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CBD behind the wheel: new study tests driving safety

NCT ID NCT06686914

Knowledge-focused Sponsor: West Virginia University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how different doses of CBD oil affect driving performance in 300 healthy adults aged 18-30. Participants will take CBD or a placebo and then use a driving simulator to measure weaving, crashes, and reaction time. The goal is to understand if CBD causes drowsiness or impairs driving, and whether effects differ by dose or sex.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Cannabidiol (CBD) oil
What this could lead to
If successful, this could help determine safe CBD doses for driving and inform public safety recommendations.
What could go wrong
This is an early-phase study in healthy volunteers, not patients. Results may not apply to real-world driving or to people with medical conditions.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 300 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2025

Expected to finish

May 2029

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 30 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Possess a current drivers' license * Driven a motor vehicle at least once in the past 30 days * Able to read English * Test negative for all substances on a urine drug test and complete a test drive to ensure the absence of simulation sickness * Not taking any daily prescription medications (excluding birth control) * Not diagnosed with any serious chronic disease by a licensed healthcare provider (including but not limited to Alzheimer's and related dementias, Parkinson's disease or other neurodegenerative disorder, major depressive or anxiety disorder, schizophrenia or other serious mental illness, arrhythmias, cataracts, glaucoma, chronic obstructive pulmonary disease, diabetes, epilepsy, sleep apnea, and fibromyalgia) * Have an individual willing to drive them home after testing or be taken home by study staff after testing Exclusion Criteria: * Currently smoke, vape or use tobacco products, used CBD in the past 30 days * Used illegal drugs in the past 30 days (e.g., cocaine/crack, heroin, methamphetamine, 3,4-methylenedioxy-methamphetamine, inhalants, phencyclidine, lysergic acid diethylamide, psilocybin mushrooms, or marijuana) * Are pregnant or lactating at time of study

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Cannabidiol effects Driving performance

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • West Virginia University

    RECRUITING

    Morgantown, West Virginia, 26506, United States

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