Integrated Dual Disorder Treatment (IDDT): An Overview of the Evidence-Based Practice

This six-page booklet is designed as an at-a-glance overview of Integrated Dual Disorder Treatment (IDDT), the evidence-based practice for people with co-occurring mental illness and substance-use disorders. The tri-fold format presents the IDDT model on six easy-to-read panels, which makes this an ideal tool for the following:

  • Staff recruitment, orientation & education
  • Building consensus for integrated treatment within organizations and among multiple systems of care in your community
  • Inspiring collaboration among multiple systems of care and multiple professional disciplines
This booklet is designed for those who are interested in improving the outcomes of services for people with co-occurring disorders, including the following:
  • Administrators in service organizations
  • Policymakers (e.g., national, state, regional, and county government; charitable foundations)
  • Service providers
  • Community stakeholders
  • Advocates (e.g., advocacy organizations, consumers, family members)
  • Consultants/providers of technical assistance
This booklet is sometimes referred to as the "IDDT Overview" or "the tri-fold."


  • 6-page booklet
  • 8.5" (w) x 11" (h)
  • Tri-fold format
  • Commercially printed
  • At-a-glance overview of IDDT
  • Over 10,000 copies printed and distributed
  • Free PDF available (see right column)


Integrated Dual Disorder Treatment (IDDT), the evidence-based practice, was developed and is studied by researchers at the Dartmouth Psychiatric Research Center of Dartmouth Medical School in Lebanon, New Hampshire. The researchers include Robert E. (Bob) Drake, MD, PhD; Kim T. Mueser, PhD; and their colleagues. More information about IDDT is available on this website.


Title: Integrated Dual Disorder Treatment (IDDT): An Overview of the Evidence-Based Practice
Author(s): Paul M. Kubek, Ric Kruszynski & Patrick E. Boyle
Publication Year: 2003
Publisher City: Cleveland, Ohio
Publisher Name: Center for Evidence-Based Practices, Case Western Reserve University
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