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Completed

NCT Number: NCT04270825

Group Treatment for Hoarding Disorder

This study assesses the effectiveness of a novel group treatment for hoarding disorder.

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Key information

Conditions

Hoarding Disorder Anxiety Disorders Mental Disorders Obsessive-Compulsive Disorder

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Florida State University

Tallahassee, Florida, 32304, United States

About this study

The primary aim of this study is to investigate the effectiveness of a novel group treatment for hoarding disorder. Participants will be randomized to receive either treatment as usual (cognitive behavioral therapy: CBT) or treatment as usual augmented by interpersonal psychotherapy (IPT). It is hypothesized that group CBT with IPT will result in greater decreases in hoarding symptoms, as compared to standard group CBT. It is further hypothesized that CBT with IPT will result in greater reductions in object attachment and maladaptive beliefs about relationships with others, as well as greater increases in interpersonal attachment.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

-Clinical diagnosis of HD

Exclusion criteria

  • Evidence of a severe mental illness or substance use disorder that would impede the completion of the treatment
  • Current receipt of CBT for HD
  • Initiation of new psychotropic medications for symptoms of HD

Treatment and study plan

Group CBT with IPT

Behavioral

Group treatment designed to target relationships with both possessions and people.

Primary outcomes

  1. Changes in Hoarding Rating Scale (HRS)

    Time frame: Baseline, 10 weeks, 20 weeks, 24 weeks

    The Hoarding Rating Scale is a commonly used measure of hoarding symptoms in which participants rate the severity of their symptoms. Minimum score is 0 and maximum score is 40. Higher scores indicate more severe/worse symptoms.

  2. Changes in Reciprocal Attachment Questionnaire Adapted (RAQ-A)

    Time frame: Baseline, 10 weeks, 20 weeks, 24 weeks

    The Reciprocal Attachment Questionnaire Adapted assesses attachment to one's belongings, with higher scores indicating greater attachment to possessions (i.e., worse outcome). Minimum score is 75 and maximum score is 375.

  3. Changes in Adult Attachment Scale (AAS)

    Time frame: Baseline, 10 weeks, 20 weeks, 24 weeks

    The AAS is a measure of two dimensions proposed to underlie interpersonal attachment security: anxiety and avoidance. Higher scores indicate worse outcomes. Minimum score is 0 and maximum score is 72.

  4. Changes in Interpersonal Needs Questionnaire (INQ)

    Time frame: Baseline, 10 weeks, 20 weeks, 24 weeks

    The INQ is a measure of two interpersonal risk factors, namely perceived burdensomeness and thwarted belongingness, with higher scores indicating higher levels of each construct (i.e., worse outcome). Minimum score is 15 and maximum score is 105.

Sponsors and collaborators

Lead sponsor

Florida State University

Other

Registry information

Important dates

Study start
2019
Primary completion
2020
Study completion
2020
First posted
Feb 17, 2020
Registry last updated
Feb 10, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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