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Psychometric Properties of the International Trauma Interview (ITI) for ICD-11 PTSD and CPTSD

Primary Purpose

Post Traumatic Stress Disorder (PTSD), Complex Post-Traumatic Stress Disorder (CPTSD)

Status
Completed
Phase
Not Applicable
Locations
Switzerland
Study Type
Interventional
Intervention
International Trauma Interview (ITI) for ICD-11 PTSD and Complex PTSD - German version
Sponsored by
University of Zurich
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional diagnostic trial for Post Traumatic Stress Disorder (PTSD)

Eligibility Criteria

18 Years - 99 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Study-specific Inclusion criteria

  • Structured diagnostic procedures upon hospital entry not yet started, except for orienting assessments
  • Able to give informed consent as documented by signature
  • Able to understand and communicate in German Exclusion criteria
  • Clinical signs for impaired cognitive abilities
  • Other contraindications to undergo the clinical interview

Sites / Locations

  • Integrierte Psychiatrie Winterthur, Spezialstation für Traumafolgestörungen

Arms of the Study

Arm 1

Arm Type

Other

Arm Label

International Trauma Interview (ITI)

Arm Description

Outcomes

Primary Outcome Measures

International Trauma Interview (ITI)
Life Event Checklist DSM-5

Secondary Outcome Measures

Beck Depression Inventory II
Brief Symptom Checklist
Impact of Event Scale Revised Version
PTSD Checklist for DSM-5
Borderline Symptom List

Full Information

First Posted
September 9, 2019
Last Updated
November 21, 2022
Sponsor
University of Zurich
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1. Study Identification

Unique Protocol Identification Number
NCT04086654
Brief Title
Psychometric Properties of the International Trauma Interview (ITI) for ICD-11 PTSD and CPTSD
Official Title
Psychometric Properties of the International Trauma Interview (ITI) for ICD-11 PTSD and CPTSD
Study Type
Interventional

2. Study Status

Record Verification Date
November 2022
Overall Recruitment Status
Completed
Study Start Date
March 2, 2020 (Actual)
Primary Completion Date
October 15, 2021 (Actual)
Study Completion Date
October 15, 2021 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
University of Zurich

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
The aim of the project is to evaluate the psychometric properties (e.g. validity, reliability) of the International Trauma Interview (ITI) - German version. The ITI is a structured clinical interview that corresponds to the ICD-11 criteria for diagnosing both posttraumatic stress disorder (PTSD) and complex posttraumatic stress disorder (CPTSD). Eligible participants from psychiatric inpatient and outpatient facilities in Switzerland who have provided informed will complete various self-report measures about trauma-related mental health complaints. In addition, the ITI will be conducted by a trained clinician. Lastly, information from the medical chart will be further used for scientific purpose. The overall assessment will take approximately 1-2 hours to complete.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Post Traumatic Stress Disorder (PTSD), Complex Post-Traumatic Stress Disorder (CPTSD)

7. Study Design

Primary Purpose
Diagnostic
Study Phase
Not Applicable
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
77 (Actual)

8. Arms, Groups, and Interventions

Arm Title
International Trauma Interview (ITI)
Arm Type
Other
Intervention Type
Diagnostic Test
Intervention Name(s)
International Trauma Interview (ITI) for ICD-11 PTSD and Complex PTSD - German version
Intervention Description
The ITI consists of 18 items and for each symptom, standardized questions as well as probes are presented. A trained professional rates both symptom frequency and intensity, which are converted into an overall index of symptom severity. A diagnosis of PTSD/CPTSD is established by applying the ICD-11 diagnostic rules. It takes approximately 30-60 minutes to administer.
Primary Outcome Measure Information:
Title
International Trauma Interview (ITI)
Time Frame
Up to two weeks upon psychiatric ward entry
Title
Life Event Checklist DSM-5
Time Frame
Up to two weeks upon psychiatric ward entry
Secondary Outcome Measure Information:
Title
Beck Depression Inventory II
Time Frame
Up to seven days upon psychiatric ward entry
Title
Brief Symptom Checklist
Time Frame
Up to seven days upon psychiatric ward entry
Title
Impact of Event Scale Revised Version
Time Frame
Up to seven days upon psychiatric ward entry
Title
PTSD Checklist for DSM-5
Time Frame
Up to seven days upon psychiatric ward entry
Title
Borderline Symptom List
Time Frame
Up to seven days upon psychiatric ward entry

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
99 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Study-specific Inclusion criteria Structured diagnostic procedures upon hospital entry not yet started, except for orienting assessments Able to give informed consent as documented by signature Able to understand and communicate in German Exclusion criteria Clinical signs for impaired cognitive abilities Other contraindications to undergo the clinical interview
Facility Information:
Facility Name
Integrierte Psychiatrie Winterthur, Spezialstation für Traumafolgestörungen
City
Winterthur
State/Province
Zurich
ZIP/Postal Code
8400
Country
Switzerland

12. IPD Sharing Statement

Plan to Share IPD
No
Links:
URL
https://www.traumameasuresglobal.com/itq
Description
Information about ICD-11 PTSD/CPTSD measures
URL
https://www.psychology.uzh.ch/en/areas/hea/psypath.html
Description
Chair organizing the study

Learn more about this trial

Psychometric Properties of the International Trauma Interview (ITI) for ICD-11 PTSD and CPTSD

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