Treatment Research Institute


collaborationAbout Us

Founded by the same researchers who developed the Addiction Severity Index, the Treatment Research Institute is an independent, nonprofit research and development organization dedicated to science-driven reform of treatment and policy in substance use.

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Featured Topics

Now Accepting Applications for Behavioral Research Scientists and Policy Experts

TRI is seeking behavioral research scientists and policy experts at various stages of their career committed to the creation, evaluation, and dissemination of science-based, practical applications to address addiction.

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News Headlines

Leading Researchers Offer Further Insight Into Brain Disease Model of Addiction

In a new article published today in The New England Journal of Medicine, leading addiction researchers, Dr. A. Thomas McLellan, Treatment Research Institute Co-founder and Board Chair; Dr. Nora Volkow, National Institute on Drug Abuse Director; and Dr. George Koob, National Institute on Alcohol Abuse and Alcoholism Director, present scientific advances in the prevention and treatment…
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For Teenagers, Adult-Sized Opioid Addiction Treatment Doesn’t Fit

Lack of effective treatment in the teen years can blight an entire life. “When substance use disorders occur in adolescence, they affect key developmental and social transitions, and they can interfere with normal brain maturation,” the National Institute on Drug Abuse reported in 2014. “These potentially lifelong consequences make addressing adolescent drug use an urgent…
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