Extended Group Written Exposure Therapy for Comorbid PTSD and BPD (Traits)

NCT07576387 · tracked via the Priya Life Science Canada tracker

Sponsor

St. Joseph's Healthcare Hamilton

Phase

Not applicable

Started

2026-06

Last updated

2026-05-08

Condition(s) studied

Posttraumatic Stress Disorder (PTSD)Borderline Personality Disorder (BPD)

Investigational drug(s) / intervention(s)

Group Written Exposure Therapy

Group Written Exposure Therapy: Group Extended Written Exposure Therapy (GE-WET) is a time-limited cognitive behavioural therapy for Posttraumatic Stress Disorder (PTSD) aimed at allowing patients to process their traumatic experiences in a safe environment. GE-WET will consist of 10 weekly group sessions. Participants will be asked to complete weekly in-session written exposures where they will recount their traumatic experience. The written exposure will be followed by a guided discussion about the experience of writing the exposure. There is no homework assigned between sessions. However, group members will be asked to refrain from avoiding thinking about the trauma between sessions.

Study summary

The goal of this open label trial is to evaluate the effectiveness of virtual group extended Written Exposure Therapy (GE-WET) in reducing Post-Traumatic Stress Disorder (PTSD) symptoms in patients with comorbid PTSD and Borderline Personality Disorder (BPD) or BPD traits. GE-WET involves attending weekly 2-hour group WET sessions for the duration of 10 weeks, in which they write about their trauma experience using specific instructions.

This study will be conducted at St. Joseph's Healthcare Hamilton's Community Psychiatry Clinic with clients wait listed for PTSD treatment (ages 18- 65, any gender, co-morbid PTSD and BPD/BPD traits).

The main questions this study aims to answer are:

Does GE-WET reduce PTSD symptoms (based on PCL-5 measures) in this population (outpatient clients ages 18-65 of any gender, with a diagnosis of PTSD and BPD or BPD traits)?

Does GE-WET result in reduced drop-out rates for this population, compared to that of other evidence-based treatment for PTSD?

What are participants subjective experience of GE-WET?

Eligibility

Sex

ALL

Min age

18 Years

Max age

65 Years

Healthy volunteers

Inclusion Criteria: * Reading and writing proficiency in English * Access to an electronic device to attend virtual group meetings * Age 18-65 * Previous diagnosis of Posttraumatic Stress Disorder (PTSD) and Borderline Personality Disorder (BPD)/BPD traits * Completion of a DBT skills group via St. Joe's Community Psychiatry Clinic Exclusion Criteria: * Diagnosis of an active severe substance use disorder or psychotic disorder * Untreated active psychotic symptoms, mania, or hypomania * Has attempted suicide in the 2 months prior to treatment beginning * Has engaged in high-risk self-harm (e.g., cutting, burning, asphyxiation) in the 2 months prior to beginning treatment * Has completed Cognitive Processing Therapy or another active PTSD treatment (i.e., prolonged exposure) in the past year

Primary outcome measure(s)

PTSD Checklist for DSM-5 (PCL-5) — From pre-treatment (1 week before the start of group) to one-month follow-up at about 4 months

Trial sites (1)

Facility	City	Region	Status
St. Joseph's Healthcare Hamilton	Hamilton	Ontario

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Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07576387 on ClinicalTrials.gov ↗ ← All trials in Canada