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A collaborative care intervention improved depression outcomes, but not glycaemic control, in diabetes and comorbid depression

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Q In patients with diabetes mellitus and comorbid major depression or dysthymia, does a pathways collaborative care intervention (PCCI) for depression improve both depression and glycaemic control outcomes?


Embedded ImageDesign:

randomised controlled trial.

Embedded ImageAllocation:


Embedded ImageBlinding:

blinded (outcome assessors).

Embedded ImageFollow up period:

12 months

Embedded ImageSetting:

9 Group Health Cooperative primary care clinics in western Washington, USA.

Embedded ImagePatients:

329 ambulatory patients (mean age 58 y, 65% women) with diabetes mellitus and comorbid major depression or dysthymia. Exclusion criteria included care from a psychiatrist, confusion suggestive of dementia, or a diagnosis of bipolar disorder or schizophrenia.

Embedded ImageIntervention:

a PCCI …

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  • * Information provided by author.

  • For correspondence: Dr W J Katon, University of Washington School of Medicine, Seattle, WA, USA.

  • Source of funding: National Institute of Mental Health Services Division, Bethesda, MD.