Evaluation of a smartphone app to support low mood and worry in female armed forces veterans in Great Britain

Cognitive behavioural therapy smartphone app for low mood and worry management in female armed forces veterans in Great Britain: feasibility randomised controlled trial

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN50744553

Enrollment

Registered

2025-09-10

Start date

2025-08-04

Completion date

Unknown

Last updated

2026-03-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mild to moderate depression and anxiety Mental and Behavioural Disorders

Interventions

Intervention Iona Female Forces Veterans (Iona FFV) is a mobile phone app based low-intensity CBT (liCBT) intervention with engagement supported by an Artificial Intelligence driven chat-bot without a

Eligibility

Sex/Gender

Female

Age

18 Years to 100 Years

Inclusion criteria

Inclusion criteria: Initial screening: 1. Identify as female armed forces veteran 2. = 18 years old 3. Great Britain resident 4. Ability to read and understand English 5. No history of psychosis, mania, substance/alcohol dependence 6. Ability to download app 7. Access to smartphone with internet access 8. Not started or changed Anti Depressant Medication in the last month 9. Not receiving mental health support during the study Second screening: 1. PHQ-9=5;<20 2. PHQ9-Q9 (suicide risk)=1 3. GAD7<15

Exclusion criteria

Exclusion criteria: Initial screening: 1. Not identify as female armed forces veteran 2. <18 years old 3. Non Great Britain resident 4. Unable to read and understand English 5. History of psychosis, mania, substance/alcohol dependence 6. Unable to download app 7. No access to smartphone with internet access 8. Started or changed Anti Depressant Medication in the last month 9. Receiving mental health support during the study Second screening: 1. PHQ-9<5;=20 2. PHQ9-Q9 (suicide risk)=2 3. GAD7=15

Design outcomes

Primary

Measure	Time frame
Feasibility - To collect data on number of participants consented, recruited, completed screening, and to assess recruitment method, measure completion (baseline, 6 weeks, 10 weeks), drop out, drop out reason, and engagement measured using patient records at the end of the study	—

Secondary

Measure	Time frame
1. Patient Health Questionnaire (PHQ-9) at baseline, week 6, and week 10 2. General Anxiety Disorder (GAD-7) at baseline, week 6, and week 10 3. Work and Social Adjustment Scale (WASAS) at week 6 and week 10 4. mHealth App Usability Questionnaire (MAUQ) at week 10	—

Countries

England, Scotland, United Kingdom, Wales

Contacts

Public ContactMelika Janbakhsh

mj268@exeter.ac.uk-

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Apr 3, 2026