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Cognitive Behavior Therapy vs Exposure in Vivo in the Treatment of Panic Disorder With Agoraphobia

R

Ruhr University of Bochum

Status

Terminated

Conditions

Panic Disorder With Agoraphobia

Treatments

Behavioral: Exposure in-vivo
Behavioral: Cognitive behavior therapy

Study type

Interventional

Funder types

Other

Identifiers

Details and patient eligibility

About

Panic disorder with agoraphobia is a prevalent and one of the most handicapping anxiety disorders. Although the efficacy of psychological treatment for panic disorder with agoraphobia has been the subject of a great deal of research, studies comparing cognitive-behavioral therapy and exposure in vivo have regularly been underpowered to detect small to moderate differences. Therefore, the primary purpose of the present study is to investigate if the combination of cognitive techniques with exposure in vivo is superior to the effects of exposure alone for patients with moderate to severe agoraphobia.

Full description

Anxiety disorders are the most common group of mental illnesses, with lifetime prevalence estimates ranging between 10-30% (Kessler et al 2007). They are an economic burden on society and the sixth largest cause of disability globally (Baxter et al 2014; Fineberg et al 2013). Suffering from an anxiety disorder is distressing, with affected individuals reporting adverse effects on quality of life comparable to sufferers of major depressive disorder, and in excess of the population norm (Mendlowicz and Stein 2000). Panic disorder with agoraphobia is especially prevalent and one of the most handicapping anxiety disorders.

Although the efficacy of psychological treatment for panic disorder with agoraphobia has been the subject of a great deal of research (Sanchez-Meca, Rosa-Alcazar, Marin-Martinez & Gomez-Conesa, 2010), studies comparing cognitive-behavioral therapy and exposure in vivo have regularly been underpowered to detect small to moderate differences.

Therefore, the primary purpose of the present study is to investigate if the combination of cognitive techniques with exposure in vivo is superior to the effects of exposure alone for patients with moderate to severe agoraphobia. Participants suffering from panic disorder, agoraphobia receive exposure-based treatment with elements of cognitive restructuring (CBT-group) or without such elements (Exposure-only group) delivered according to treatment manuals and in individual sessions with a maximum of 30 sessions á 50 minutes. Both treatments cover psychoeducation on the nature of anxiety and panic, interoceptive and intensified situational exposure exercises. In the CBT group identification and correction of maladaptive thoughts about anxiety and its consequences is furthermore part of the treatment package.

Enrollment

130 patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Diagnosis of panic disorder with agoraphobia by trained clinician using a structured interview
  • The anxiety disorder is considered to be the patient's main current problem
  • Age between 18 and 65 years
  • The patient has agreed to participate in the study

Exclusion criteria

  • Diagnosis of bipolar disorder, psychotic disorder, alcohol/substance abuse or dependency (within past 3 months), prominent risk of self-harm, organic mental disorder; concurrent psychotherapeutic or psychopharmacological treatment

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

130 participants in 2 patient groups

Cognitive behavior therapy
Active Comparator group
Description:
1. Identification of bodily sensations, cognitions and safety behaviors characteristic of the individual patient 2. Modification of dysfunctional beliefs and assumptions using socratic questioning and behavioral experiments 3. Exposure in-vivo 4. Relapse prevention
Treatment:
Behavioral: Cognitive behavior therapy
Exposure in-vivo
Active Comparator group
Description:
1. Preparation of a brief behavior analysis of the individual case and construction of a hierarchy of relevant (internal and external) phobic situations 2. Exposure with internal stimuli 3. Exposure with external stimuli 4. Relapse prevention Remark: In this condition there is no active work with the patient's catastrophic cognitions
Treatment:
Behavioral: Exposure in-vivo

Trial contacts and locations

1

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Central trial contact

Juergen Margraf, Prof. Dr.; Tobias Teismann, Dr.

Data sourced from clinicaltrials.gov

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