Pharmacist-driven epoetin alfa-epbx dosing for hospitalized patients

Link to article at PubMed

Am J Health Syst Pharm. 2023 Jan 21:zxad004. doi: 10.1093/ajhp/zxad004. Online ahead of print.


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PURPOSE: To determine the effectiveness of pharmacy consultation in managing epoetin alfa- epbx dosing for inpatients on hemodialysis.

METHODS: This multisite, retrospective cohort study evaluated the implementation of an initial dose consultation for epoetin alfa-epbx by pharmacists. A pre-post cohort study evaluated patients from August 2020 through January 2021 and August 2021 through January 2022, respectively. Hospitalized patients were included if they were at least 18 years of age, received hemodialysis, and were administered an erythropoiesis-stimulating agent (ESA) for anemia due to chronic kidney disease. Patients were excluded for religious objections to receiving blood products or if patients were discharged or died before their first hemodialysis session. The primary outcome was the average epoetin alfa-epbx acquisition cost per patient. Secondary endpoints were the epoetin alfa-epbx overall pharmacy purchasing cost, the average dose, and the number of administered doses. A subgroup analysis was performed for patients in the post group with an outpatient ESA before admission to determine the epoetin alfa-epbx days saved.

RESULTS: A total of 264 patients were included in the pre group, and 272 patients were included in the post group. The average acquisition cost was significantly lower in the post group ($1,681.77 vs $1,041.35, P < 0.0001). The overall pharmacy purchasing cost was also lower in the post group ($148,970.89 vs $127,873.25). The post group had a significantly lower average dose (13,694 vs 10,112 units, P = 0.0004), while the number of administered doses did not differ significantly between the groups (2.09 vs 1.79 doses, P = 0.0668). The subgroup analysis included 83 patients, which yielded 53 epoetin alfa-epbx days saved.

CONCLUSION: Pharmacist-driven ESA dosing was associated with significant decreases in ESA average acquisition cost and average total dose per patient.

PMID:36680797 | DOI:10.1093/ajhp/zxad004

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