NCT06523023

Brief Summary

Objectives: To evaluate the feasibility, acceptability, safety, and preliminary effects of an integrated online program with psychoeducation and expressive writing components for people with probable post-traumatic stress disorder (PTSD) and coexisting dissociative symptoms. Hypotheses to be tested: The program will be feasible, acceptable, and safe to participants. When compared with the waitlist control group, participants in the treatment group will report significantly lower PTSD symptom severity, lower dissociative symptom severity, and greater improvement on coping immediately post-intervention. Design and subjects: An assessor-blind, two-arm, randomised waitlist-controlled pilot study is proposed; 90 community adults with significant PTSD and dissociative symptoms will be recruited. Instruments: The PTSD Checklist 5, Dissociative Experiences Scale-Taxon, and Brief Coping Orientation to Problems Experienced inventory will be used. Semi-structured interviews will be conducted for process evaluation. Intervention: A 10-week integrated online program with psychoeducational and expressive writing components. Main outcome measures: The primary outcome is PTSD symptom severity. The secondary outcomes are dissociative symptom severity and coping. The feasibility, acceptability, and safety of the program will also be examined. Data analysis: Feasibility and acceptability of the program will be assessed by examining the attrition rate, adherence rate, duration of subject recruitment, and post-program individual interviews. Generalised estimating equations with covariate adjustments will be used to examine the preliminary effects of the program. Expected results: Adults in the community who experienced significant PTSD and dissociative symptoms will become more resourceful to cope with their traumatic experiences and show more improvements on PTSD and dissociative symptoms.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
72

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Aug 2024

Geographic Reach
1 country

1 active site

Status
not yet recruiting

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

July 23, 2024

Completed
3 days until next milestone

First Posted

Study publicly available on registry

July 26, 2024

Completed
6 days until next milestone

Study Start

First participant enrolled

August 1, 2024

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 30, 2025

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 30, 2026

Completed
Last Updated

July 26, 2024

Status Verified

July 1, 2024

Enrollment Period

1.3 years

First QC Date

July 23, 2024

Last Update Submit

July 23, 2024

Conditions

Keywords

post-traumatic stress; dissociation; structured writing; pilot study

Outcome Measures

Primary Outcomes (1)

  • Post-traumatic Stress Disorder (PTSD) symptom severity

    The Chinese version PTSD Checklist 5 (PCL-5) will be used to measure DSM-5 PTSD symptom severity.

    The outcome will be measured at baseline (T0) and immediately post-intervention (T1).

Secondary Outcomes (2)

  • Dissociative symptom severity

    The outcome will be measured at baseline (T0) and immediately post-intervention (T1).

  • Coping

    The outcome will be measured at baseline (T0) and immediately post-intervention (T1).

Study Arms (2)

Treatment group (an integrated online program)

EXPERIMENTAL

Our intervnetion is an integrated online program using psychoeducation and expressive writing. It is a 10-week program that consists of a 5-week psychoeducation module and a 5-week expressive writing module.

Behavioral: An integrated online program

Waitlist control group

OTHER

After the treatment group has received and completed the integrated online program, the waitlist control group will receive the same program that is identical in content, procedures, and activities to the one received by the treatment group

Behavioral: An integrated online program

Interventions

Our integrated online program combines validated psychoeducational materials on dissociation with components of strucutred writing therapy.

Treatment group (an integrated online program)Waitlist control group

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • (a) be Hong Kong Chinese residents between the ages of 18 and 65; (b) be able to read, write, and speak in Chinese/Cantonese; (c) meet the operational definitions of "probable PTSD" and "coexisting dissociative symptoms" in screening \[score ≥31 on the Chinese version of the PTSD Checklist 5 (PCL-5) and ≥20 on the Chinese version of the Dissociative Experiences Scale-Taxon (DES-T)\]; and (d) have access to a digital device with internet connectivity, such as a smartphone, tablet, or computer.

You may not qualify if:

  • (a) having participated in or currently receiving other psychoeducation/psychotherapies for PTSD or dissociative symptoms; (b) having clinically significant medical conditions that may interfere with safe study participation; (c) concurrent substance dependence, acute suicidality, psychosis, or gross cognitive impairment; and (d) visual, language, or communication difficulties.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Chinese University of Hong Kong

Shatin, New Territories, 852, Hong Kong

Location

MeSH Terms

Conditions

Stress Disorders, Post-TraumaticDissociative Disorders

Condition Hierarchy (Ancestors)

Stress Disorders, TraumaticTrauma and Stressor Related DisordersMental Disorders

Central Study Contacts

Stanley Kam Ki Lam, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Masking Details
Allocation concealment will be ensured with the help of an independent statistician, who will be responsible for conducting the randomisation but will not be involved in any other parts of the project.
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Research Assistant Professor

Study Record Dates

First Submitted

July 23, 2024

First Posted

July 26, 2024

Study Start

August 1, 2024

Primary Completion

November 30, 2025

Study Completion

March 30, 2026

Last Updated

July 26, 2024

Record last verified: 2024-07

Data Sharing

IPD Sharing
Will not share

The data generated and analysed during the current study will not be shared publicly. This decision is based on concerns regarding participant privacy and confidentiality, as well as the sensitive nature of the collected information. Therefore, the study's data will only be accessible to the research team and authorised personnel involved in the project.

Locations