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New study tests driving skills of seniors using medical marijuana and opioids

NCT ID NCT06995937

Knowledge-focused Sponsor: Florida State 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Aug 21, 2026 · Updated 4 times

Summary

This study looks at how long-term medical marijuana use, alone or with prescription opioids, affects driving performance in adults aged 50 and older who have chronic pain. Researchers will have 250 participants drive on a real road while a specialist scores their driving errors. The goal is to understand whether these medications impair driving and how older adults manage their medication use and driving behavior.

What this could mean

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

What this could lead to
If successful, this study could provide evidence to guide safe driving recommendations for older adults using medical marijuana and/or prescription opioids.
What could go wrong
This is an observational study, not a treatment trial. It measures driving errors but does not test a new drug or therapy, so it won't directly lead to a cure or symptom relief.

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.

Participants

About 250 people

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

Started

May 2025

Expected to finish

Jan 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.

Who is studied

Adults in the state of Florida aged 50 and older

Ages

50 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: * Age 50 and older who endorse chronic or severe non-malignant pain * Resident of Florida with an active and valid Florida Drivers License * Can communicate in English * Willing and able to complete study procedures * Have active medical marijuana card for \>12 months issued by the state of Florida (MMG group) OR are race-sex match who has not used marijuana in the past 10 years with no history of daily use (NMG group) Exclusion Criteria: * Have active psychosis * Have lost or revoked driving privileges * Score of below the cut 24 (out of 30) on the Montreal Cognitive Assessment (MoCA) * Are a control participant who urine test positive for marijuana use and/or reports any marijuana use in past 10 years

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As listed by the trial registrant

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

Medical cannabis

How to take part

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

  1. The places running it

    2 sites. 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

  • Florida State University, Center for Translational Behavioral Science

    RECRUITING

    Tallahassee, Florida, 32310, United States

  • University of Florida

    RECRUITING

    Gainesville, Florida, 32611, United States