Multiple personality disorder
MONDO:0001159A disorder characterized by the presence of two or more identities with distinct patterns of perception and personality which recurrently take control of the person's behavior; this is accompanied by a retrospective gap in memory of important personal information that far exceeds ordinary forgetfulness. The changes in identity are not due to substance use or to a general medical condition.
Also known as: dissociative identity disorder
8 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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Promising therapy for dissociative disorders put to the test
Symptom relief Recruiting nowThis study tests a type of talk therapy called dissociation-focused cognitive behavioral therapy (DF-CBT) for people with dissociative disorders, such as depersonalization or dissociative identity disorder. The goal is to see if it reduces symptoms like feeling detached from your…
Phase: NA • Sponsor: University Hospital, Tours • Aim: Symptom relief
Last updated Jul 11, 2026 00:00 UTC
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New study tests vibration and breath focus to quiet dissociation
Symptom relief Recruiting nowThis study tests whether gentle chest vibration or breath focus exercises can reduce symptoms of dissociation in people who have experienced trauma. Researchers will measure changes in brain activity and self-reported symptoms over 8 sessions. The goal is to understand if these s…
Phase: NA • Sponsor: Emory University • Aim: Symptom relief
Last updated Jun 27, 2026 12:09 UTC
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Scientists investigate real vs. feigned multiple personalities
Knowledge-focused Recruiting nowThis 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 …
Sponsor: Lille University • Aim: Knowledge-focused
Last updated Jun 28, 2026 00:00 UTC
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Childhood trauma survivors: new study probes hidden dissociative disorder rates
Knowledge-focused Recruiting nowThis 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 participa…
Phase: NA • Sponsor: Centre Psychothérapique de Nancy • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:23 UTC