Dissociative Identity Disorder
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: • Main diagnosis of Dissociative Identity Disorder, diagnosed with the SCID-D-R • The initial Dissociative Identity Disorder diagnosis was classified max 3 years ago • Participant has not received schema therapy before • Participant has not completed successful trauma treatment • Participant is motivated to undertake trauma treatment and to actively participate in achieving the treatment goals (reading literature at home, doing home assignments etc.) and to practice behavioral change • Participant agrees to be recorded; in diagnostic interviews on video and treatment sessions on audio • Age = 18 and < 60 • Participant is able to understand, read, write, and speak Dutch
Exclusion criteria
Exclusion criteria: • DSM-5 substance dependence, as measured with the MINI-plus, that requires detox • Florid psychotic episodes, as determined with the MINI-plus • Acute suicide risk, as measured with several questions on suicidal behavior, which are administered as part of the intake. • IQ < 80. IQ testing is requested by default by the intaker when education level is lower than intermediate vocational education. In that case, the screener for intelligence and mild intellectual disability (SCIL) is administered, with further IQ tests (WAIS) if indicated • Other comorbid Axis I and Axis II disorders are allowed. They will be classified with the MINI-plus and the SCID-5-PD
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Dissociative symptoms (DSS), Post Traumatic Stress Disorder symptoms (PCL-5), Symptoms clusters of Dissociative Identity Disorder: depersonalisation, derealisation, identity confusion and amnesia (SCID-D-R), therapy dropout percentage. | — |
Secondary
| Measure | Time frame |
|---|---|
| Trait dissociation (DES), a selection of validity scales from the Multidimensional Inventory of Dissociation (MID), metamemory beliefs (DBMQ), unusual sleep experiences (ISES), personality functioning and personality traits (SIPP-SF, PID-5-Brief Form), outcomes related to schema therapy (YSQ3-SF, SMI-2), daily functioning (WHODAS 2.0), happiness, quality of therapeutic relation (WAI-SR) and experiential avoidance (AAQ-II). | — |
Contacts
Rijksuniversiteit Groningen