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Magic mushroom drug tested in seniors for safety

NCT ID NCT07516405

Knowledge-focused Sponsor: University of Colorado, Denver 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 17, 2026 · Updated 8 times

Summary

This study is testing whether psilocybin, the active ingredient in magic mushrooms, is safe and tolerable for healthy adults aged 65 to 85. Researchers will monitor side effects and how the drug moves through the body. The goal is to gather safety data, not to treat any disease.

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 40 people

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

Started

Apr 2026

Expected to finish

Mar 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

65 to 85 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: * Aged 65-85 years \& be male, female, or non-binary * Generally healthy * Have an identified support person * Capacity to Consent Exclusion Criteria: * Unstable medical condition * Risk for hypertensive crisis (screening blood pressure \>140/90 mmHg) * Significant central nervous system (CNS) pathology * Primary psychotic or affective psychotic disorders * Family history of psychotic or serious bipolar spectrum illnesses * High risk of adverse emotional or behavioral reaction * Active substance use disorders (SUDs) * Extensive use of serotonergic hallucinogens * High risk of completed suicide * History of hallucinogen persisting perception disorder (HPPD) * Concurrent Medications: centrally-acting serotonergic agents; antipsychotics; certain mood stabilizers, aldehyde dehydrogenase inhibitors; significant inhibitors of UGT 1A9 or UGT 1A10 * Certain psychiatric conditions * Presence of relevant finding (psychological, physical symptom, medication) prior to dosing that would make a participant unsuitable for the study

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As listed by the trial registrant

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

Healthy volunteer Older adults (65-85 years)

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    6 sites. The list below names each one and where it is.

  3. 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 ↗

  4. 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

  • Dana-Farber Cancer Institute

    RECRUITING

    Boston, Massachusetts, 02215, United States

    Contact Email: •••••@•••••

  • Emory University Brain Health Center

    RECRUITING

    Atlanta, Georgia, 30329, United States

    Contact Email: •••••@•••••

  • New York University Langone Health, Center for Psychedelic Medicine

    RECRUITING

    New York, New York, 10016, United States

  • University of California San Francisco (UCSF) Department of Neurology

    RECRUITING

    San Francisco, California, 94158, United States

  • University of Colorado Anschutz Medical Campus

    RECRUITING

    Aurora, Colorado, 80045, United States

  • University of Nebraska Medical Center

    RECRUITING

    Omaha, Nebraska, 68105, United States

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