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Magic mushroom compound targets Depression's Joy-Sapping symptom

NCT ID NCT07490353

Symptom relief Sponsor: Medical University of Vienna 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 explores whether psilocybin, the active ingredient in magic mushrooms, can help people with depression who have lost the ability to feel pleasure (anhedonia). Researchers will give 85 participants two doses of psilocybin, sometimes blocking its psychedelic effects with another drug, and use brain scans to see how it affects reward and pleasure pathways. The goal is to understand if the psychedelic experience itself is key to any mood benefits.

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 point toward a new way to treat anhedonia (loss of pleasure) in depression, potentially improving mood and well-being.
What could go wrong
This is a very early Phase 1 trial with only 85 people, so results may not apply broadly. The open-label design means both participants and researchers know who gets what, which can bias results. Psilocybin can cause intense, challenging experiences.

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 85 people

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

Started

Nov 2025

Expected to finish

May 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

18 to 55 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: All participants: * General health based on medical history, physical examination, blood draw, and electrocardiogram * Age 18 to 55 years * Right-handedness (due to potential lateralization effects of left-handed subjects) * Willingness and competence to sign the informed consent form * Normal BMI weight range (18.5-24.9) Specific to healthy subjects: * Psychiatric health based on structured clinical interview for DSM-5 (SCID) * No concomitant medication Specific to anhedonia patients: * Major depressive episode (first or recurrent) based on structured clinical interview for DSM-5 (SCID) and ICD-10 * Fulfilling the ICD-10 diagnostic criterion of anhedonia * No concomitant medication, specifically also free of antidepressants or other psychopharmaceuticals (for at least 2 weeks, 5 weeks for fluoxetin) Exclusion criteria: All participants: * Current or history of neurological disease * Current medical illness requiring treatment * Pregnancy or current breastfeeding * Current or former substance dependency * Any contraindication for MRI * Failure to comply with the study protocol or to follow the instruction of the investigating team * Failure to confirm effective use of contraception in females at least 8 weeks before and after study participation each * First-degree relative with bipolar disorder or schizophrenia Specific to healthy subjects: \- Psychiatric diagnosis Specific to anhedonia patients: \- Psychiatric comorbidities excluding anxiety disorders and/or obsessive-compulsive disorders

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Conditions

The condition(s) this trial relates to.

Anhedonia Depression major depressive disorder

As listed by the trial registrant

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

Anhedonia Depression - major depressive disorder

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

  • Medical University of Vienna, Department of Psychiatry and Psychotherapy, Division of General Psychiatry

    RECRUITING

    Vienna, State of Vienna, 1160, Austria

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