- Conditions
- Opioid Use, Opioid-Related Disorders
- Interventions
- Prospective prior authorization (PA) with hard stops in Washington, Retrospective review (RR) with prescriber notification in Ohio
- Other
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 5,411 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 2
- States / cities
- Columbus, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced May 22, 2026, 1:34 AM EDT