Clinical trials: Marijuana Use
Psychosis, Cannabis Use
Probing the Cannabinoid System in Individuals With a Family History of Psychosis
The overall purpose of this study is to determine whether a family history of psychosis is associated with an altered cannabinoid system.
- Conditions
- Psychosis, Cannabis Use, THC, Marijuana
- Trial name
- NCT02102113
- Testing
- Very Low Dose THC, Low Dose THC
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Yale University
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
Schizophrenia, Cannabis Abuse
Niacin Flushing as Marker of Cannabis Effects on Arachidonic Acid Pathways in Schizophrenia
Increasing evidence suggests modulating effects of cannabinoids on time of onset, severity, and outcome of schizophrenia. Efforts to discover the underlying pathomechanism have led to the assumption of gene x environment…
- Trial name
- NCT00376233
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Jena
Cannabis Use Disorder, Moderate
Cortical Excitability and Role of rTMS in Cannabis Use Disorder
Repetitive transcranial magnetic stimulation (rTMS) and cortical excitability have a role in cannabis use disorder
- Trial name
- NCT04106336
- Testing
- rTMS
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Assiut University
Cigarette Smoking-Related Carcinoma, E-Cig Use
Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use Cigarettes, E-cigarettes and Cannabis (Co-Tox Study)
This study evaluates the amount of nicotine, cannabis, and toxicants linked to the use of nicotine e-cigarette and/or cannabis products in the blood and urine of young adult users as well as the cannabis and nicotine use…
- Trial name
- NCT07167225
- Testing
- Effectiveness of different recruitment approaches, Choice of study completion locations, Cannabis Engagement Assessment
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Roswell Park Cancer Institute
Marijuana Abuse
Evaluating Responses to Drug-Related Cues Versus Neutral Cues to Understand the Effects of Marijuana Craving - 1
The majority of past research on marijuana treatment has specifically targeted the alleviation of withdrawal symptoms. Minimal focus has been placed on how altering craving effects may play a role in treating marijuana addiction.
- Trial name
- NCT00218478
- Testing
- Cue Desensitization
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Wayne State University
Cannabis Use
Joint Effort 2.0 : Evaluation Among General Population
This study aims to evaluate a mobile app designed to promote the safe use of cannabis among adult users in Quebec.
- Trial name
- NCT07524985
- Testing
- Joint Effort, Brief normative feedback and standard information
- Where
- Canada
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
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.
Healthy
Cannabis and Polysubstance Use: Response Inhibition and Stress Exposure
The purpose of this Phase I non-therapeutic trial is to examine the neurological effects of cannabis on stress reactivity and inhibition in healthy cannabis users.
- Trial name
- CAPU RISE (NCT05261321)
- Testing
- Cannabis oil with a high ratio of THC to CBD, Cannabis oil with a high ratio of CBD to THC
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
THC, Cannabis
Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration
This is a crossover, randomized, double-blinded clinical pharmacology study enrolling dual cannabis-tobacco smokers to better understand the combined effects of co-administering cannabis and tobacco.
- Conditions
- THC, Cannabis, Cannabis Use, Cannabis Smoking
- Trial name
- CANNIC (NCT05999383)
- Testing
- Cannabis, Nicotine, Pax Loose Leaf Vaporizer
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Cannabis Use
Using Implementation Intentions to Reduce Cannabis Use
The study will recruit frequent users of cannabis (defined at least fortnightly use) and randomize them either to: (1) form implementation intentions by linking situations in which they are tempted to use cannabis with strategies…
- Trial name
- NCT03845842
- Testing
- Volitional help sheet
- Where
- United Kingdom
- Volunteers
- 311 people, healthy volunteers welcome
- Sponsor
- University of Manchester
Cannabis
Age Differences in the Effects of Cannabis on Simulated Driving
Epidemiological studies suggest that the use of cannabis is associated with an increase in the risk of motor vehicle collisions. It is also known that younger users may be at increased risk for motor vehicle collisions.
- Trial name
- ADCUF (NCT04325958)
- Testing
- Cannabis
- Where
- Canada
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Centre for Addiction and Mental Health
Cannabis Use Disorder, Cannabis Dependence
N-acetylcysteine for the Treatment of Cannabis Dependence: Working Mechanisms
This study investigates the effects of repeated NAC administration on glutamate concentrations in the anterior cingulate cortex (ACC), on neurocognitive functioning, and on neuro-inflammatory parameters in adult…
- Trial name
- NCT03221231
- Testing
- N-acetylcysteine, Magnetic Resonance Imaging, Neurocognitive measures
- Where
- Belgium
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
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.
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
Pregnancy Related, Cannabis Use
Effects of Pregnancy-associated Hormones on THC Metabolism in Women
Cannabis use is prevalent among pregnant women, but the effects of use on both the developing fetus and pregnant woman are unknown.
- Trial name
- PrECEPT (NCT04374773)
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Washington
Alzheimer Disease
Use of a Cannabinoids as a Treatment Strategy for Alzheimer's Disease
Brief Summary: The objective of the study is to evaluate the effect of cannabinoids on Alzheimer's Disease. This is a double-blind, randomized, placebo-controlled clinical trial.
- Trial name
- DAZACANN (NCT06570928)
- Testing
- Cannabis
- Where
- Brazil
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Federal University of Latin American Integration
Cannabis, Cannabis Use
Marijuana Effects on Simulated Driving Performance
This study will examine the effects of various strains of marijuana on simulated driving performance; the effects of alcohol administration will also be examined to further understand how marijuana-induced driving changes compare…
- Conditions
- Cannabis, Cannabis Use, Marijuana, Marijuana Usage
- Trial name
- NCT03699540
- Testing
- Marijuana, Alcohol, Inactive marijuana
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Shanna Babalonis, PhD
Cannabis Use, Pain, Acute
Eye Tracking as a Biomarker of Cannabis Effects
Biomarkers of recent drug use and intoxication have societal relevance, in that they are used by law enforcement and other agencies to detect drug impairment.
- Trial name
- NCT04100590
- Testing
- Cannabis
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
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