Clinical trials: Cannabis Abuse
Marijuana Smoking, Cannabis
Study on Regulated Cannabis Sales in Pharmacies
Though regulated cannabis sales are increasing, little is known about the individual health effects of cannabis regulation. Data from countries with a regulated market can be used to test the effect of regulation on the price of…
- Conditions
- Marijuana Smoking, Cannabis, Cannabis Use
- Trial name
- SCRIPT (NCT06120855)
- Testing
- Regulated cannabis from authorized pharmacies, Cannabis from the illicit market
- Where
- 2 sites in Switzerland
- Volunteers
- 1,177 people, healthy volunteers welcome
- Sponsor
- University of Bern
Autism Spectrum Disorder, Anxiety
Investigating a Marijuana-based Compound as a Treatment for Anxiety in Autistic Adults
The goal of this clinical trial is to learn if drug ABC works to treat severe asthma in adults. It will also learn about the safety of drug ABC.
- Trial name
- NCT06526208
- Testing
- MB-IMP
- Where
- United States
- Volunteers
- 108 people
- Sponsor
- Southwest Autism Research & Resource Center
Sleep
Cannabis Association With Sleep Study
The purpose of this study is to learn more about cannabis use, sleep, and stress, and whether there is any relationship between the three.
- Trial name
- CaSS (NCT06982950)
- Testing
- Manipulation of Sleep Duration
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Posttraumatic Stress Disorder
Pilot Study of the Safety and Efficacy of Four Different Potencies of Smoked Marijuana in 76 Veterans With PTSD
This pilot study gathered preliminary evidence of the safety and efficacy of four potencies of smoked cannabis to manage chronic, treatment-resistant PTSD among veterans: (1) High THC/ Low CBD (High THC), (2) Low THC/High CBD…
- Trial name
- NCT02759185
- Testing
- High THC cannabis, High CBD cannabis, THC/CBD cannabis
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Multidisciplinary Association for Psychedelic Studies
Marijuana Usage, Opioid Use
Opioid and Cannabinoid Interactions
This study will examine the effects of doses of marijuana/placebo and doses of opioid/placebo, alone and in combination. The primary outcomes are related to pharmacodynamic measures (subjective ratings of drug liking and other…
- Trial name
- NCT03705559
- Testing
- Vaporized Marijuana, Opioid Agonist
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Shanna Babalonis, PhD
Cannabis
Feasibility Trial of rTMS for Cannabis Use Disorder
This small pilot trial will recruit 10 cannabis use disordered participants and apply 20 sessions of rTMS in conjunction with a two session Brief Marijuana Dependance Counseling treatment paradigm.
- Trial name
- NCT03538288
- Testing
- rTMS
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Medical University of South Carolina
Cannabis
Changes in Cognition and Psychiatric Disorder Symptoms During Cannabis Abstinence Using a Novel Discordant Twin Design
This study will test whether 42 days of cannabis abstinence, compared to continued cannabis use, is associated with improvements in cognition and psychiatric disorder symptoms.
- Trial name
- NCT05160688
- Testing
- Contingency management
- Where
- United States
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Acute Radicular Back Pain, Cannabis
Effect of Cannabis Extract on Acute Radicular Pain and on Analgesic Requirement
Clinical evidence about the effects of cannabis in the management of acute pain is rather scarce, mostly consisting of case report-based opinions on adverse events during or after general anesthesia after smoking cannabis…
- Trial name
- NCT04816994
- Testing
- Single-dose of cannabis oil, Control
- Where
- Israel
- Volunteers
- 200 people
- Sponsor
- Hadassah Medical Organization
Chronic Pain, Opioid Use
Improving Pain Disability With the Use of Oral Cannabinoids
The investigators are conducting a pilot (i.e. a small study) in order to find out the effectiveness and safety of medical cannabis in the management of chronic pain.
- Conditions
- Chronic Pain, Opioid Use, Cannabis
- Trial name
- NCT05351905
- Testing
- CBD oil ( MPL-001), CDB+THC oil (MPL-005)
- Where
- Canada
- Volunteers
- 51 people
- Sponsor
- University Health Network, Toronto
Pain, Abuse, Drug
Age-dependent Effects of Smoked and Oral Delta-9-THC
This study will assess the age-dependent effects of smoked and oral THC on abuse liability, intoxication, analgesia and impairment as a function of age.
- Conditions
- Pain, Abuse, Drug, Intoxication; Cannabinoids
- Trial name
- SAGE (NCT05865470)
- Testing
- Cannabis, Dronabinol
- Where
- United States
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Schizophrenia, Cannabis Abuse
Clozapine for Cannabis Use in Schizophrenia
Many individuals with schizophrenia also suffer from marijuana addiction that worsens their problems related to schizophrenia. Most of the medications prescribed for schizophrenia have no effect on reducing marijuana use.
- Conditions
- Schizophrenia, Cannabis Abuse, Cannabis Dependence, Dual Diagnosis
- Trial name
- CLOCS (NCT01639872)
- Testing
- Clozapine, Risperidone
- Where
- 9 sites in United States
- Volunteers
- 49 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
Marijuana Dependence
Ph1 Marinol Interaction Study - Part 1 - 1
The purpose of this study is to examine the effects of oral dronabinol tetrahydrocannabinol (THC) on withdrawal symptoms in marijuana dependent volunteers, and evaluate the safety, pharmacokinetics (PK), and cardiovascular…
- Trial name
- NCT00438139
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- National Institute on Drug Abuse (NIDA)
Cannabis Use Disorder, Severe
Cannabis and Processing Emotions Study
The goal of this study is to test a causal neural mechanism of cannabis use-related problem recognition in individuals with severe cannabis use disorder using a non-invasive form of neuromodulation called transcranial magnetic…
- Trial name
- CAPE (NCT06907979)
- Testing
- TMS - Active iTBS, TMS - Active cTBS
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Auburn University
Chronic Pain, Post-traumatic Stress Disorder
The Norwegian Addiction, Pain and Trauma Study
In populations with substance use disorders (SUD), there is a high prevalence of chronic pain with various underlying causes. Chronic pain can complicate the treatment of SUD and lead to poorer treatment outcomes.
- Conditions
- Chronic Pain, Post-traumatic Stress Disorder, Substance Use Disorders
- Trial name
- NOR-APT (NCT04908410)
- Where
- 4 sites in Norway
- Volunteers
- 1,650 people
- Sponsor
- University Hospital, Akershus
Cannabis
Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study I
The purpose of the study is to characterize the acute effects of cannabinoids in women relative to men and to begin probing the mechanisms that may underlie gender differences.
- Trial name
- THC-Gender-I (NCT02811510)
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yale University
Marijuana Dependence
Effect of Lofexidine and Oral THC on Marijuana Withdrawal and Relapse
The purpose of this study is to investigate the interaction between marijuana and two potential treatment medications: lofexidine and oral THC, with the direct goal of using this information to improve marijuana treatment outcome.
- Trial name
- NCT00373503
- Testing
- Lofexidine, dronabinol, Marijuana
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Marijuana Dependence
Comparison Between Marijuana Smoked in Cigarette Paper Versus Cigar Paper
The purpose of this study is to investigate whether or not marijuana blunts will produce comparable plasma THC levels as marijuana joints and if blunts will produce larger cardiovascular and subjective effects.
- Trial name
- NCT00374127
- Testing
- Marijuana blunt, marijuana cigarette
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Rheumatoid Arthritis, Cannabis
Therapeutic Response of Cannabidiol in Rheumatoid Arthritis
The study will randomly assign Rheumatoid Arthritis (RA) patients on stable RA therapy to either placebo or cannabidiol (CBD). The overall goal of this proposal is to examine the efficacy and safety of CBD treatment as adjunctive…
- Trial name
- NCT04911127
- Testing
- 200mg Cannabidiol by capsules twice daily, 400mg Cannabidiol by capsules twice daily
- Where
- United States
- Volunteers
- 67 people
- Sponsor
- University of California, Los Angeles
Schizophrenia Spectrum Disorders, Cannabis Use
Effects of Cannabidiol on Psychiatric Symptoms, Cognition, and Cannabis Consumption in Cannabis Users With Recent-Onset Psychosis
A large proportion of people with a schizophrenia-spectrum disorder, especially in the early stages of the disease, regularly consume cannabis.
- Trial name
- NCT03883360
- Testing
- Cannabidiol (CBD)
- Where
- 3 sites in United States
- Sponsor
- University of Maryland, Baltimore
Cannabis Use Disorder
SCORE Emerging Adult Cannabis Use & Stress
The interface between cannabis use and stress is a particularly important focus for sex differences research in emerging adults.
- Trial name
- NCT05885542
- Testing
- Cannabidiol oral solution
- Where
- United States
- Volunteers
- 148 people
- Sponsor
- Medical University of South Carolina