Marijuana Impairment

Clinical trial pipeline · Data from ClinicalTrials.gov

See which Marijuana Impairment trials you may qualify for

Total trials

Actively recruiting

Phase 3 trials

Completed

Trial phase breakdown

Trial status

Actively recruiting — 6 trials

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)

RecruitingNot Applicable

NCT07401628

In-Vehicle Real-Time Cannabis Influenced Driving Detection

The goal of this clinical trial is to evaluate whether in-vehicle sensor data can be used to detect cannabis-impaired driving in healthy adult recreational cann…

Switzerland45 participantsStarted 2026-01-05

Treatment: Cannabis (THC)

RecruitingPhase 1

NCT06293040

Vaporized Cannabis Administration and Co-Administration of Alcohol on Impairment

This human laboratory study will use cognitive, behavioral, and subjective measures to characterize impairment associated with co-use of alcohol and vaporized c…

United States90 participantsStarted 2024-09-26

Treatment: Cannabis, Alcohol

RecruitingNot Applicable

NCT04935619

Extended Effects of Cannabis Abstinence on Clinical Symptoms and Cognition in Depression

The prevalence of major depressive disorder (MDD) is \~5.0%, and rates of co-occurring SUDs in these patients approach 40-50%. Specifically, rates of co-morbid…

Canada52 participantsStarted 2021-07-21

Treatment: Contingency Reinforcement, Non-Contingency Reinforcement

RecruitingPhase 2

NCT05822362

CBD for Individuals at Risk for Alzheimer's Disease

This is a double-blind, randomized controlled trial designed to test the effects of cannabidiol (CBD) on validated biomarkers of Alzheimer's disease (AD) progre…

United States236 participantsStarted 2024-01-19

Treatment: Cannabidiol, Placebo

RecruitingNot Applicable

NCT05445180

Investigating the Neural Correlates of Cognitive Function in Psychosis Patients and Non-Psychiatric Controls With Cannab…

Cognitive impairment is well established in people with psychosis and is associated with cannabis use. The current study will investigate the neurobiological ba…

Canada134 participantsStarted 2022-04-21

Treatment: Contingency management

All recent trials (38 shown)

CompletedNot Applicable

NCT06255054

Novel Approaches to Assessing Cannabis Impaired Driving (NAACID)

Researchers at the University of Colorado Anschutz Medical Campus, Colorado School of Public Health, and Injury \& Violence Prevention Center want to learn more…

United States207 participantsStarted 2020-06-20

SuspendedNot Applicable

NCT06077292

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. The main que…

United States110 participantsStarted 2025-03-17

Treatment: 15% THC Potency Reduction, 35% THC Potency Reduction

Marijuana Impairment

Trial phase breakdown

Trial status

Actively recruiting — 6 trials

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

In-Vehicle Real-Time Cannabis Influenced Driving Detection

Vaporized Cannabis Administration and Co-Administration of Alcohol on Impairment

Extended Effects of Cannabis Abstinence on Clinical Symptoms and Cognition in Depression

CBD for Individuals at Risk for Alzheimer's Disease

Investigating the Neural Correlates of Cognitive Function in Psychosis Patients and Non-Psychiatric Controls With Cannab…

All recent trials (38 shown)

Novel Approaches to Assessing Cannabis Impaired Driving (NAACID)

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

Trial phase breakdown

Trial status

Actively recruiting — 6 trials

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

In-Vehicle Real-Time Cannabis Influenced Driving Detection

Vaporized Cannabis Administration and Co-Administration of Alcohol on Impairment

Extended Effects of Cannabis Abstinence on Clinical Symptoms and Cognition in Depression

CBD for Individuals at Risk for Alzheimer's Disease

Investigating the Neural Correlates of Cognitive Function in Psychosis Patients and Non-Psychiatric Controls With Cannab…

All recent trials (38 shown)

Novel Approaches to Assessing Cannabis Impaired Driving (NAACID)

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

Evaluation of Smoked THC and CBD in Men and Women

Examining the Role of Tolerance on Dose-dependent Effects of Acute THC on Oculomotor and Cognitive Performance

Alcohol and Cannabis Concentrates Co-Administration

High Confusion: Cannabis & Driving

Standardized Field Test for Marijuana Impairment II

The Impact of Oral Cannabis Administration and Co-Administration of Alcohol on Impairment

Delta-8-THC vs. Delta-9-THC on Simulated Driving Performance

Cannabis Impairment Detection Device Study

Examine the Feasibility of a Standardized Field Test for Marijuana and Alcohol Impairment: Laboratory Evaluations

Developing a Mobile Method to Measure THC-induced Impairment

Examine the Feasibility of a Standardized Field Test for Marijuana Impairment: Laboratory Evaluations

Neuroscience of Marijuana Impaired Driving

Cannabis Consumption and Driving Impairment Assessment on a Closed Course

Effects of Cannabis/Alcohol on Driving Performance and Field Sobriety Tests

Validation of the Drug Impaired Driving Scenario (DIDS) on the CRCDS-miniSim

Differences in Cannabis Impairment and Its Measurement Due to Route of Administration

Assessment of the Single Dose Pharmacokinetics and Tolerability of Sativex in Patients With Impaired Hepatic Function an…

Dose-response of Cannabis and Driving