NIDA Clinical Trials Network (CTN):  ABH® is contracted with Yale University to serve as the Administrative Data Coordinating Center for the New England Node of the Clinical Trials Network.  The goal of the CTN is to move evidence-based drug addiction treatments into community settings through close collaboration between substance abuse researchers and community treatment providers.  Through ABH®, Yale developed partnerships with twelve community treatment providers to implement CTN studies.  Key functions performed by ABH® include protocol coordination, partnering in the development of a data management system, detailed quality checks, training of research staff, and serving as the liaison between Yale University and the participating providers.