Clinical trials: THC
Pain, Tolerance, Oral vs Vaporized THC
PK/PD of Oral and Vaporized Delta-9-Tetrahydrocannabinol (THC) in Older Adults
The overarching goal of this double-blind, placebo-controlled, crossover study is to characterize the pharmacokinetic (PK) and pharmacodynamic (PD) effects of the main analgesic and psychoactive constituent of cannabis, delta-9…
- Conditions
- Pain, Tolerance, Oral vs Vaporized THC, Abuse Liability
- Trial name
- NCT05906511
- Testing
- Dronabinol 5 MG, Dronabinol 10 MG, 2mg Purified THC in an ethanolic solution
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Yale University
Delta-9-tetrahydrocannabinol (THC), Stress
Effects of Drugs on Stress Memories
There is evidence that cannabinoids, including delta-9-tetrahydrocannabinol (THC), reduce responses to acute stress and fear-related stimuli, but few studies have examined the effects of THC on memories of stressful experiences.
- Trial name
- ETS (NCT06471647)
- Testing
- delta-9-tetrahydrocannabinol (THC) (5), delta-9-tetrahydrocannabinol (THC) (10)
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Chicago
THC
THC Titration of High-Potency Cannabis Concentrates
High-potency cannabis use is associated with public health risks, such as cannabis use disorder, psychotic disorders, and impaired cognition.
- Trial name
- THC Titration (NCT07105449)
- Testing
- Cannabis (30% THC Concentrate), Cannabis (60% THC Concentrate), Cannabis (90% THC Concentrate)
- Where
- Canada
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Centre for Addiction and Mental Health
Subjective Drug Effects, THC
Behavioral Pharmacology of Orally Administered THC and D-limonene
The current clinical trial will investigate the effects of orally administered d-limonene (limonene), delta-9-tetrahydrocannabinol (THC) and the combination in healthy adult volunteers.
- Conditions
- Subjective Drug Effects, THC, D-limonene
- Trial name
- NCT06378957
- Testing
- D-Limonene, Delta-9-THC
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
HIV, Cannabis
Effects of Cannabidiol and Tetrahydrocannabinol on Microbiome and Neuroinflammation in HIV
This study has the potential to contribute to a more complete understanding of the independent and combined effects of cannabis use and HIV on the brain and on inflammation.
- Conditions
- HIV, Cannabis, THC, Neuroinflammatory Disease
- Trial name
- CAMI (NCT05514899)
- Testing
- THC, CBD
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Cannabis Use, THC
Cannabis THC Potency, Metabolism, and Cognitive Impairment in Young Adults
The goal of this interventional study is to determine the impact of high potency THC product use on cognitive function of young adults aged 21-25.
- Conditions
- Cannabis Use, THC, Marijuana Use, Cognitive Impairment
- Trial name
- THC-YA (NCT06077292)
- Testing
- 15% THC Potency Reduction, 35% THC Potency Reduction
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Migraine, Cannabis
Dose-Ranging Trial of Inhaled Cannabis for Acute Migraine Treatment
This pilot crossover study will evaluate 3 different potencies of inhaled cannabis (2.5%, 5%, and 10%) and inhaled placebo cannabis for the acute treatment of migraine.
- Conditions
- Migraine, Cannabis, THC
- Trial name
- NCT05427630
- Testing
- THC ~2.5%, THC ~5%, THC ~10%
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of California, San Diego
Sleep, THC
Tetrahydrocannabinol (THC) and Sleep
The investigators will test the effects of 10-60mg dronabinol (oral THC) on sleep in non-frequent and frequent cannabis users.
- Conditions
- Sleep, THC, Marijuana, Cannabis
- Trial name
- NCT03560934
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
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, THC
Modulation of THC Effects by CBD: a Dose-ranging Study
The purposes of this study are 1) to determine if CBD modulates THC-induced acute psychoactive effects at different CBD:THC ratios, compared with the control product (0:20, 20:20, 40:20, 80:20, 120:20) and 2) to determine if…
- Trial name
- SPECTRE (NCT06099379)
- Testing
- ∆9-tetrahydrocannabinol
- Where
- Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
THC
Pilot fMRI Studies of Aging-Related Effects of THC
The purpose of this study is to begin investigating acute impairment of various forms of memory and learning by Tetrahydrocannabinol (THC) in cannabis (CNB) compared to placebo, in a 2-session per subject double-blind, random…
- Trial name
- NCT06647524
- Testing
- THC
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Yale University
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
THC
Multimodal Magnetoencephalography and Electroencephalography Exploration of the Acute Effects of THC Exposure on Neural Noise and Information Transmission Within Working Memory Networks
The purpose of this study is to use non-invasive brain imaging methods (MEG and EEG) to characterize the effects of THC on brain activity during learning.
- Trial name
- THC-MEG (NCT05641766)
- Testing
- THC
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Yale University
THC, Alpha-pinene
Behavioral Pharmacology of THC and Alpha-pinene
This study will evaluate the pharmacokinetics and pharmacodynamics of vaporized alpha-pinene and THC administered via inhalation.
- Trial name
- NCT04130633
- Testing
- THC, Alpha-Pinene
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Marijuana, THC
THC Memory & Reward Learning Pilot
Tetrahydrocannabidiol (THC) is the psychoactive chemical in cannabis that makes people high. This study aims to dissect acute impairment of various forms of memory and learning by THC in cannabis compared to placebo.
- Conditions
- Marijuana, THC, Cannabis
- Trial name
- NCT05116527
- Testing
- Marijuana, Hash, THC, or Grass
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hartford Hospital
Measuring THC-induced Cognitive Impairment Using a Mobile Application
Developing a Mobile Method to Measure THC-induced Impairment
Marijuana use, for both recreational and therapeutic purposes, is becoming increasingly common as states remove restrictions on use.
- Trial name
- AIS (NCT03804840)
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Differential Female Response to Δ9-tetrahydrocannabinol (THC)
Individual Differences in Drug Response
Females are increasingly using cannabis, yet remain underrepresented in preclinical and clinical cannabinoid research. This female-specific research plan will test the effects of two recreationally relevant doses of oral THC and…
- Trial name
- IDT (NCT03809546)
- Testing
- Dronabinol, dextrose
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Chicago
THC, Cannabis
THC Crossover Study
This is a randomized, crossover study enrolling experienced dual cannabis-tobacco smokers (N=18) to describe the differences in THC and toxicant exposure, examining pharmacokinetic, subjective, and cardiovascular effects from…
- Conditions
- THC, Cannabis, Cannabis Smoking, Cannabis Use, Unspecified
- Trial name
- TRDRP (NCT04429568)
- Testing
- Smoked Cannabis, Vaped Cannabis, Tobacco Cigarette
- Where
- 2 sites in United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
D-limonene and THC Pharmacodynamics
Behavioral Pharmacology of THC and D-limonene
This study will evaluate the pharmacokinetics and pharmacodynamics of vaporized d-limonene and THC administered via inhalation.
- Trial name
- NCT03609853
- Testing
- Vaporized THC, limonene, or THC and limonene
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Tolerance, Adolescent Behavior
Age-Related Effects of THC
Increased accessibility to cannabis and its primary psychoactive constituent THC has raised public health concerns. One major concern surrounds the potential risks associated with acute THC intoxication and who might be most at…
- Conditions
- Tolerance, Adolescent Behavior, THC
- Trial name
- ART (NCT04294966)
- Testing
- Dextrose, Dronabinol
- Where
- 2 sites in United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Chicago