Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

New study tests how pot and booze mix to impair drivers

NCT ID NCT06293040

Knowledge-focused Sponsor: Johns Hopkins 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Sep 09, 2026 · Updated 2 times

Summary

This study looks at how using vaporized cannabis and drinking alcohol together affects thinking, coordination, and driving skills. About 90 healthy adults will take part in sessions where they receive different doses of cannabis (THC) and alcohol or placebos. Researchers will measure impairment using cognitive tests, field sobriety tests, and a driving simulator to better understand the risks of combining these substances.

What this could mean

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

Active substance
Cannabis (THC) and Alcohol (Ethanol)
What this could lead to
If successful, this study could provide clearer data on how cannabis and alcohol together impair driving and cognitive skills, potentially informing safety laws and public health advice.
What could go wrong
This is an early-phase lab study with only 90 participants, so results may not apply to real-world use or to everyone. It measures impairment in a controlled setting, not actual crash risk.

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 90 people

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

Started

Sep 2024

Expected to finish

Dec 2027

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

21 years and older

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: 1. Have provided written informed consent 2. Be at least 21 years of age 3. Be in good general health based on a physical examination, medical history, vital signs, and screening urine and blood tests 4. Not be pregnant or nursing (if female). All females must have a negative serum pregnancy test at the screening visit and a negative urine pregnancy test at each study visit 5. Have not donated blood in the prior 30 days 6. Report at least 1 day of binge drinking in the past 3 months (greater than 4 or 5 drinks on a single occasion for women and men, respectively) 7. Report at least 1 use of cannabis in the past 3 years 8. Provide negative urine test for illicit drug use (excluding THC) and negative breath alcohol test (0% BAC) at screening and before study sessions 9. Report at least 1 lifetime instance of simultaneous alcohol and cannabis use 10. Current concomitant prescription medication use that may interact with the investigational study drug, including inhibitors and inducers of CYP2CP and CYP3A4 as well as highly-protein bound drugs and drugs with a narrow therapeutic index such as warfarin, cyclosporine, and amphotericin B Exclusion Criteria: 1. Psychoactive drug use (aside from cannabis, nicotine, alcohol, or caffeine) in the past month 2. History of or current evidence of significant medical condition that would put the participant at risk 3. Evidence of current psychiatric condition (MINI for DSM-V) 4. Meet criteria for severe alcohol use disorder (MINI for DSM-V) 5. CIWA-Ar score \> 9 6. Use of cannabis, on average, more than 3 days/week over past 3 months 7. Enrollment in another clinical trial or receiving of any drug as part of research within past 30 days 8. Shipley vocabulary score \<18 (corresponds to 5th grade reading level)

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Alcohol intoxication are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

Alcoholic Intoxication poisoning

As listed by the trial registrant

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

Alcohol intoxication Cannabis intoxication

How to take part

Only the study team decides who joins. These are the ways to reach them.

  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

  • Johns Hopkins Behavioral Pharmacology Research Unit

    RECRUITING

    Baltimore, Maryland, 21224, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.