Internet-based guided self-help for social anxiety disorder administered through a mobile app

Completed

• Conditions: Social anxiety disorder; Mental and Behavioural Disorders

• Registration Number: ISRCTN10627379
• Lead Sponsor: Swiss National Science Foundation

Brief Summary

2018 results in: https://www.ncbi.nlm.nih.gov/pubmed/29781648

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2016-07-06
• Study Completion: 2016-11-30
• Last Update Posted: 18 June 2018

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 150

Inclusion Criteria

1. Male and female at least 18 years of age
2. Provided written consent
3. Sufficient German language skills
4. Access to computer with internet connection
5. Exceeding pre-defined cut-off scores in one of the social anxiety measures
6. Meeting the diagnostic criteria for SAD according to the diagnostic telephone interview
7. Agreeing to undergo no other psychological treatment for the duration of the study

Exclusion Criteria

1. Active suicidal plans (according to the suicide item of the Beck Depression Inventory (BDI) or the diagnostic telephone interview)
2. History of psychotic or bipolar disorders
3. Prescribed medication for anxiety or depression only if the dosage has been changed during the last month prior to the study

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
1. Symptoms of SAD (Social Phobia Scale [SPS], assessed using Social Interaction Anxiety Scale [SIAS], and Liebowitz Social Anxiety Scale-Self-Report [LSAS-SR]), pre, post (12 weeks), follow-up (6 months)<br>2. Diagnostic status (Structured Clinical Interview for DSM-IV Axis I Disorders [SCID-I]): pre, post (12 weeks), follow-up (6 months)

Secondary Outcome Measures

Name	Time	Method
1. Depression, assessed using the Beck Depression Inventory [BDI-II]: pre, post (12 weeks), follow-up (6 months)<br>2. General symptomatology, assessed using the Brief Symptom Inventory [BSI]: pre, post (12 weeks), follow-up (6 months)<br>3. Interpersonal problems, assessed using the Inventory of Interpersonal Problems (IIP-64): pre, post (12 weeks), follow-up (6 months)<br>4. Quality of life, assessed using the SF-12 Health Survey: pre, post (12 weeks), follow-up (6 months)<br>5. Client Satisfaction, assessed using the ZUF-8 general satisfaction questionnaire: post (12 weeks)<br>6. Several process measures:<br>6.1. Change in SAD symptoms: week 2, 4, 6, 8, 10<br>6.2. Individual condition, assessed using the Working Alliance Inventory-Short Revised (WAI-SR): week 2, 4, 6, 8, 10<br>6.3. Treatment expectancy, assessed using the Credibility/Expectancy Questionnaire (CEQ): week 2