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

Internet-based guided self-help for social anxiety disorder administered through a mobile app: a randomized controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN10627379

Enrollment

150

Registered

2016-07-06

Start date

2014-11-24

Completion date

Unknown

Last updated

2018-06-18

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

Conditions

Social anxiety disorder Mental and Behavioural Disorders

Interventions

A randomized controlled trial aiming at investigating the additional value of therapist-guided peer support in small groups on the treatment outcome of a web-based self-help intervention for SAD. Two

Eligibility

Sex/Gender

All

Inclusion criteria

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

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

Design outcomes

Primary

Measure	Time frame
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) 2. Diagnostic status (Structured Clinical Interview for DSM-IV Axis I Disorders [SCID-I]): pre, post (12 weeks), follow-up (6 months)	—

Secondary

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

Measure

Time frame

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

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Countries

Switzerland

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 10, 2026