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Improving Depression Care for Elders: Coordinating Center (IMPACT)

This study has been completed.
The John A. Hartford Foundation
California HealthCare Foundation
Hogg Foundation
Robert Wood Johnson Foundation
Information provided by (Responsible Party):
Jurgen Unutzer, MD, MPH, University of Washington Identifier:
First received: March 20, 2012
Last updated: March 26, 2012
Last verified: March 2012
Purpose: To determine the effectiveness of the Improving Mood-Promoting Access to Collaborative Treatment(IMPACT) collaborative care management program for late-life depression.

Condition Intervention
Major Depression
Dysthymic Disorder
Both Major Depression and Dysthymic Disorder

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single Blind (Outcomes Assessor)
Primary Purpose: Treatment
Official Title: This Was a Five-year Seven-site Trial to Study the Cost-effectiveness of a Population Based Disease Management Program for Late Life Depression in Primary Care.

Further study details as provided by Jurgen Unutzer, MD, MPH, University of Washington:

Primary Outcome Measures:
  • Severity of depression symptoms
    Severity measured by the 21-item Hopkins Symptom Checklist.

Secondary Outcome Measures:
  • Functioning
    measured by the Sheehan Health-Related Functioning Index

Enrollment: 1801
Study Start Date: January 1999
Study Completion Date: June 2004
Primary Completion Date: June 2004 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: IMPACT Other: IMPACT
IMPACT is a collaborative care management program for late-life depression
Other Name: Improving Mood-Promoting Access to Collaborative Treatment
No Intervention: Care as Usual
Patients received all depression care available to them as part of care as usual in the participating primary care clinics.

Detailed Description:
This study tested an organized method of delivering care for late life depression in primary care. Specifically, the investigators evaluated the effectiveness of this intervention as compared to 'care as usual'. The investigators studied the effect of the intervention on clinical outcomes such as depressive symptoms, functional status, health related quality of life. They also determined the cost-effectiveness of the intervention compared to care as usual.

Ages Eligible for Study:   60 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All

Inclusion Criteria:

  • Major depression or dysthymia as diagnosed by a structured diagnostic interview.
  • Patient plans to receive primary care at the study clinic for the next year.

Exclusion Criteria:

  • Age under 60.
  • Current symptoms or history of psychosis or mania as determined by structured diagnostic interview.
  • Cognitive impairment as defined by a score less than 23 on a Mini Mental Status Examination.
  • Terminal illness - defined as having a life expectancy of less than 6 months.
  • Active alcohol abuse as determined by a screening interview.
  • High suicide risk as determined by current plan for suicide or a history of more than 3 prior suicide attempts in the past 10 years.
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Please refer to this study by its identifier: NCT01561105

Sponsors and Collaborators
University of California, Los Angeles
The John A. Hartford Foundation
California HealthCare Foundation
Hogg Foundation
Robert Wood Johnson Foundation
Principal Investigator: Jurgen Unutzer, MD, MPH University of Washington
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Jurgen Unutzer, MD, MPH, Professor and Vice-Chair of Psychiatry, Psychiatry and Behavioral Sciences, University of Washington Identifier: NCT01561105     History of Changes
Other Study ID Numbers: JAHF 98297
Study First Received: March 20, 2012
Last Updated: March 26, 2012

Additional relevant MeSH terms:
Depressive Disorder
Depressive Disorder, Major
Dysthymic Disorder
Pathologic Processes
Behavioral Symptoms
Mood Disorders
Mental Disorders processed this record on May 25, 2017