In the largest treatment trial for depression to date, a team of researchers led by Dr. Jürgen Unützer followed 1,801 depressed, older adults from 18 diverse primary care clinics across the United States for two years.
This study looks at the effect that integrated care, specifically IMPACT, has on depressed patients with cancer in the primary care setting.
These slides describe the results, methods, and Collaborative Care model used in the original IMPACT Study.
This list of articles includes factors influencing depression severity, treatment, and effectiveness of IMPACT in various subgroups of patients as well as patient and physician satisfaction with IMPACT.
A list of articles summarizing the primary results from the IMPACT study.
This list of articles describe the IMPACT program, the roles of various healthcare professionals in IMPACT, and the process of implementing IMPACT in the primary care clinics participating in the randomized trial.
This is a list of articles focusing on research methods used in the IMPACT trial, including screeners and scales used to measure.
This reference list contains selected adaptations of the IMPACT trial.
This handout shows the differences between the two types of care given in the IMPACT trial, usual care and collaborative care.
A study that describes physicians' satisfaction with care for patients with depression before and after the implementation of a primary care-based collaborative care program.