Clinical trials: THC, open to volunteers
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
Evaluate PK Profile, Evaluate PD Profile
A Study Testing the Effects of Different THC Doses on Psychological and Biological Function
The goal of this clinical trial is to learn how a investigational medicinal product (THC) affects psychological and physical responses in healthy adults with prior cannabis use experience.
- Conditions
- Evaluate PK Profile, Evaluate PD Profile, Healthy Adults, Safety and Tolerability in Healthy Volunteers
- Trial name
- DRATT (NCT07346690)
- Testing
- AVCN319301b (6mg), AVCN319301b (9mg), AVCN319301b (15mg)
- Where
- Canada
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Cannabis Intoxication
Pregnenolone as a Treatment for Cannabis Intoxication
The present study will characterize the ability of pregnenolone to reverse the acute intoxication and associated symptoms of cannabis.
- Trial name
- NCT07216690
- Testing
- Cannabis, Pregnenolone 250 mg, Pregnenolone 500 mg
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Alcohol Drinking, Cannabis Use
Cannabis' Impact on Alcohol Consumption
This study employs a repeated measures experimental design to examine the effect of THC-dominant dose of cannabis and CBD-dominant dose of cannabis, relative to placebo, on subsequent drinking in an alcohol choice task in which…
- Conditions
- Alcohol Drinking, Cannabis Use, Cannabis, Alcohol Use Disorder
- Trial name
- NCT05389930
- Testing
- THC-dominant cannabis, CBD-dominant cannabis, Alcohol
- Where
- United States
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Brown University
Cannabis
Sex Hormones Impact on Cannabis Response
The goal of this study is to systematically determine whether the cannabis response in human females is related to SH fluctuations throughout the menstrual cycle.
- Trial name
- NCT07417059
- Testing
- Cannabis, Knaster Hemp
- Where
- Netherlands
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Maastricht University
Cigarette Smoking-Related Carcinoma
PK/PD of Vaping THC-containing Liquids vs. Smoked Cannabis
We will conduct a randomized, within-subjects clinical study to compare short-term pharmacokinetic (PK) and pharmacodynamic (PD) effects of Δ9-tetrahydrocannabinol (THC) vaping liquids vs.
- Trial name
- NCT06055231
- Testing
- Vape device, Joint, Marijuana via vape device
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Roswell Park Cancer Institute
Cannabis Use, Tobacco Use
Effect of Cannabis on Cigarette Use Behavior
The purpose of this study is to determine the impact of tetrahydrocannabinol (THC) administration on motivational, subjective, and physiological effects of cigarettes.
- Conditions
- Cannabis Use, Tobacco Use, Cigarette Smoking
- Trial name
- NCT06609083
- Testing
- THC 30mg, THC 5mg, THC 0mg
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Cannabis
Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study II
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-II (NCT04704271)
- Testing
- Inhaled THC
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Yale University
Cannabis Use, Tobacco Use
Effect of Cannabis on E-Cigarette Use Behavior
The purpose of this study is to determine the impact of tetrahydrocannabinol (THC) administration on motivational, subjective, and physiological effects of electronic cigarettes.
- Conditions
- Cannabis Use, Tobacco Use, Electronic Cigarette Use
- Trial name
- NCT06609109
- Testing
- THC High Dose, THC Low Dose, THC 0mg
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins 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
Abuse, Drug, Pain
THC and CBD: A Controlled Human Study Probing a Harm Reduction Strategy
The purpose of this research is to assess the impact of CBD on the effects of THC.
- Trial name
- THC-REDUX (NCT06859710)
- Testing
- THC, CBD 20 mg, CBD 40 mg
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Abuse Cannabis, Pain
High Potency Cannabis: Acute and Protracted Effects
The purpose of this research is to assess the effects of smoked cananbis when cannabis is smoked during periods of cannabis use as usual and after a brief period of abstinence.
- Conditions
- Abuse Cannabis, Pain, Pharmacokinetics
- Trial name
- HIGH-CAP (NCT06859723)
- Testing
- Low dose THC, High dose THC
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Cannabis Use
Acute Effects of Cannabis on Cognition and Affect
This study will examine how a moderate dose of THC affects mood and cognitive functioning in regular cannabis users. The study uses a double-blind, placebo-controlled, crossover design, meaning each participant will complete two…
- Trial name
- NCT07296874
- Testing
- THC 20mg
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Washington State University
Cannabis Use
Behavioral Pharmacology of THC and Beta-Myrcene
This study will evaluate the pharmacokinetics and pharmacodynamics of vaporized b-myrcene and THC administered via inhalation.
- Trial name
- NCT05432284
- Testing
- THC, Beta-Myrcene
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
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
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
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
Low Back Pain, Chronic Pain
Dronabinol as an Adjunct for Reducing Pain
This exploratory, proof-of-concept study is a double-blind (participants and investigators will be blinded), placebo-controlled, randomized, two-arm clinical trial of Marinol [dronabinol, synthetic Δ9-tetrahydrocannabinol (THC)]…
- Conditions
- Low Back Pain, Chronic Pain, Back Injuries
- Trial name
- DARP (NCT06454669)
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Christopher D. Verrico
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
Age-related Cognitive Decline
Acute Effects of THC in Older Adult
The primary objective of this study is to determine if increasing age confers greater vulnerability to the acute A) cognitive (e.g., memory, attention, psychomotor function), B) subjective (e.g., anxiogenic and rewarding…
- Trial name
- THC-Aging (NCT06948136)
- Testing
- Delta-9-THC Low Dose, Delta-9-THC Medium Dose
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Yale University