Post-traumatic stress disorder following a single traumatic event Mental and Behavioural Disorders Post-traumatic stress disorder following a single traumatic event
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 18 years or over 2. Screen positive for PTSD on the Traumatic Screening Questionnaire (TSQ) following a single traumatic event experienced at any age 3. Regular access to the internet in order to complete the modules and homework required by the Guided Self Help (GSH) programme 4. Provide informed consent 5. After a two week monitoring period, continue to meet Clinician Administered PTSD Scale (CAPS-5) criteria for mild to moderate PTSD (less than 50 on the CAPS-5) 6. PTSD is the primary diagnosis
Exclusion criteria
Exclusion criteria: 1. Inability to read and write fluently in English 2. Previous completion of a course of Trauma-focused Cognitive Behavioural Therapy (TFCBT) for PTSD 3. Currently engaged in a psychological therapy 4. Change in psychotropic medication in last four weeks 5. Psychosis 6. Substance dependence 7. Active suicide risk
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change in PTSD symtoms Clinician Administered PTSD Scale for DSM5 (CAPS-5) at 16 weeks. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. PTSD symptoms, as measured using the Clinician-Administered PTSD Scale (CAPS-5) at 52 weeks post randomisation and Impact of Events Scale - Revised (IES-R) at 16 weeks and 52 weeks post-randomisation. IES-R is also completed at each therapy session. 2. Quality of life is measured using the EQ-5D-5L questionnaire at baseline, 16 and 52 weeks 3. Functional impairment is measured using the Work and Social Adjustment Scale (WSAS) at baseline, 16 and 52 weeks 4. Depression is measured using the Patient Health Questionnaire (PHQ-9) at baseline, 16 and 52 weeks 5. Anxiety symptoms are measured using the Generalized Anxiety Disorder 7-item (GAD-7) scale at baseline, 16 and 52 weeks 6. Alcohol use is measured using the AUDIT-O questionnaire at baseline, 16 and 52 weeks 7. Social Support is measured using the Multidimensional Scale of Perceived Social Support (MSPSS) at baseline, 16 and 52 weeks 8. Insomnia is measured using the Insomnia Severity Index (ISI) at baseline, 16 and 52 weeks 9. Self-efficacy is measured using the General Self-Efficacy Scale (GSES) at baseline, 16 and 52 weeks 10. Cognition is measured using the Posttraumatic Cognitions Inventory (PTCI) at baseline, 16 and 52 weeks 11. Health care usage using an adapted version of the CSSRI-EU at baseline, 16 and 52 weeks | — |
Countries
United Kingdom, Wales