Internet-based Treatment of Generalized Anxiety Disorder

Not Applicable

Completed

• Conditions: Generalized Anxiety Disorder
• Interventions: Behavioral: Internet-based cognitive behavioral therapy (iCBT)

• Registration Number: NCT01570374
• Lead Sponsor: Umeå University

Brief Summary

The purpose of this study is to determine whether internet-administered cognitive behavior therapy is a feasible treatment for generalized anxiety disorder.

Detailed Description

Not available

Study Timeline

• Study Start: 2012-01
• Study First Submitted: 2012-03-31
• Study First Submitted QC: 2012-04-03
• Study First Posted: 2012-04-04
• Primary Completion: 2016-01
• Study Completion: 2016-02
• Status Verified: 2016-10
• Last Update Submitted: 2016-10-31
• Last Update Posted: 2016-11-01

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 103

Inclusion Criteria

• Satisfy DSM-IV criteria for generalized anxiety disorder
• Living in Sweden and being able to read Swedish
• Access to computer with internet connection

Exclusion Criteria

• Currently receiving other psychological treatment
• Non-stable use of psychoactive medication
• Deemed suicidal
• Deemed to suffer from other psychological disorder, e.g. psychosis, bipolarity etc.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
iCBT	Internet-based cognitive behavioral therapy (iCBT)	Receives treatment.

Primary Outcome Measures

Name	Time	Method
Change from baseline in Penn State Worry Questionnaire (PSWQ)	24 months	Measures anxiety symptoms related to Generalized Anxiety Disorder. 16 items.

Secondary Outcome Measures

Name	Time	Method
Change from baseline in Quality Of Life Inventory (QOLI)	24 months	The QOLI assessment yields an overall score and a profile of problems and strengths in 16 areas of life such as love, work and play. The QOLI test is a measure of positive psychology and positive mental health.
Change from baseline in Patient Health Questionnaire (PHQ-9)	24 months	The PHQ-9 is the nine item depression scale of the Patient Health Questionnaire. The PHQ-9 is a powerful tool for assisting primary care clinicians in diagnosing depression as well as selecting and monitoring treatment. The PHQ-9 is based directly on the diagnostic criteria for major depressive disorder in the Diagnostic and Statistical Manual Fourth Edition (DSM-IV).
Change from baseline in Generalized Anxiety Disorder-7 (GAD-7)	24 months	7-item screening form for Generalized Anxiety Disorder.
Change from baseline in Beck Anxiety Inventory (BAI)	24 months	21 item rating scale for anxiety symptoms.
Change from baseline in Montgomery-Åsberg Depression Rating Scale (MADRS)	24 months	9-item depression rating scale.

Trial Locations

Locations (1)

Department of Psychology, Umeå University; 🇸🇪 Umeå, Västerbotten, Sweden