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Scientists investigate real vs. feigned multiple personalities

NCT ID NCT07663890

Knowledge-focused Sponsor: Lille University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at Dissociative Identity Disorder (DID), where a person may feel they have multiple identities. Researchers will interview 60 people—some with diagnosed DID and others simulating symptoms—to understand what triggers identity shifts and how they feel. The goal is to improve care and better tell apart genuine cases from faked ones.

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 help doctors better understand DID and distinguish genuine cases from simulated ones, leading to improved care.
What could go wrong
This is an observational study with only 60 participants, so findings may not apply to everyone with DID. It aims to gather knowledge, not test a treatment.

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 60 people

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

Started

Jun 2026

Expected to finish

Jun 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

People who report suffering from Dissociative Identity Disorder (DID).

Ages

18 years and older

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 who report having Dissociative Identity Disorder (DID) * At least 18 years old * Currently receiving treatment from a therapist (psychologist or psychiatrist) Exclusion Criteria: * Individuals under guardianship or court-ordered protection

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Conditions

The condition(s) this trial relates to.

multiple personality disorder

As listed by the trial registrant

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

Dissociative identity disorder (DID)

How to take part

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

  1. The places running it

    4 sites. 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

  • Centre Régional du Psychotraumatisme

    RECRUITING

    Tours, France

  • Online Consultation Cabinet

    RECRUITING

    Chambray-lès-Tours, France

  • Online Consultation Cabinet - Alexis VANCAPPEL,

    RECRUITING

    Lille, 59800, France

  • Sophie Marek's Practice

    RECRUITING

    Carvin, France

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