Cognitive Behavioral Group Therapy for Trichotillomania (Hair Pulling Disorder)

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age16-67
SponsorOslo University Hospital

About this trial

This study aims at evaluating the effectiveness of group-based cognitive behavioral therapy for trichotillomania at three clinical sites in Norway.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Clinical diagnosis of Trichotillomania

Age between 16 and 67

Disqualifiers

schizophrenia spectrum disorder

substance addiction

severe antisocial, schizotypal, or paranoid personality disorder

severe eating disorder,

Trial population

Patients referred for treatment of trichotillomania (TTM)

Trial design

Design model

Case-only

Time perspective

Prospective

Treatments tested in this trial

  • Cognitive behavioral therapy

    Behavioral

    10 sessions Group therapy during 10-12 weeks. The first three sessions focus on habit reversal training, the fourth to sixth session on acceptance and commitment therapy and the last four sessions aims at integrating the two approaches.

Treatment groups

No treatment groups listed

Trial outcomes

Primary outcomes

1

Change in National Institute of Mental Health Trichotillomania Severity Scale (NIMH-TSS)

clinical interview

Time frame
baseline, 12 weeks, 12 months
2

Change in Massachusetts General Hospital - Hairpulling Scale (MGH-HS)

self-report

Time frame
baseline, 12 weeks, 12 months

Secondary outcomes

1

Change Patient Health Questionnaire-9 (PHQ-9)

self-report depressive symptoms

Time frame
baseline, 12 weeks, 12 months
2

Change General Anxiety Disorder Scale (GAD-7)

self-report anxiety symptoms

Time frame
baseline, 12 weeks, 12 months
3

Change Metacognition Questionnaire (MCQ-30)

self-reported metacognitions

Time frame
baseline, 12 weeks, 12 months
4

Change in Acceptance and Action Questionnaire for Trichotillomania

self-report

Time frame
baseline, 12 weeks, 12 months

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Oslo University Hospital

Lead sponsor

Sorlandet Hospital HF

Collaborator

St. Olavs Hospital

Collaborator

Texas A&M University

Collaborator

University of Michigan

Collaborator