Collaborative Care Management of Late-Life Depression in the Primary Care Setting: A Randomized Controlled Trial

Published in the Journal of the American Medical Association. The IMPACT study is a multisite randomized controlled trial of a collaborative intervention program for late-life depression in primary care. Study protocols were developed in collaboration with all participating organizations, reviewed by a study advisory board, and approved by the institutional review boards at all sites and the study coordinating center. All participants gave written informed consent.