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Can cannabis calm the brain? new study scans Veterans' brains for clues

NCT ID NCT07222306

Knowledge-focused Sponsor: Wayne State University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 07, 2026 · Updated 2 times

Summary

This study will use brain scans to see how cannabis affects inflammation and brain activity in up to 100 U.S. military veterans with PTSD and suicidal thoughts. Participants will take cannabis for 12 weeks and have PET and MRI scans before and after. The goal is to link brain changes to improvements in PTSD symptoms and quality of life, which could help personalize cannabis-based treatments.

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 CBD combinations)
What this could lead to
If successful, this could help identify which veterans with PTSD benefit most from cannabis-based treatments, leading to more personalized care.
What could go wrong
This is an early-stage imaging study, not a treatment trial. It may not show clear links between brain changes and symptom improvement, and results may not apply to all veterans.

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 100 people

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

Started

Jan 2026

Expected to finish

Aug 2030

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

Military veterans with PTSD

Ages

19 to 69 years

Sex

Anyone

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: * Eligible for, and provided written informed consent to participate in, the Parent Study (NCT06381180) and to be contacted regarding 'future research studies.' * Able/willing to provide written informed consent to participate in the Neuroimaging Study. Exclusion Criteria (eligible if the subject does not meet both criteria): * Contraindications for MRI scanning include, but are not limited to: as braces, pacemaker, implanted metal (self-report MR screening form and ferromagnetic detectors) or medical conditions that prevent comfortable MRI scanning procedures, e.g., inability to lay supine for 60 minutes, claustrophobia, or body weight \> 275lbs. * Contraindications for PET \[18F\]FETrp imaging include, but are not limited to: chronic medical conditions that alter radiotracer pharmacokinetic properties, e.g, Diabetes I/II (or uncontrolled glucose levels \[\>200mg/dl non-fasting\]), abnormal BMI (\<18.5 or \> 35kg/m2), autoimmune diseases, or other chronic inflammatory conditions, or take medications (3+ days/week) that will alter radiotracer binding, e.g., glucose stabilizing medications, proton-pump inhibitors, or anti-inflammatory agents, or have medical conditions that prevent comfortable PET scanning procedures, e.g., inability to lay supine for \~75 minutes, tolerate a radial vein catheter and up to 35ml of whole blood drawn, or body weight \> 275lbs.

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Conditions

The condition(s) this trial relates to.

Behavior cannabis dependence Depression post-traumatic stress disorder Suicidal Ideation

As listed by the trial registrant

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

Depressive symptoms PTSD PTSD symptoms Suicidal thoughts and behaviors

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Tolan Park Medical Building

    Detroit, Michigan, 48201, United States

More trials for these conditions

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