NIDA-CTN-0101

Division
HEAL Study
Title
Subthreshold Opioid Use Disorder Prevention (STOP) Trial
Short Description
The Subthreshold Opioid Use Disorder Prevention (STOP) trial will test the efficacy of a primary care intervention to reduce opioid use and overdose risk, and prevent progression to OUD, in adults with unhealthy use of illicit or prescribed opioids
Release Date
Oct 27, 2025
Description
A cluster-randomized trial, conducted in 5 primary care sites, with 100 PCPs and 300adult primary care patients, will test the efficacy of STOP versus enhanced usual care (EUC). The STOP intervention, if proven efficacious, will provide a solution to preventing OUD among patients who are most at risk, thus addressing a key aspect of the current opioid crisis