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Magic mushroom compound may rewire the brain for happiness

NCT ID NCT06692192

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 14, 2026 · Updated 2 times

Summary

This study tests whether psilocybin, the active ingredient in magic mushrooms, can improve emotional wellbeing by promoting brain plasticity. Sixty adults with mild emotional decline will receive different doses of psilocybin, sometimes combined with a drug that causes temporary amnesia. Researchers will use brain scans and questionnaires to measure changes in mood and brain function.

What this could mean

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

Active substance
Psilocybin
What this could lead to
If successful, this could help explain how psilocybin improves wellbeing by changing the brain, pointing toward new ways to treat emotional distress.
What could go wrong
This is an early Phase 1 study with only 60 people, so results may not apply broadly. The low dose and amnesia-inducing drug may limit effects.

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 60 people

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

Started

Aug 2025

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

18 to 65 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: * Age 18 to 65 years at screening, of any identified gender and racial/ethnic group * Physically healthy; does not meet criteria for an exclusionary medical condition * English-speaking (able to provide consent and complete questionnaires) * Modest decrement in self-reported wellbeing without the presence of a DSM-5 Axis I mood or anxiety disorder * Able to undergo magnetic resonance imaging (MRI) and transcranial magnetic stimulation (TMS) Exclusion Criteria: * Exclusionary DSM-5 psychiatric diagnosis and/or active suicidal ideation * Exclusionary medical conditions * Clinically significant safety lab abnormalities (i.e., Complete Blood Count with Differential, Comprehensive Metabolic Panel, and urinalysis) * Clinically significant electrocardiogram (ECG) * Use of psychotropic or CNS-altering medications within 3 months of screening * Hypertension or tachycardia

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As listed by the trial registrant

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

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

  • UW School of Medicine and Public Health

    RECRUITING

    Madison, Wisconsin, 53792, United States

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