Tailored Internet-delivered Cognitive Behaviour Therapy in Primary Care

Study Overview
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Brief Summary
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A tailored Internet-based cognitive-behavioural intervention is tested within a primary care clinic. Weekly measures of symptoms of depression and anxiety are obtained. Significant within-group effects are expected.

Detailed Description
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This Internet-based cognitive-behavioural therapy intervention contains 8-10 text-based self-help modules in which 4 modules are fixed (the first three and the last) and the rest are prescribed following the diagnostic interview. These modules contain material on panic disorder, social phobia, stress management, assertiveness training, concentration, relaxation among other things. The intervention is tested within a primary care clinic. Weekly measures of symptoms of depression and anxiety are obtained.

Official Title
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Effectiveness Testing of a Tailored Internet-delivered Cognitive Behaviour Therapy Treatment for Symptoms of Depression, Anxiety and Comorbid Problems

Conditions
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Depression, Anxiety Disorders

Intervention / Treatment
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* Behavioral: Tailored Internet-based CBT for depression and anxiety


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Symptoms of depression and anxiety Exclusion Criteria: Severe depression (based on interview) Severe psychiatric condition (e.g. psychosis or bipolar disorder) Suicidal (measured in diagnostic interview)

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Tailored Internet-delivered CBT<br>The intervention is delivered within a primary care clinic. | Behavioral: Tailored Internet-based CBT for depression and anxiety<br>* This Internet-based CBT intervention contains 8-10 text-based self-help modules in which 4 modules are fixed (the first three and the last) and the rest are prescribed following the diagnostic interview. These modules contain material on panic disorder, social phobia, stress management, assertiveness training, concentration, relaxation among other things.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Patient Health Questionnaire 9 (PHQ-9) |  | 2 weeks before treatment starts | 
| Patient Health Questionnaire 9 (PHQ-9) |  | Weekly measures during treatment (for up to 16 weeks) | 
| Patient Health Questionnaire 9 (PHQ-9) |  | At treatment termination (after a maximum of 16 weeks) | 
| Generalised Anxiety Disorder Assessment 7 (GAD-7) |  | 2 weeks before treatment starts | 
| Generalised Anxiety Disorder Assessment 7 (GAD-7) |  | Weekly measures during treatment (for up to 16 weeks) | 
| Generalised Anxiety Disorder Assessment 7 (GAD-7) |  | At treatment termination (after a maximum of 16 weeks) |