Internet Supported Group Cognitive Behavior Therapy (CBT) for Hoarding Disorder (HD)

Not Applicable

Completed

• Conditions: Hoarding Disorder
• Interventions: Behavioral: Cognitive behavior therapy; Behavioral: Internet support

• Registration Number: NCT02584764
• Lead Sponsor: Karolinska Institutet

Brief Summary

The primary aim is to develop, and test the feasibility and efficacy of, a manual based, cognitive behaviour therapy (CBT) treatment for Hoarding Disorder (HD) delivered in a group format combined with an Internet support system. The investigators' secondary aim is to investigate the neurocognitive profile of the participants before and after treatment in order to explore if the treatment might have an impact on neurocognitive functioning and if certain neurocognitive profiles predict outcome.

For the primary aim, the investigators hypothesize that the treatment will be acceptable to participants and decrease symptoms of hoarding. Regarding the secondary aim, the investigators hypothesize that deficiencies in executive functioning, as measured with a neurocognitive battery, will reduce upon completion of treatment and that baseline executive function will be associated with treatment outcome.

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: 2015-10
• Study First Submitted: 2015-10-13
• Study First Submitted QC: 2015-10-21
• Study First Posted: 2015-10-23
• Primary Completion: 2017-06
• Study Completion: 2017-06
• Status Verified: 2017-08
• Last Update Submitted: 2017-08-15
• Last Update Posted: 2017-08-18

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 20

Inclusion Criteria

Not provided

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Exclusion Criteria

Not provided

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Arm && Interventions

Group	Intervention	Description
CBT with Internet support	Internet support	16 sessions of Cognitive behavior therapy in group with Internet support between group sessions
CBT with Internet support	Cognitive behavior therapy	16 sessions of Cognitive behavior therapy in group with Internet support between group sessions

Primary Outcome Measures

Name	Time	Method
Saving Inventory - Revised (SI-R)	Change from baseline to treatment week 8,16, 3- and 12-month follow-up	The SI-R is a 23-item self-report questionnaire. It assesses hoarding symptoms in 3 sub-scales: difficulty discarding, clutter and excessive acquisition.

Secondary Outcome Measures

Name	Time	Method
Hoarding Rating Scale - Self Report (HRS-SR)	Weekly change during treatment, weeks 1-15	A 5-item self-report questionnaire assessing hoarding symptoms.
Global Assessment of Functioning (GAF)	Change from baseline to treatment week 8,16, 3- and 12-month follow-up	A scale used to rate the social, occupational, and psychological functioning of the study participants.
EuroQol- 5 Dimension (EQ-5D)	Change from baseline to treatment week 8,16, 3- and 12-month follow-up	A self-rating scale assessing quality of life i 5 dimensions.
Trimbos and Institute of Medical Technology Assessment Cost Questionnaire for Psychiatry (TIC-P)	Change from baseline to treatment week 8,16, 3- and 12-month follow-up	In this questionnaire, study participants register their monthly health care consumption (e.g. GP visits) as well as time spent in informal health enhancing activities (e.g. self-help groups and informal care from friends). Additionally, work loss and work cutback both at work and in the domestic realm is measured.
Clinical global impression (CGI)	Change from baseline to treatment week 8,16, 3- and 12-month follow-up	A 7 point scale to rate how much the patient's illness has improved or worsened relative to a baseline state at the beginning of the intervention.
Saving Cognitions Inventory (SCI)	Change from baseline to treatment week 8,16, 3- and 12-month follow-up	The questionnaire is a 24-item self-report questionnaire assessing beliefs and attitudes participants experience when trying to discard items. It is divided in 4 subscales:emotional attachment to objects, beliefs about objects as memory aids, responsibility for not wasting possessions, and the need for control over possessions.
Clutter Image Rating (CIR)	Change from baseline to treatment week 8,16, 3- and 12-month follow-up	This scale consists of three sets of photographs each containing nine photos of a single room with varying levels of clutter. Study participants will select the photograph that best resembles his or her own home. The study investigators will also conduct blinded ratings of the same photos.

Trial Locations

Locations (1)

Psykiatri Nordväst, Stockholms Läns Sjukvårdsområde (SLSO), Stockholms Läns Landsting; 🇸🇪 Stockholm, Sweden