Marijuana Smoking

Clinical trial pipeline · Data from ClinicalTrials.gov

See which Marijuana Smoking trials you may qualify for

100

Total trials

Actively recruiting

Phase 3 trials

Completed

Trial phase breakdown

Trial status

Actively recruiting — 18 trials

RecruitingNot Applicable

NCT07167225

Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use 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 o…

United States150 participantsStarted 2025-04-03

Treatment: Effectiveness of different recruitment approaches, Choice of study completion locations

RecruitingNot Applicable

NCT07340554

Neuroimaging of Adolescent Cannabis Use Treatment

This study is testing whether brain activity related to learning can help predict how well teens respond to a treatment program designed to reduce cannabis use.…

United States80 participantsStarted 2026-06

Treatment: Contingency Management, Elastic Net Regression

RecruitingNot Applicable

NCT06736444

Brief Interventions to Reduce Comorbid Alcohol and Cannabis Misuse and Sleep Impairment in Young Adults (Rest-Up RCT)

This study is designed to evaluate an integrated intervention to reduce alcohol and marijuana use and consequences and improve sleep among young adults with com…

United States800 participantsStarted 2025-07-02

Treatment: Brief Behavioral Therapy for Insomnia (BBTI), Brief Alcohol Screening and Intervention for College Students (BASICS)

RecruitingPhase 1

NCT06609109

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 elec…

United States100 participantsStarted 2025-03-19

Treatment: THC High Dose, THC Low Dose

RecruitingPhase 3

NCT06883162

Cannabis-Tobacco Co-Use Treatment Study

The purpose of the RECLAIM study is to evaluate the effectiveness of varenicline (sometimes known as Chantix) compared to placebo (an inactive substance) for th…

United States200 participantsStarted 2025-05-06

Treatment: Varenicline, Counseling

RecruitingNot Applicable

NCT04810858

Modeling the Effects of Chronic Marijuana Use on Neuroinflammation and HIV-related Neuronal Injury

This study applies a hypothesis-driven approach to examine the effects of chronic marijuana use on HIV-associated inflammation and its subsequent impacts on cen…

United States220 participantsStarted 2021-08-18

Treatment: Multimodal, multi-parametric MRI, Immune and cytokine profiling

All recent trials (100 shown)

CompletedNot Applicable

NCT05979272

TECH App Marijuana Use Intervention for Court-Involved Adolescents

The study is about helping teens who are involved in the court system to cut down or quit using marijuana. Teens may be asked to test out an experimental smartp…

United States60 participantsStarted 2023-06-21

Treatment: Treatment as usual, Teen Empowerment through Computerized Health (TECH) app

CompletedPhase 1

NCT05485012

Reinforcing Effects of Marijuana and Opioids

The primary goals of this study are to examine 1) marijuana modulation of oxycodone self-administration and 2) oxycodone modulation of marijuana self-administra…

United States8 participantsStarted 2023-08-03

Treatment: Marijuana, Opioid

Marijuana Smoking

Trial phase breakdown

Trial status

Actively recruiting — 18 trials

Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use E-cigarettes and Cannabis (Co-Tox Study)

Neuroimaging of Adolescent Cannabis Use Treatment

Brief Interventions to Reduce Comorbid Alcohol and Cannabis Misuse and Sleep Impairment in Young Adults (Rest-Up RCT)

Effect of Cannabis on E-Cigarette Use Behavior

Cannabis-Tobacco Co-Use Treatment Study

Modeling the Effects of Chronic Marijuana Use on Neuroinflammation and HIV-related Neuronal Injury

All recent trials (100 shown)

TECH App Marijuana Use Intervention for Court-Involved Adolescents

Reinforcing Effects of Marijuana and Opioids

Trial phase breakdown

Trial status

Actively recruiting — 18 trials

Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use E-cigarettes and Cannabis (Co-Tox Study)

Neuroimaging of Adolescent Cannabis Use Treatment

Brief Interventions to Reduce Comorbid Alcohol and Cannabis Misuse and Sleep Impairment in Young Adults (Rest-Up RCT)

Effect of Cannabis on E-Cigarette Use Behavior

Cannabis-Tobacco Co-Use Treatment Study

Modeling the Effects of Chronic Marijuana Use on Neuroinflammation and HIV-related Neuronal Injury

All recent trials (100 shown)

TECH App Marijuana Use Intervention for Court-Involved Adolescents

Reinforcing Effects of Marijuana and Opioids

Cannabis THC Potency, Metabolism, and Cognitive Impairment in Young Adults

Feasibility and Acceptability Trial to Reduce Tobacco and Cannabis Use During Pregnancy and Postpartum

N-Acetylcysteine for Smoking Cessation in Tobacco and Cannabis Co-Use

PK/PD of Vaping THC-containing Liquids vs. Smoked Cannabis

Drug-Drug Interaction Between THC and AEF0117

Community Based Cannabis Cessation Program

A Virtual Reality Game to Prevent E-cigarette and Cannabis Vaping

Transcranial Magnetic Brain Stimulation to Reduce Cannabis Use in Heavy Cannabis Users

Study on Regulated Cannabis Sales in Pharmacies

Evaluation of Medical Cannabis and Prescription Opioid Taper Support for Reduction of Pain and Opioid Dose in Patients W…

TACUNA (Traditions and Connections for Urban Native Americans)

Patients' Attitudes Toward and Experiences With Buprenorphine Treatment

Cannabis and Tobacco Co-use Study

Computer-Mediated Versus Face-to-Face Motivational-Type Interviews

Cannabis Use in Pregnancy and Downstream Effects on Maternal and Infant Health

Influencer E-Cigarette and Cannabis Marketing: a Survey-Based Experiment Among Adolescents

Nicotine and Cannabis Vape Labeling Experiment - Spring 2025

Reactions of Older Adults Driving After Cannabis Exposure