Objective: To determine whether employing the services of a pharmacy liaison to promote medication adherence (usual care), relative to a pharmacy liaison with training in motivational interviewing and as a patient navigator who systematically screens for health-related social needs and provides targeted navigation services to connect patients with appropriate community resources in partnership with a community-based organization (enhanced usual care), will reduce inpatient hospital admissions and emergency department visits among patients who are members of a Medicaid ACO and receive primary care at a large urban safety-net hospital.
Background: Prior studies have demonstrated only modest effects in reducing utilization among safety-net patient populations. Interventions that address health-related social needs have the potential to reduce utilization in these populations.
Design/methods: Assignment to treatment condition is by medical record number (odd vs. even) and is unblinded (NCT03919084). Adults age 18-64 within the 3rd to 10th percentile for health care utilization and cost among Medicaid Accountable Care Organization membership attending a primary care visit in the general internal medicine practice at Boston Medical Center enrolled.
Discussion: Our study will advance the field in two ways: 1) by providing evidence about the effectiveness of pharmacy liaisons who also function as patient navigators; and 2) by de-implementing patient navigators. Patients in the enhanced usual care arm will no longer receive the services of a clinic-based patient navigator. In addition, our study includes a novel collaboration with a community-based organization, and focuses on an intermediate-cost patient population, rather than the most costly patient population.
Keywords: Accountable care organization; Health-related social needs; Medication adherence; Pharmacy programs; Pragmatic trial; Social determinants of health.
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