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CBD study aims to help seniors ditch cannabis for good

NCT ID NCT06290063

Symptom relief Sponsor: University of Colorado, Boulder 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether hemp-derived CBD (with or without THC) can help older adults (60+) who use cannabis for pain, anxiety, depression, or sleep problems. Over 8 weeks, 385 participants will take either CBD+THC, CBD alone, or a placebo. The goal is to see if CBD can reduce symptoms and the need for cannabis, providing a safer alternative.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 385 people

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

Started

May 2024

Expected to finish

Aug 2028

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

60 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * At least 60 years of age * Able to provide informed consent * Must have used a cannabis product at least once with no negative effects * Must not have been regularly using any cannabis products (\<3x/month) in the last 6 months * Female participants must be postmenopausal * Liver function tests (Alanine transaminase (ALT) and * Aspartate transaminase (AST)) must show levels no greater than 2x the upper normal limits for age * Must be currently taking medication/s for pain, sleep, and/or mood Exclusion Criteria: * Blood alcohol level \> 0 at screening (to sign consent form) * Report of other drug use (cocaine, opiates, methamphetamine) in the past 90 days or fail urine screen for any of these drugs * Past or current diagnosis, or family history of diagnosis of psychosis * Current use of anti-epileptic medications (e.g. clobazam, sodium valproate) * Current use of medications known to have major interactions with Epidiolex (buprenorphine, leflunomide, levomethadyl acetate, lomitapide, mipomersen, pexidartinib, propoxyphene, sodium oxybate, and/or teriflunomide). * Current use of antipsychotic medications * Currently undergoing chemotherapy (to prevent drug interactions)

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Conditions

The condition(s) this trial relates to.

anxiety anxiety disorder Depression depressive disorder Pain sleep disorder

As listed by the trial registrant

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

Anxiety Depression Pain Sleep

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

  • University of Colorado at Boulder

    RECRUITING

    Boulder, Colorado, 80309, United States

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