Clinical trials: Marijuana Use
Concussion, Mild
The Combined Effect of Chronic Cannabis Use and Subconcussive Head Impacts on Brain Health
The purpose of this pilot study is to better understand the effects of chronic cannabis (THC) use on the neural responses to subconcussive head impacts, as a form of repetitive soccer headings.
- Trial name
- NCT04641832
- Testing
- Soccer heading
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Indiana University
Cannabis Dependence
Social and Emotional Brain Function in Cannabis Users
The aim of this functional magnetic resonance imaging (fMRI) study is to find out whether and how social and emotional brain function are altered in dependent cannabis users relative to healthy non-using control subjects after a…
- Trial name
- NCT02711371
- Testing
- fMRI
- Where
- Germany
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- University of Electronic Science and Technology of China
Schizophrenia and Other Psychotic Disorders, Cannabis Use Disorder
SV2 PET Imaging With [11C]APP311
The aim of this study is to evaluate a new SV2A tracer, [11C]APP311, in healthy aging and neuropsychiatric disorders including psychotic disorders and cannabis use disorders.
- Conditions
- Schizophrenia and Other Psychotic Disorders, Cannabis Use Disorder, Healthy
- Trial name
- SV2 (NCT03995121)
- Testing
- [11C]APP311
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Yale University
Substance-related Disorders, Alcohol-Related Disorders
LaunchPad: Supporting Healthy Decisions and Preventing Drug Use After High School
LaunchPad is an online substance use prevention program for high school seniors. The program is designed to help seniors develop skills and make informed decisions as they transition from high school to young adulthood.
- Conditions
- Substance-related Disorders, Alcohol-Related Disorders, Tobacco Use Disorder, Marijuana Use
- Trial name
- NCT07655609
- Testing
- Introduction, Norms re: Protective Behavior Strategies (PBS), Life Skills
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Prevention Strategies, LLC
Adolescent Problem Behavior, Truancy; Unsocialized
Substance Use Interventions for Truant Adolescents
This study evaluates a brief motivation-building intervention for parents and teens to reduce truancy and substance use. It is hypothesized that the motivational intervention will result in better outcomes compared to an…
- Conditions
- Adolescent Problem Behavior, Truancy; Unsocialized, Marijuana Abuse, Truancy; Socialized
- Trial name
- GOALS (NCT03655574)
- Testing
- Motivational + Family Check-up (MET+FCU), Psychoeducation
- Where
- 2 sites in United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Brown University
Driving Behavior, Driving Under the Influence
Validation of the Drug Impaired Driving Scenario (DIDS) on the CRCDS-miniSim
Subjects will participate in a 4-visit study protocol at the National Advanced Driving Simulator, part of the University of Iowa, in which they will be asked to complete assorted questionnaires, computerized cognitive tasks, and…
- Trial name
- PDID (NCT04970342)
- Testing
- 0.75 mg Alprazolam Capsule, Cannabis (6.18% THC / <0.025% CBD), Cannabis (0%/ THC / 0% CBD)
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Timothy L. Brown
Cannabis Use
Cannabis Use and Epigenetic Alterations in Human Male Sperm Cells
This is a follow-up project to a proof-of-concept study to determine if Cannabis use in male humans is associated with changes in deoxyribonucleic acid (DNA) methylation profile of sperm.
- Trial name
- NCT03614637
- Testing
- Cannabis use abstinence for 11 weeks
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Duke University
Cannabis Use, Psychiatric Disorder
An Electronic Intervention to Reduce Cannabis Among Young Adults in Psychiatric Care
Cannabis use disorders are common among young adults in psychiatric treatment. Unfortunately, cannabis use can result in deleterious consequences for those in treatment, including developing more severe psychopathology and poorer…
- Trial name
- NCT04174963
- Testing
- eToke + TPsy
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Rhode Island Hospital
Cannabis Use
Effect of Lorcaserin on Cannabis Withdrawal and Self-administration
In this study, the investigators are interested in testing how lorcaserin influences the effects of cannabis in a human laboratory model of cannabis use.
- Trial name
- NCT03253926
- Testing
- Lorcaserin, Marijuana
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Cannabis Use Disorder
Resistance Exercise and Cannabis Use
Cannabis is the most widely used illicit drug and rates of hazardous use, and cannabis use disorders (CUDs), have continued to rise in recent years.
- Trial name
- NCT03867786
- Testing
- Exercise, Video Control
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Penn State University
Cannabis Use
Cannabis and Aging
With increased availability and use of cannabis by older adults aged ≥ 50 years, a rigorous evaluation of the benefits and risks of cannabis use in these individuals is necessary.
- Trial name
- NCT05084105
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Thorsten Rudroff
Marijuana Abuse
The Effect of Food on the Oral Bioavailability of AEF0117 in Healthy Volunteers
Cannabis use is increasing and will only further escalate with legalization of recreational and medical cannabis use in western countries , with a prevalence greater than 30 % in the US and most European countries for individuals…
- Trial name
- NCT05451017
- Testing
- 3ß-(4-methoxybenzyloxy)pregn-5-en-20-one in fed condition, 3ß-(4-methoxybenzyloxy)pregn-5-en-20-one in fasting condition
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Aelis Farma
Pain;Sexual Intercourse;M
The Use of Mindful Compassion and Cannabis Suppositories for Anal Pain Among Men Who Have Sex With Men
Research aim: To determine how an online mindful-compassion intervention adjunct with cannabis suppositories might reduce anal pain during sexual intimacy among men who have sex with men.
- Trial name
- NCT06435650
- Testing
- Cannabis suppositories and mindful-compassion for anal pain, Mindful-compassion
- Where
- United Kingdom
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- London Metropolitan University
Pain Syndrome, Opioid Use
Cannabis for Opioid Substitution Trial
The purpose of this study is to define common strains of cannabis that adult chronic cancer and non-cancer pain syndrome patients are using as a replacement for opioids (narcotics).
- Conditions
- Pain Syndrome, Opioid Use, Cannabis Use
- Trial name
- COST (NCT03859089)
- Testing
- Medical Cannabis
- Where
- Canada
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Cannabis Research Associates
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
Cannabis Use, Cannabis
Joint Effort 2.0: a Mobile Application With University Students
The purpose of this study is to evaluate quantitatively and qualitatively a mobile application, Joint Effort, targeting safe cannabis use among consumers.
- Conditions
- Cannabis Use, Cannabis, Cannabis Dependence, Cannabis Smoking
- Trial name
- JOINTEFFORT (NCT05620433)
- Testing
- Joint Effort, Brief normative feedback and standard information
- Where
- Canada
- Volunteers
- 354 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Marijuana Abuse
Treatment for Adolescent Marijuana Abuse
Marijuana remains the most prevalent illicit substance used by adolescents and the number of adolescents receiving treatment for marijuana abuse more than tripled during the last decade.
- Trial name
- NCT00580671
- Testing
- MET/CBT, CM, BPT
- Where
- United States
- Volunteers
- 153 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center
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 Use
Effect of Cannabidiol (CBD) on Vision and Driving
The use of cannabis with ∆9-tetrahydrocannabinol (THC) content has been shown to have negative effects on vision and driving. The use of other cannabinoids, such as cannabidiol (CBD), which is not attributed with a psychoactive…
- Trial name
- NCT06322303
- Testing
- CBD 15%, CBD 30%
- Where
- Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universidad de Granada
Addiction, Behavioral Addiction
Mobile Health for Problematic Behaviors and Substance Use
The aim of the study is to evaluate the effectiveness of long-term and short-term app-based self-guided psychological interventions to reduce craving and lapse risk in problematic behaviors (compulsive sex, pornography…
- Conditions
- Addiction, Behavioral Addiction, Nicotine Addiction, Nicotine Dependence
- Trial name
- NCT05434429
- Testing
- mobile application
- Where
- Poland
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- PredictWatch