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Could a brain booster stop schizophrenia before it starts?

NCT ID NCT05052853

Disease control Sponsor: China Medical University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 a drug that boosts NMDA receptors can help people with early signs of schizophrenia. About 48 participants with prodromal symptoms will take the drug for 12 weeks. The goal is to see if it reduces symptom severity and delays progression.

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 48 people

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

Started

Nov 2021

Expected to finish

Dec 2026

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

13 to 45 years

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: * Individuals meeting Criteria of Prodromal Syndrome (at least one of the following: 1. attenuated positive symptoms; 2. brief intermittent psychotic symptoms; 3. genetic risk and deterioration). * Subjects remain symptomatic (scoring at least 20 on the Scale of Prodromal Symptoms \[SOPS\] total score) after the 6-week screening phase (which contains the health-promotion program) and before the 12-week drug-trial period. * Subjects may be receiving ongoing treatment with antipsychotic medications, or may be medication-free for at least 12 weeks.For the subjects who have already been on such medications, the medications need to be continued for at least 4 weeks before the screening phase and the doses need to be kept unchanged during the study period. For those who have not yet been on such medications, these medications are forbidden during the study period. * Subjects agree to participate in the study and provide written informed consent after complete description of the study. For the subject \< 20 years old, a parent also has to provide written informed consent. Exclusion Criteria: * DSM-5 diagnosis of intellectual disability, substance (including alcohol) use disorder, schizophrenia, schizophreniform disorder, delusional disorder, schizoaffective disorder, substance/medication-induced psychotic disorder, or psychotic disorder due to another medical condition. * History of epilepsy, head trauma, stroke, or serious medical or central nervous system diseases (other than schizophrenia) which may interfere with the study. * Clinically significant laboratory screening tests (including blood routine, biochemical tests) * Pregnancy or lactation * Inability to follow protocol

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Conditions

The condition(s) this trial relates to.

Schizophrenia schizotypal personality disorder

As listed by the trial registrant

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

Prodromal schizophrenia

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

  • Department of Psychiatry, China Medical University Hospital

    RECRUITING

    Taichung, Taiwan

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