Somatoform Disorders Clinical Trial
Official title:
Dysfunctional Illness-related Cognitions in Individuals With Hypochondriasis and Change Thereof
This study will compare the efficacy of cognitive therapy and exposure therapy for treating hypochondriasis.
Hypochondriasis is defined as a preoccupation with the fear of having a serious disease
based on the person's misinterpretation of bodily symptoms (APA). For a long time
hypochondriasis was seen as difficult to treat. Meanwhile effective psychological treatment
for hypochondriasis exists. Psychotherapies using cognitive therapy (CT), cognitive
behavioral therapy (CBT), exposure therapy (ET) or behavioral stress management approaches
are effective in reducing symptoms of hypochondriasis. However, few studies compare
different types of psychotherapy. In addition, in these studies numbers of participants were
small, no differences between different treatments were found, and one third of the
participants showed no satisfactory change. This study will compare the efficacy of CT and
ET in a larger sample of 84 participants.
Participants in this randomized controlled trial (RCT) will first undergo baseline
assessment. Then they will be randomly assigned to either CT, ET or a waiting list (WL), all
conditions are for the duration of 12 weeks. CT includes psychoeducation, attention
training, cognitive restructuring, behavioral experiments, imagery rescripting and relapse
prevention. ET includes change of safety behavior, exposition (in sensu and in vivo), and
relapse prevention. Both treatment trials contain the identical number of sessions.
Treatment response will be assessed at week 12 and additionally one and three years after
treatment. Participants of the WL will be assigned to CT or ET after the waiting period.
;
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment
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