Cognitive Behavior Therapy for Health Anxiety: A Comparison of Three Forms of Self-help
Severe Health Anxiety, Somatic Symptom Disorder, Illness Anxiety Disorder
About this trial
This is an interventional treatment trial for Severe Health Anxiety focused on measuring severe health anxiety, somatic symptom disorder, illness anxiety disorder, cognitive behavior therapy, bibliotherapy, internet, exposure
Eligibility Criteria
Inclusion Criteria:
- A primary diagnosis of severe health anxiety (somatic symptom disorder or illness anxiety disorder) according to the Diagnostic and Statistical Manual of Mental Disorders 5 (DSM-5)
- At least 18 years old
- Able to read and write in Swedish
Exclusion Criteria:
- Other primary axis-I disorder
- Ongoing substance abuse or addiction
- Current or previous episode of psychosis or bipolar disorder
- Severe major depressive disorder
- Higher than 5 on the suicidality scale of the Mini International diagnostic Interview
- Non-stable antidepressant medication (changed during the last 2 months) or not agreeing to keep dosage constant throughout the study
- Ongoing concurrent psychological treatment for severe health anxiety
- Having received previous high quality Cognitive Therapy or Cognitive Behavior Therapy during the recent year
- Ongoing serious somatic disorder
Sites / Locations
- Karolinska Institutet
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
No Intervention
Therapist-guided Internet-based Cognitive Behavior Therapy
Unguided Internet-based Cognitive Behavior Therapy
Cognitive Behavior Therapy-based bibliotherapy
Waiting-list condition
Cognitive Behavior Therapy delivered via the Internet: 12 weeks, supported self-help
Cognitive Behavior Therapy delivered via the Internet: 12 weeks, self-help only
Cognitive Behavior Therapy delivered in book form: 12 weeks, self-help only
No intervention: 12 weeks