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.

Learn More

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.

Learn more here.

News Headlines

Treating Addiction As A Chronic Disease

With the opioid epidemic reaching into every corner of the U.S., more people are talking about addiction as a chronic disease rather than a moral failing. For researcher A. Thomas McLellan, who has spent his entire career studying substance abuse, the shift is a welcome one, though it has come frustratingly late. Listen to the…
Read More

Over time, watching the perception of addiction treatment change

With the country in the throes of a heroin epidemic, politicians on both sides are talking about the importance of addiction treatment, and of getting substance users help. WHYY talks with TRI Board Chair, Dr. Thomas McLellan, about the issue. Listen to the interview here.

Chasing Heroin

A searing, two-hour investigation places America’s heroin crisis in a fresh and provocative light — telling the stories of individual addicts, but also illuminating the epidemic’s years-in-the-making social context, deeply examining shifts in U.S. drug policy, and exploring what happens when addiction is treated like a public health issue, not a crime. TRI’s Dr. Thomas…
Read More