluated whether the FDA-approved cannabinoid cannabidiol (CBD; Epidiolex) would enhance analgesia, subjective reports, and…
- Conditions
- Pain, Cannabis, Opioid Use
- Trial name
- NCT04036968
- Testing
- Within-subject test of blinded study medications
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Cannabis Use Disorder
Cannabidiol Pharmacotherapy for Adults With Cannabis Use Disorder
Investigators aim to determine Epidiolex's promise as a pharmacotherapy for cannabis use disorder. Investigators hypothesize that Epidiolex, when added to medical management, will result in greater reductions in marijuana use…
- Trial name
- CBD (NCT03102918)
- Testing
- Cannabidiol
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
Marijuana Smoking
Effect of Quetiapine on Marijuana Withdrawal and Relapse
The objective of this study is to investigate the interaction between marijuana and quetiapine, with the goal of using this information to improve marijuana treatment outcome.
- Trial name
- NCT00743366
- Testing
- Marijuana, Quetiapine
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Cannabis Use Disorder
Vivitrol Treatment for Cannabis Use Disorder
The purpose of this study is to investigate the safety and effectiveness of 12 weeks treatment with an extended-release injectable form of naltrexone (Vivitrol) combined with a psychological intervention in 10 treatment-seeking…
- Trial name
- NCT04139668
- Testing
- Naltrexone 380 MG [Vivitrol], Motivational Enhancement Therapy and Cognitive Behavioral Therapy
- Where
- Canada
- Volunteers
- 1 people
- Sponsor
- Centre for Addiction and Mental Health
Cannabis Dependence, Cannabis Withdrawal
Gabapentin Treatment of Cannabis Dependence
This is a clinical study to evaluate the efficacy of the medication gabapentin in treating persons with cannabis dependence.
- Conditions
- Cannabis Dependence, Cannabis Withdrawal, Cognitive Deficits
- Trial name
- NCT00974376
- Testing
- gabapentin 1200mg/day, Manual-guided behavioral counseling
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- The Scripps Research Institute
Pain, Insomnia
Effect of Medical Marijuana on Neurocognition and Escalation of Use
This study will use a randomized controlled design to test whether patients who use medical marijuana, compared to a waitlist control group, experience a change in health outcomes (relief of symptoms, or adverse health outcomes…
- Conditions
- Pain, Insomnia, Depression, Anxiety
- Trial name
- MMNE (NCT03224468)
- Testing
- Medical Marijuana
- Where
- United States
- Volunteers
- 269 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
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
Schizophrenia, Schizoaffective Disorder
Controlled Trial of Brexpiprazole For The Treatment of Co-occurring Schizophrenia and Substance Use Disorder
The proposed study is a 4-site, 12-week, novel, feasibility, investigation of patients who have co-occurring diagnoses of schizophrenia and current substance use disorder (alcohol, cocaine, heroin, or cannabis).
- Conditions
- Schizophrenia, Schizoaffective Disorder, Substance Use Disorders
- Trial name
- NCT03526354
- Testing
- Brexpiprazole, Treatment as Usual
- Where
- 4 sites in United States
- Volunteers
- 50 people
- Sponsor
- University of Massachusetts, Worcester
Marijuana Use Disorder
Effects of Smoked Marijuana on Risk Taking and Decision Making Tasks
The purpose of this study is to investigate the effects of smoked marijuana on both risk taking and decision making tasks.
- Trial name
- NCT00373399
- Testing
- Inactive Marijuana (0% THC), Low THC marijuana (1.8 %THC), High THC marijuana (3.9% THC)
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
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
Health Risk Behaviors, Risk Reduction Behavior
Enhancing Quality in Protective Strategies
The most successful young adult alcohol or marijuana interventions involve the provision of accurate, nonjudgmental personalized feedback, but notably the inclusion and effectiveness of protective behavioral strategies (PBS)…
- Trial name
- EQUIP (NCT04978129)
- Testing
- Online and Text Messaging Intervention
- Where
- United States
- Volunteers
- 162 people, healthy volunteers welcome
- Sponsor
- University of North Texas Health Science Center
Cannabis Dependence
Gabapentin Treatment of Cannabis Dependence
This is a study to evaluate the efficacy of the medication gabapentin in treating persons with cannabis dependence.
- Trial name
- NCT00395044
- Testing
- Gabapentin
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- The Scripps Research Institute