Try our beta test site
IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more...

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 ]
  • Health Anxiety Inventory [ Time Frame: 12 weeks after pre asessment ]
  • Health Anxiety Inventory [ Time Frame: 6 months after post assessment ]
  • Health Anxiety Inventory [ Time Frame: 12 months after post assessment ]

Secondary Outcome Measures:
  • IAS [ Time Frame: Immediately pre and post treatment,and 6 and 12 month follow up ]
  • BAI [ Time Frame: Immediately pre and post treatment, and 6 and 12 month follow-up ]
  • MADRS-S [ Time Frame: Immediately pre and post treatment, and 6 and 12 month follow-up ]
  • QOLI [ Time Frame: Immediately pre and post treatment, and 6 and 12 month follow-up ]
  • WI [ Time Frame: Immediately pre and post treatment, and 6 and 12 month follow-up ]

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   (Adult, Senior)
Sexes Eligible for Study:   All
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
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00828152

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