At a glance
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The Washington and Ohio Worker (WOW) Study: Comparing State Payer Strategies to Prevent Unsafe Opioid Prescribing
In Brief
An observational study evaluating Prospective prior authorization (PA) with hard stops in Washington and Retrospective review (RR) with prescriber notification in Ohio for Opioid Use and Opioid-Related Disorders. Completed, enrolled 5,411 participants across 2 sites.
Detailed Summary
This study examines the comparative effectiveness of opioid review programs in reducing unsafe opioid prescribing in two states: prospective prior authorization (PA) with hard stops in Washington and retrospective review (RR) with prescriber notification in Ohio.
Study Details
Timeline
Interventions
Under Washington regulatory procedures, payment for any opioid prescription billed beyond six weeks after the injury is denied unless the prescriber has submitted a checklist attesting to completion of all best practices from the regulations/guidelines.Thus, the Washington intervention is prospective and includes a "hard stop" subject to an insurer's decision based on regulatory authority.
In Ohio an automated report identifies new opioid prescriptions beyond the acute phase. Ohio Workers' Compensation pharmacy and clinical staff review the medical record at 12 weeks to determine whether best practices were met. If not, the prescriber is notified via letter, and cases are reviewed again at 16 weeks. If best practices have still not been met, the prescriber and worker are notified via letter that opioid coverage will end in 4 weeks. The Ohio program relies on retrospective chart review and communication of best practices to prescribers.