Childhood trauma survivors: new study probes hidden dissociative disorder rates
NCT ID NCT06330467
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how often dissociative identity disorder (DID) occurs in adults who experienced childhood trauma and have borderline personality disorder, functional dissociative crises, or early psychosis. Researchers will use interviews and questionnaires with 350 participants to find links between trauma types and dissociative symptoms. The goal is to better understand these conditions, not to test a treatment.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 350 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2024
- Expected to finish
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Aug 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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.
I - Inclusion Criteria: I-1: For all groups: * Male or female * Age \> or = 18 * Enrolled in or benefiting from a social security scheme * Patient fluent in French * Patient willing to undergo a psychological evaluation between 1h30 and 3h30 * Patient with a known history of psychotrauma in childhood before the age of 18 (sexual abuse, mistreatment, school harassment, natural disasters, attacks, etc.). * Patient having received and understood complete information on the organization of the research and having given written free and informed consent prior to participation in the study. I-2 : Patients in the borderline group * Patients with main diagnosis of emotionally labile personality * Patients with at least one psychiatric hospitalization in the last 3 years I-3 : Patients in the early psychosis group Patient with a diagnosis of mental state at risk of psychosis according to the criteria defined by CAARMS (Comprehensive Assessment of At Risk Mental State) OR Patients diagnosed with a first psychotic episode on an outpatient basis or following a hospital stay I-4 : Patients in the functional dissociative crises group Patients diagnosed with functional dissociative crises by a specialized epileptologist II- Non-inclusion criteria * Impairment of the subject making it difficult or not impossible to participate in the trial or to understand the information provided to him/her * Patients with specific difficulties in understanding SCID-D questions * Psychiatric condition requiring hospitalization * Patients with symptoms of recent toxic consumption (alcohol, cannabis, other ...) disrupting assessment responses * Patient taking part in a pharmacological study involving a pro-dissociative molecule of the psychedelic type * Pregnant, parturient or nursing mothers * Person deprived of liberty by judicial or administrative decision * Person in a life-threatening emergency * An adult under legal protection (guardianship, curatorship, safeguard of justice) * Person unable to give consent and not subject to a legal protection measure
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
3 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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CHRU Nancy - Neurology department
RECRUITINGNancy, France
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Centre Psychothérapique de Nancy - CLIP
NOT_YET_RECRUITINGNancy, France
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Centre Psychothérapique de Nancy - CMP Jacquard et Des Près
RECRUITINGNancy, France
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