- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02402647
Cognitive Rehab and Exposure Treatment for Hoarding (CREST)
Cognitive Rehabilitation and Exposure Therapy for Veterans With Hoarding Disorder
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Objective: The investigators propose to conduct a randomized controlled trial comparing six months (26 sessions) of Cognitive Rehabilitation and Exposure/Sorting Therapy (CREST) treatment to a robust comparator, six months of Exposure Therapy alone, in 136 participants with HD.
Research Design: Assessments will be administered at baseline, during treatment (sessions 7, 13, 21), post-treatment, and 3- and 6-month follow-up, thus, all participants will be enrolled for one year.
Methodology: The primary objective is to evaluate whether CREST significantly reduces hoarding symptoms and improves functional capacity and quality of life when compared to exposure therapy alone. The investigators will also examine the impact of treatment mediators; treatment adherence, changes in executive functioning, avoidance, symptom severity on outcomes. Age and executive functioning will also be explored as potential moderators. Finally, by repeatedly measuring treatment targets, the investigators will examine time to maximum treatment effect in an effort to understand mechanisms of change.
Clinical Relationships: By providing a treatment for many Veterans with HD, the investigators can alter the course of their symptom trajectory and negative consequences, resulting in both healthcare costs savings and improved quality of life for Veterans.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
California
-
San Diego, California, United States, 92161
- VA San Diego Healthcare System, San Diego, CA
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Veterans age 18-85
- Hoarding Disorder diagnosis outlined by the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5)6 as measured by the Structured Interview for Hoarding Disorder (SIHD)67
- HD as a primary diagnosis
- Stable on medications for at least 12 weeks, with no pharmacologic changes expected or made during the 12-month study
- Voluntary consent to participate
Exclusion Criteria:
Diagnosis of:
- psychotic disorder
- substance abuse disorder as measured by the Mini-International Neuropsychiatric Interview (M.I.N.I.)68
- Current or history of any neurodegenerative disease
- Active suicidal ideation
- Concurrent participation in psychotherapy or ET for HD, or prior history of CREST for HD
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: CREST
Compensatory Cognitive Training (CCT) is a manualized, low-tech, cognitive training intervention designed to target cognitive impairments common in people with psychiatric illness. The CCT modules specifically selected for CREST map onto known areas of HD neurocognitive deficits or weakness and include training in prospective memory, prioritizing, problem solving, planning, and cognitive flexibility. Symptoms of acquiring and saving are themselves avoidance behaviors that are performed to avoid internal distress related to negative thoughts and emotions. Avoidance serves to reduce distress related to the beliefs regarding the necessity and utility of possessions. In the CREST condition, the second part and the majority of treatment is dedicated to exposure therapy (ET) for discarding and not acquiring while in the control condition, the entire treatment will consist of ET. |
Compensatory Cognitive Training is a manualized, low-tech, cognitive training intervention designed to target cognitive impairments common in people with psychiatric illness. The CCT modules specifically selected for CREST map onto known areas of HD neurocognitive deficits or weakness and include training in prospective memory, prioritizing, problem solving, planning, and cognitive flexibility. Symptoms of acquiring and saving are themselves avoidance behaviors that are performed to avoid internal distress related to negative thoughts and emotions. Avoidance serves to reduce distress related to the beliefs regarding the necessity and utility of possessions. In the CREST condition, the second part and the majority of treatment is dedicated to exposure therapy (ET) for discarding and not acquiring while in the control condition, the entire treatment will consist of ET. |
Active Comparator: ET
The investigators propose to use a robust control condition, ET, with the same frequency and amount of therapist contact as CREST.
Twenty-six weekly, individual ET sessions (6 months) will be delivered.
The control group will receive ET for all 26 sessions and no cognitive training.
As in CREST, the ET sessions will be manualized and copies utilized during session by both the patient and therapist.
|
The investigators propose to use a robust control condition, ET, with the same frequency and amount of therapist contact as CREST.
Twenty-six weekly, individual ET sessions (6 months) will be delivered.
The control group will receive ET for all 26 sessions and no cognitive training.
As in CREST, the ET sessions will be manualized and copies utilized during session by both the patient and therapist.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Saving Inventory Revised
Time Frame: 6 months
|
Hoarding symptom severity (primary outcome) will be measured using the Savings Inventory-Revised (SI-R)56, a 23-item self-report measure used to assess common hoarding symptoms.
Subtests include excessive clutter, compulsive acquisition, and difficulty discarding.
The SI-R has demonstrated good internal consistency, divergent validity, concurrent validity, divergent validity, test-retest reliability in clinical samples with hoarding.
The total score will be used for analyses.
|
6 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
UCSD Performance-Based Skills Assessment (UPSA)
Time Frame: 6 months
|
The University of California, San Diego (UCSD) Performance-Based Skills Assessment (UPSA)76 is an assessment of everyday functioning skills involved in household chores (e.g., writing a shopping list based on a provided recipe), communication (e.g., rescheduling a doctor's appointment), finance (e.g., paying a utility bill), recreation planning (e.g., planning an outing to the beach or zoo), and transportation (e.g., reading comprehension of a bus schedule).
The UPSA has demonstrated high inter-rater reliability (0.91) and convergent validity with other performance-based measures.
The total UPSA summary score will be used for analyses.
|
6 months
|
UCSD SORT Test
Time Frame: 6 months
|
The UCSD SORT Test (U-SORT)77 will be used to measure Veteran participants' organizational skills as they relate to functional capacity.
During the administration of the U-SORT, participants are instructed to sort 42 household objects (e.g., bent and unbent paper clips, used and unused condiment packets) from a hypothetical "junk drawer" into either "keep" or "trash" piles.
Participants are given two minutes to complete the task and one point is awarded for each correctly sorted item, for a total of 42 points.
The U-SORT has high internal consistency (? = .86)
and adequate convergent validity.
The total U-SORT score will be used in analyses.
|
6 months
|
Specific Levels of Functioning test (SLOF)
Time Frame: 6 months
|
Self-reported functioning (secondary outcome) will be assessed with the Specific Levels of Functioning test (SLOF)78, a 43-item questionnaire regarding areas such as interpersonal relationships, participation in community activities, and work skills.
The SLOF has demonstrated excellent reliability and internal consistency.
|
6 months
|
Collaborators and Investigators
Investigators
- Principal Investigator: Catherine R Ayers, PhD, VA San Diego Healthcare System, San Diego, CA
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CLNA-005-14S
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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