About 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 Topic
Criminal Justice Research and Solutions
Nowhere is the epidemic of substance abuse more apparent than in our criminal justice systems where approximately two-thirds of the people incarcerated meet criteria for substance abuse or dependence. TRI believes that public policy responses to this problem need to reflect the unique nature of the issues and problems that confront each drug-involved offender.
Check out an exclusive Q&A with TRI’s Dr. David Festinger and Dr. Karen Dugosh and learn more about our innovative research that offers solutions in criminal justice.
What’s Happening at TRI
TRI & The Partnership at Drugfree.org introduce tool to educate parents about the penalties of providing alcohol to teens
In an effort to combat underage drinking and ensure that parents have accurate information about the risks, TRI and The Partnership at Drugfree.org…
Report highlights connection between high school substance use and academic failure
In a Join Together article, Amelia Arria, PhD, Senior Scientist at TRI and Robert DuPont, MD, Director of the Institute of Behavioral Health discuss…
Tom McLellan discusses how ACA will impact substance abuse care
In continuing coverage of the impacts of the Affordable Care Act, Tom McLellan talks with the Associated Press about how the new health law will…




