Does access to free medication reduce health system costs? An evaluation of the Dispensary of Hope program

JOURNAL OF MANAGED CARE & SPECIALTY PHARMACY(2023)

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摘要
BACKGROUND: Cost-related medication nonadherence-when patients fail to take medication as prescribed because of the cost of the medication-has numerous consequences: more hospitalizations, avoidable deaths, and greater health care expenditures. Dispensary of Hope is a charitable medication access program that collects and distributes pharmaceuticals to pharmacies to dispense free of charge to patients with no insurance, low incomes, and chronic conditions.OBJECTIVE: To estimate the differences in medical costs and utilization of hospital patients enrolled in the Dispensary of Hope program relative to those who were not enrolled.METHODS: We used administrative claims data from 2 health systems participating in Dispensary of Hope to identify those in the program and a comparison group, respectively. Claims data included emergency department (ED) encounters, inpatient encounters, costs, and prescriptions. Health system 1 (HS1) data began July 1, 2016, and ended December 31, 2019; health system 2 (HS2) data ran from March 10, 2014, to December 31, 2019. Program enrollment dates (index dates) were identified via program registration or prescription fills. We propensity score weighted a comparison population from HS1 and HS2, respectively, to match program patient demographic and comorbidity characteristics. We estimated changes in costs, ED visits, inpatient stays, and primary care sensitive ED visits over time between the 2 groups (difference -in-difference) over 18 months preenrollment and postenrollment.RESULTS: HS1 comparison (n = 6,714) and Dispensary of Hope (n = 880) groups were balanced on age, sex, race and ethnicity, and comorbidities; both populations were approximately 46 years old, 43% female, 64% White, with an average of 3.0 comorbidities. The HS2 samples were almost 50 years old and a majority female (56%) and Black (55%). Per-person annual costs at HS1 decreased by $3,161 (P < 0.05) more in the Dispensary of Hope group than in the comparison group from the preenrollment to the postenrollment period. Inpatient stays decreased by 200 stays per 1,000 patients per year (P = 0.02) and ED visits increased by 0.32 (P < 0.01) on a yearly basis relative to the comparison group. Primary care sensitive ED visits increased over the period. No results were statistically significant in HS2.CONCLUSIONS: We found substantial reductions in costs and inpatient stays for Dispensary of Hope HS1 participants, and we did not find significant results at HS2. Differences between the health sys-tems or patient populations could explain these varying results. Our study represents a rigorous, multistate evaluation that highlights the impact of a charitable medication access program on hospital utilization for the medically underserved population.
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关键词
free medication,health system costs,dispensary
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