Overdose Recovery and Care Access (ORCA) Qualitative Stakeholder Interviews and County-level Data

Opioid Use, Opioid Use Disorder

opioid overdose, opioid poisoning, harm-reduction, sub-acute stabilization

The study is a quasi-experimental investigation of a sub-acute stabilization center (SASC) for people who have had or are at risk for having an opioid overdose and have an encounter with Seattle Fire Department emergency medical services (EMS) in Seattle, WA. Those transported to the SASC are the intervention participants and two comparison groups will be utilized: eligible Seattle EMS patients who opt not to go to the SASC and King County residents, outside of Seattle, who meet the same eligibility criteria. A comparative interrupted time series analysis is planned to study the main effectiveness outcomes. Seattle Fire EMS will assess, refer, and arrange transport for participants to the SASC. The SASC will offer an array of services including post-overdose monitoring, utilization of buprenorphine and methadone for the treatment opioid use disorder and opioid withdrawal, linkage to ongoing care for OUD, and provision of harm reduction services and supplies. The length of stay in the SASC will be limited to less than 24 hours. A continuous process improvement (CPI) approach will monitor and refine the intervention. Characterization of the interventions will be based upon analysis of service utilization patterns over time along with interviews and surveys with stakeholders.

1. Clinical Intervention * We will be conducting a quasi-experimental study of a new sub-acute stabilization center (SASC) for those at high risk or who have had an opioid overdose to which Seattle Fire/EMS refer. All eligible people at risk or post OD who encounter Seattle Fire/EMS will potentially be offered the intervention, and those interested and transported will be considered study participants, there is no study assignment (anticipated n=5,495). * Comparison groups will be identified from secondary EMS records data for Seattle (anticipated n=7,223) and the remainder of King County, WA (anticipated n=11,550). * People 18 and older who EMS encounter who have had or are at high risk for any opioid overdose and meet clinical inclusion criteria. * SASC services will be provided by Downtown Emergency Service Center's Overdose Recovery and Care Access Centers: * 515 Third Avenue, Seattle, WA 98104 * 517 Third Avenue, Seattle, WA 98104 * 1600 South Lane Street Seattle, WA 98144 2. Implementation research interviews with professional stakeholders * We will be conducting repeated cross-sectional interviews with professional stakeholders about the implementation of the SASC and CPI activities. * Participants will be 18 or older and include people such as: CPI meeting attendees, EMS personnel, and SASC staff (n=60). * It is anticipated that stakeholder interviews will be conducted virtually via video conferencing with study team members. 3. Implementation research surveys with people with lived experience of drug use * We will be utilizing a combination of data sources. Initially in-person interview data from the 1R01DA059011-01 study (Van Draanen, PI) will be utilized for analyses. * Participants from the Van Draanen study will be 18 or older who have have survived a non-fatal opioid overdose and had an emergency medical service interaction or intervention (n=80). * If needed, we will also, subsequently conduct repeated cross-sectional surveys with people with lived experience of drug use about their experiences and perceptions of the SASC. Final procedures will be determined in collaboration with our community partner the Lived Expertise Advisory Board.

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