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Optical illusions could train social skills in psychosis

NCT ID NCT07602712

Symptom relief Sponsor: Hôpital le Vinatier Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 45-minute session of viewing visual illusions with a partner can improve social cognition in people with psychotic disorders. Social cognition is the ability to understand what others think or feel. Sixty participants will be guided through illusion boxes, discuss their perspectives, and swap positions. Researchers will measure changes in social understanding immediately and after one month.

What this could mean

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

Active substance
Visual-illusion social cognition session (behavioral intervention)
What this could lead to
If it works, this could offer a low-cost, drug-free way to help people with psychosis better understand others' thoughts and feelings, improving social interactions.
What could go wrong
This is a small, early-stage study with only 60 participants. The benefits may be modest or not last long, and results may not apply to everyone with psychosis.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 60 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Feb 2029

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 40 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: * Aged 18 to 40 years * Fluent French speaker * Has provided written informed consent * For individuals under guardianship (curatorship): inclusion is permitted if the curator is available to assist or advise when needed. * Established diagnosis of schizophrenia, schizoaffective disorder, schizophreniform disorder, or brief psychotic disorder according to theDiagnostic and statistical manual of mental disorders (DSM-5-TR) criteria * Presence of social cognition impairment, defined by:subjective complaint reported by the participant or identified by care teams regarding difficulties in social interaction and clinical confirmation of observable difficulties (e.g., social withdrawal, misinterpretation of others' intentions, inappropriate social behaviour) * Membership or entitlement to a social security plan Exclusion Criteria: * Clinical state incompatible with participation in group-based activities (e.g., severe psychomotor agitation, severe behavioural disturbance) * Concurrent participation in another social cognition remediation program * Diagnosis of intellectual disability * Insufficient comprehension of French for verbal interaction and test completion * Significant change in psychotropic medication within the past month * Uncorrectable visual impairment preventing participation * Pregnant women * Individuals under full guardianship (tutorship)

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Conditions

The condition(s) this trial relates to.

CGF1 Illusions Psychotic Disorders schizoaffective disorder schizophrenia schizophreniform disorder

As listed by the trial registrant

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

Schizophrenia spectrum disorders Social cognition

How to take part

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  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

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Contacts and locations

Locations

  • CH Le Vinatier

    Bron, 69678, France

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