Internet-delivered Cognitive Behavioral Therapy (CBT) for Health Anxiety (Ha1b)

This study has been completed.
Information provided by:
Karolinska Institutet Identifier:
First received: January 22, 2009
Last updated: May 5, 2015
Last verified: June 2010
Hypochondriasis (health anxiety) is common, has many negative consequences for the afflicted individual and is associated with high societal costs. Cognitive Behavioural Therapy (CBT) has proven to be effective when administered in live-sessions. The aim of this study is to investigate whether CBT remains effective when administered via a self-help programme on the Internet.

Condition Intervention Phase
Behavioral: Internet-delivered CBT.
Behavioral: On line discussion group
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: Internet-delivered Cognitive Behavioural Therapy for Health Anxiety - a Randomized Controlled Trial

Resource links provided by NLM:

Further study details as provided by Karolinska Institutet:

Primary Outcome Measures:
  • Health Anxiety Inventory [ Time Frame: 3 days before treatment start ] [ Designated as safety issue: No ]
  • Health Anxiety Inventory [ Time Frame: 12 weeks after pre asessment ] [ Designated as safety issue: No ]
  • Health Anxiety Inventory [ Time Frame: 6 months after post assessment ] [ Designated as safety issue: No ]
  • Health Anxiety Inventory [ Time Frame: 12 months after post assessment ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • IAS [ Time Frame: Immediately pre and post treatment,and 6 and 12 month follow up ] [ Designated as safety issue: No ]
  • BAI [ Time Frame: Immediately pre and post treatment, and 6 and 12 month follow-up ] [ Designated as safety issue: No ]
  • MADRS-S [ Time Frame: Immediately pre and post treatment, and 6 and 12 month follow-up ] [ Designated as safety issue: No ]
  • QOLI [ Time Frame: Immediately pre and post treatment, and 6 and 12 month follow-up ] [ Designated as safety issue: No ]
  • WI [ Time Frame: Immediately pre and post treatment, and 6 and 12 month follow-up ] [ Designated as safety issue: No ]

Estimated Enrollment: 80
Study Start Date: January 2009
Study Completion Date: July 2010
Primary Completion Date: June 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
Internet-delivered CBT. Contact with therapist thru an e-mail system. 12 weeks.
Behavioral: Internet-delivered CBT.
12 weeks. Therapist contact through e-mail.
Placebo Comparator: 2
On line discussion group.
Behavioral: On line discussion group
Placebo. On line discussion group.


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Primary diagnosis of hypochondriasis
  • At least 18 years old
  • Able to read and write in swedish
  • Computer access

Exclusion Criteria:

  • Drug abuse
  • Concurrent severe depression
  • No serious somatic illness
  • Previous treatment with CBT for hypochondriasis
  Contacts and Locations
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Please refer to this study by its identifier: NCT00828152

Psykiatri Sydväst
Stockholm, Sweden, 141 86
Sponsors and Collaborators
Karolinska Institutet