Trichotillomania: Group Cognitive-Behavioral Therapy

Phase 2

Completed

• Conditions: Trichotillomania
• Interventions: Other: Supportive therapy.; Behavioral: Cognitive-behavioral therapy.

• Registration Number: NCT01968343
• Lead Sponsor: University of Sao Paulo

Brief Summary

Objective: Trichotillomania is a psychiatric condition characterized by chronic pulling and plucking of one's own hair. Cognitive behavioral therapy shows promise as a treatment. However, there have been no randomized, controlled studies of the efficacy of group cognitive-behavioral therapy. Methods: We evaluated 44 subjects, whom met the criteria for a diagnosis of trichotillomania. Subjects were randomized to receive 22 sessions of either group cognitive-behavioral therapy or group supportive therapy (control).

Detailed Description

Not available

Basic Information
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Recruitment & Eligibility
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Study & Design
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Trial Locations

Study Timeline

• Study Start: 2008-01
• Primary Completion: 2010-12
• Study First Submitted: 2013-09-20
• Status Verified: 2013-10
• Study First Submitted QC: 2013-10-20
• Study First Posted: 2013-10-24
• Last Update Submitted: 2015-08-18
• Last Update Posted: 2015-08-19

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 44

Inclusion Criteria

• Patients having been diagnosed with trichotillomania according to Diagnostic and Statistical Manual of Mental Disorders IV (DSM-IV) criteria; being at least 18 years of age; and having had four or more years of schooling.

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Exclusion Criteria

• Patients that having been diagnosed with trichotillomania according to DSM-IV criteria; having less of 18 years of age; and having less of four years of schooling.
• Patients with a history of suicidal ideation,
• Patients with any clinical pathology requiring emergency treatment at admission,
• Patients with mental retardation or any other central nervous system disorder that severely impairs cognitive function,
• those with a psychotic disorder,
• those currently being treated with psychotropic drugs,
• those with any DSM-IV axis II diagnosis,
• those who scored ≤ 2 on the MGH-HPS in an initial screening.

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Group supportive therapy (control)	Supportive therapy.	22 subjects, all of whom met the criteria for a diagnosis of trichotillomania established in the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition. Subjects receive 22 sessions of group supportive therapy (control).
Group cognitive-behavioral therapy	Cognitive-behavioral therapy.	22 subjects, all of whom met the criteria for a diagnosis of trichotillomania established in the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition. Subjects receive 22 sessions of group cognitive-behavioral therapy.

Primary Outcome Measures

Name	Time	Method
Massachusetts General Hospital (MGH) Hairpulling Scale (HPS)	22 weeks	The MGH-HPS comprises seven self-report items that are scored on a Likert scale (0-4 points).22 Higher MGH-HPS scores correspond to greater severity of trichotillomania symptoms. Reference: Psychotherapy and Psychosomatic Journal 1995;64:141-5

Secondary Outcome Measures

Name	Time	Method
Beck Depression Inventory (BDI)	22 weeks	The BDI consists of 21 items, scored from 0 to 3, higher scores corresponding to greater severity of depression. It is a self-report measure of depression that is widely used in research and in clinical practice. Reference: Archives of General Psychiatry 1961;4:53-63.

Trial Locations

Locations (1)

Instituto de Psiquiatria da Universidade de São Paulo; 🇧🇷 São Paulo, Brazil