Identification of the Clinical Specificities of Complex Posttraumatic Stress Disorder
IDPLEX
2 other identifiers
interventional
300
1 country
1
Brief Summary
Identification of the clinical specificities of complex post-traumatic stress disorder post-traumatic stress disorder
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Jan 2023
Typical duration for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
October 13, 2022
CompletedFirst Posted
Study publicly available on registry
October 25, 2022
CompletedStudy Start
First participant enrolled
January 25, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 18, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
July 18, 2025
CompletedDecember 1, 2025
November 1, 2025
2.5 years
October 13, 2022
November 27, 2025
Conditions
Outcome Measures
Primary Outcomes (4)
Dissociation
The Dissociation questionnaire (DIS-Q; Vanderlinden et al., 1993) is used to scan dissociative experience and disruptions, and to measure their severity. It can be used for psychiatric patients, individuals with traumatic experience, and for scanning purposes. Its instructions are available in the introduction section of the scale and patients are asked to mark the most appropriate option for their condition. It consists of a total of 63 questions and the subject marks one option for each of these questions. Each item is scored between 1 and 5 points, mean score is obtained by dividing total scores by 63. High scores reflect high dissociative experience and disruptions. This scale can distinguish the subjects with dissociative disorder from healthy individuals or from patients with schizophrenia or bipolar mood disorder.
baseline
Emotional dysregulation
The Difficulties in Emotion Regulation Scale (DERS; Gratz \& Roemer, 2004) is a 36-item self-report questionnaire assessing emotion regulation difficulties. A typical item is "I am clear about my feelings". Items are rated from 1 (almost never) to 5 (almost always). The French version has good internal consistency for all the sub-dimensions, with Cronbach alpha values of 0.84 to 0.90 (Dan-Glauser \& Scherer, 2013). The DERS provides a total score and higher values are associated with a stronger emotion regulation difficulties.
5 minutes for questionnaire completion
PTSD
The Posttraumatic stress disorder Checklist Scale PCL-5 (Weathers et al., 2013) is a self-administered questionnaire to assess the severity of PTSD in the clinic and research according to DSM-5 criteria. This scale translated and validated in French (Ashbaugh et al., 2016) is composed of 20 items, rated from 1 (not at all) to 5 (very often) according to the intensity and frequency of symptoms in the past month. When adding the scores for each of the 20 items, a total score greater than or equal to 33 indicates probable PTSD. The PCL-5 has good psychometric qualities as it demonstrates strong internal consistency (α = .94) as well as good convergent (rs = .74 to .85) and divergent validity (rs = .31 to .60) (Blevins et al., 2015). This tool is also sensitive to therapeutic change and can be used in repeated measures as evidenced by strong test-retest reliability (r = .82) (Blevins et al., 2015).
baseline
Complex PTSD
The International Trauma Questionnaire (ITQ; Cloitre et al., 2018) is a self-report measure of PTSD and CPTSD severity assessing the following symptoms : reeexperiencing, avoidance, sense of threat, affective dysregulation, negative self- concept and disturbances in relationships. Participants are asked to select on a Likert scale how much a symptom has been bothersome in the past month or how true certain statements are of them, with scores ranging from 0 ("not at all") to 4 ("extremely"). Diagnosis of PTSD requires the endorsement of one of two symptoms from each PTSD cluster, while CPTSD diagnosis requires the endorsement of one of two symptoms from both PTSD and 'Disturbances in Self-organization' clusters. Both diagnoses require the presence of functional impairment. The ITQ is the only validated measure for ICD-11 PTSD and CPTSD.
baseline
Secondary Outcomes (10)
Early Maladaptive Schema
10 minutes for questionnaire completion
Personality Disorders
baseline
Depressive symptoms
baseline
Anxiety State and Trait
baseline
Peritraumatic Dissociation
Less than five minutes for questionnaire completion
- +5 more secondary outcomes
Study Arms (4)
simple post-traumatic stress disorder
OTHERPatients suffering from PTSD according to DSM-5 diagnostic features
complex post-traumatic stress disorder
OTHERPatients suffering from CPTSD according to CIM-11 diagnostic features
volonteer trauma +
OTHERnon clinical volunteer with traumatic exposure
volonteer trauma -
OTHERnon clinical volunteer without traumatic exposure
Interventions
Survey including demographic, clinical and psychopathological questions
Eligibility Criteria
You may qualify if:
- Age ≥ 18 years
- Free, informed and signed consent
- Affiliated to a social security scheme
- Age ≥ 18 years
- Free, informed and signed consent
- Affiliated to a social security scheme
You may not qualify if:
- Under legal protection (curatorship, guardianship, safeguard of justice)
- Present a former or current psychotic disorder, a former or current neurological disease, a history of head trauma (loss of consciousness of more than 10 minutes)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University Hospital, Tourslead
- University of Bordeauxcollaborator
Study Sites (1)
UHTours
Tours, 37000, France
Related Publications (13)
Arntz A, Jacob GA, Lee CW, Brand-de Wilde OM, Fassbinder E, Harper RP, Lavender A, Lockwood G, Malogiannis IA, Ruths FA, Schweiger U, Shaw IA, Zarbock G, Farrell JM. Effectiveness of Predominantly Group Schema Therapy and Combined Individual and Group Schema Therapy for Borderline Personality Disorder: A Randomized Clinical Trial. JAMA Psychiatry. 2022 Apr 1;79(4):287-299. doi: 10.1001/jamapsychiatry.2022.0010.
PMID: 35234828BACKGROUNDBandelow B, Krause J, Wedekind D, Broocks A, Hajak G, Ruther E. Early traumatic life events, parental attitudes, family history, and birth risk factors in patients with borderline personality disorder and healthy controls. Psychiatry Res. 2005 Apr 15;134(2):169-79. doi: 10.1016/j.psychres.2003.07.008.
PMID: 15840418BACKGROUNDBrewin CR, Cloitre M, Hyland P, Shevlin M, Maercker A, Bryant RA, Humayun A, Jones LM, Kagee A, Rousseau C, Somasundaram D, Suzuki Y, Wessely S, van Ommeren M, Reed GM. A review of current evidence regarding the ICD-11 proposals for diagnosing PTSD and complex PTSD. Clin Psychol Rev. 2017 Dec;58:1-15. doi: 10.1016/j.cpr.2017.09.001. Epub 2017 Sep 6.
PMID: 29029837BACKGROUNDCloitre M, Garvert DW, Brewin CR, Bryant RA, Maercker A. Evidence for proposed ICD-11 PTSD and complex PTSD: a latent profile analysis. Eur J Psychotraumatol. 2013 May 15;4. doi: 10.3402/ejpt.v4i0.20706. Print 2013.
PMID: 23687563BACKGROUNDGilbar O, Hyland P, Cloitre M, Dekel R. ICD-11 complex PTSD among Israeli male perpetrators of intimate partner violence: Construct validity and risk factors. J Anxiety Disord. 2018 Mar;54:49-56. doi: 10.1016/j.janxdis.2018.01.004. Epub 2018 Jan 31.
PMID: 29421372BACKGROUNDKaratzias T, Hyland P, Bradley A, Cloitre M, Roberts NP, Bisson JI, Shevlin M. Risk factors and comorbidity of ICD-11 PTSD and complex PTSD: Findings from a trauma-exposed population based sample of adults in the United Kingdom. Depress Anxiety. 2019 Sep;36(9):887-894. doi: 10.1002/da.22934. Epub 2019 Jul 3.
PMID: 31268218BACKGROUNDKaratzias T, Shevlin M, Fyvie C, Hyland P, Efthymiadou E, Wilson D, Roberts N, Bisson JI, Brewin CR, Cloitre M. An initial psychometric assessment of an ICD-11 based measure of PTSD and complex PTSD (ICD-TQ): Evidence of construct validity. J Anxiety Disord. 2016 Dec;44:73-79. doi: 10.1016/j.janxdis.2016.10.009. Epub 2016 Oct 17.
PMID: 27776256BACKGROUNDKilpatrick DG, Resnick HS, Milanak ME, Miller MW, Keyes KM, Friedman MJ. National estimates of exposure to traumatic events and PTSD prevalence using DSM-IV and DSM-5 criteria. J Trauma Stress. 2013 Oct;26(5):537-47. doi: 10.1002/jts.21848.
PMID: 24151000BACKGROUNDLanius RA, Brand B, Vermetten E, Frewen PA, Spiegel D. The dissociative subtype of posttraumatic stress disorder: rationale, clinical and neurobiological evidence, and implications. Depress Anxiety. 2012 Aug;29(8):701-8. doi: 10.1002/da.21889. Epub 2012 Mar 16.
PMID: 22431063BACKGROUNDMaercker A, Brewin CR, Bryant RA, Cloitre M, Reed GM, van Ommeren M, Humayun A, Jones LM, Kagee A, Llosa AE, Rousseau C, Somasundaram DJ, Souza R, Suzuki Y, Weissbecker I, Wessely SC, First MB, Saxena S. Proposals for mental disorders specifically associated with stress in the International Classification of Diseases-11. Lancet. 2013 May 11;381(9878):1683-5. doi: 10.1016/S0140-6736(12)62191-6. Epub 2013 Apr 11. No abstract available.
PMID: 23583019BACKGROUNDPowers A, Fani N, Carter S, Cross D, Cloitre M, Bradley B. Differential predictors of DSM-5 PTSD and ICD-11 complex PTSD among African American women. Eur J Psychotraumatol. 2017 Jun 15;8(1):1338914. doi: 10.1080/20008198.2017.1338914. eCollection 2017.
PMID: 28649302BACKGROUNDResick PA, Bovin MJ, Calloway AL, Dick AM, King MW, Mitchell KS, Suvak MK, Wells SY, Stirman SW, Wolf EJ. A critical evaluation of the complex PTSD literature: implications for DSM-5. J Trauma Stress. 2012 Jun;25(3):241-51. doi: 10.1002/jts.21699.
PMID: 22729974BACKGROUNDvan der Kolk BA, Pelcovitz D, Roth S, Mandel FS, McFarlane A, Herman JL. Dissociation, somatization, and affect dysregulation: the complexity of adaptation of trauma. Am J Psychiatry. 1996 Jul;153(7 Suppl):83-93. doi: 10.1176/ajp.153.7.83.
PMID: 8659645BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Géraldine TAPIA, PhD
University of Bordeaux
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- DIAGNOSTIC
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 13, 2022
First Posted
October 25, 2022
Study Start
January 25, 2023
Primary Completion
July 18, 2025
Study Completion
July 18, 2025
Last Updated
December 1, 2025
Record last verified: 2025-11