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20-Year study aims to unlock secrets of schizophrenia recovery

NCT ID NCT07616999

Knowledge-focused Sponsor: The University of Hong Kong 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 follows 178 people who had a first episode of psychosis to see how early treatment choices and relapses affect their thinking, daily life, and mental health over 20 years. Participants attend one interview to assess symptoms, thinking skills, and functioning. The goal is to learn what leads to better long-term outcomes.

What this could mean

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

What this could lead to
If successful, this study could reveal which early treatment strategies lead to better long-term outcomes for people with schizophrenia.
What could go wrong
This is an observational follow-up, not a treatment trial. It may not prove cause and effect, and results may not apply to all patients.

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 178 people

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

Started

May 2026

Expected to finish

Dec 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.

Who is studied

Trained research assistants will approach active patients at their upcoming psychiatric out-patient consultations at the hospitals to introduce the follow-up study and to obtain written informed consent.

Ages

18 to 65 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.

Participants were individuals who previously participated in a randomized controlled trial investigating medication continuation/discontinuation on relapse during first episode psychosis (ClinicalTrials.gov NCT00334035). The trial included specific inclusion and exclusion criteria, detailed as follows: Inclusion Criteria: * A diagnosis of schizophrenia or non-affective psychosis (schizophreniform disorder, schizoaffective disorder, brief psychotic disorder, or psychosis not otherwise specified) (DSM-IV) * Aged 18 to 65 years at the time of original enrolment * Had been treated with antipsychotic drugs for at least 12 months * No history of relapse or exacerbation or had to be asymptomatic (free of positive symptoms of psychosis) at study entry. Exclusion Criteria: * A diagnosis of drug-induced psychosis * Current treatment with clozapine, with mood stabilizing medications (lithium, valproate or carbamazepine) or with depot medication * Had high risk of suicide or violence * Inability to provide informed consent at recruitment

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Conditions

The condition(s) this trial relates to.

psychotic disorder schizoaffective disorder schizophrenia schizophreniform disorder

As listed by the trial registrant

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

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, Queen Mary Hospital

    RECRUITING

    Hong Kong, China

More trials for these conditions

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