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Cognitive Remediation for Neuropsychological Impairment in Compulsive Hoarding

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Hartford Hospital

Status and phase

Completed
Early Phase 1

Conditions

Hoarding Disorder
Attentional Impairment

Treatments

Behavioral: Cognitive Remediation
Behavioral: Control (Placebo)

Study type

Interventional

Funder types

Other

Identifiers

NCT01451697
DIMA003472HI

Details and patient eligibility

About

The primary aim of this pilot randomized controlled trial is to examine whether cognitive remediation, compared to a placebo, improves attention and related cognitive functions in patients with compulsive hoarding. The primary hypothesis is that compulsive hoarding patients who are treated with cognitive remediation will demonstrate improved cognitive skills at post-treatment compared to patients receiving placebo. This will be especially true of attention; memory and executive function skills may also be improved.

Full description

The primary aim of this pilot randomized controlled trial is to examine whether cognitive remediation, compared to a placebo, improves attention and related cognitive functions in patients with compulsive hoarding. Previous research has demonstrated that hoarders have diminished neuropsychological abilities, particularly in the areas of attention, memory, and executive function; and that cognitive remediation improves those functions in populations that are similarly impaired, such as in individuals with schizophrenia. The investigators will thus randomize 20 patients with compulsive hoarding to receive either cognitive remediation or a placebo condition. Before and after treatment, the investigators aim to assess the effects of cognitive remediation on neuropsychological functioning and hoarding severity. The primary specific aim is to examine whether cognitive remediation improves cognitive function in compulsive hoarders. The investigators hypothesize that compulsive hoarding patients who are treated with cognitive remediation will demonstrate improved cognitive skills at post-treatment compared to patients receiving placebo. This will be especially true of attention; memory and executive function skills may also be improved. A secondary, exploratory aim is to examine whether cognitive remediation improves hoarding severity, compared to placebo. The ultimate goal of this research is to determine the feasibility and appropriateness of pursuing larger-scale studies of the promising new approach of combining cognitive remediation with other treatments for compulsive hoarding-particularly cognitive-behavioral therapy (CBT).

Enrollment

20 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • be over 18 years of age,
  • have a current primary diagnosis of hoarding disorder
  • have no untreated and/or unstable concurrent psychiatric diagnoses
  • have a score on the ADHDSS that is one standard deviation or more above the mean
  • have an Attentional Composite score on the computerized battery of neuropsychological tests (Doniger, 2010) that is one standard deviation or more below the mean
  • be stable on all psychotropic medications during and up to four weeks preceding enrollment in the study

Exclusion criteria

  • currently taking any cognitive enhancers or stimulants
  • people with a history of Multiple Sclerosis, Traumatic Brain Injury, loss of consciousness lasting more than 5 minutes, seizures, dementia, or other organic brain-related disorders
  • current Alcohol or Substance Abuse and/or a history of Alcohol or Substance Dependence

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

20 participants in 2 patient groups, including a placebo group

Experimental: Cognitive Remediation
Experimental group
Description:
The remediation intervention will consist of a sequence of computerized cognitive exercises designed to improve a variety of aspects of attention, through repeated drill-and-practice (Bell, Bryson, Greig, Corcoran, \& Wexler, 2001; Bracy, 1995; Kurtz et al., 2007). Exercises will be started and continued at the highest level of difficulty, in order to best establish improvement over time. Components of the planned intervention produce performance gains on practiced tasks (e.g., Wexler et al., 1997) and generalization of improvement to other tasks (Kurtz et al., 2007). All training on computer exercises will be conducted with coaching from staff trained in these procedures.
Treatment:
Behavioral: Cognitive Remediation
Control (Placebo)
Placebo Comparator group
Description:
The placebo control condition will consist of structured relaxation training, which will involve viewing and participating with meditation and stress-reduction DVDs, and listening to and following a CD of Progressive Muscle Relaxation. Participants will benefit from learning stress reduction techniques in this condition, but will not exercise any of the cognitive domains of interest targeted in the treatment group.
Treatment:
Behavioral: Control (Placebo)

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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