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Pharmacy involvement in an oral anticancer management program: Drug acquisition and safety in an ambulatory comprehensive care center.

85 Background: Oral anticancer agents (OACA) offer benefits of convenience, flexibility and quality of life; however, similar to intravenous therapy, OACA can be prone to medication ordering errors, drug-interactions, and administration errors. Additionally, they carry unique challenges such as treatment delay due to acquisition barriers and errors related to self-administration and monitoring. An oral anticancer management program was implemented to address vulnerable aspects of the outpatient OACA medication use process. Pharmacy benefit specialists (PBS) assist with prior authorizations (PA) and drug acquisitions; while, clinical pharmacists perform medication assessments and patient education. Methods: A retrospective review of patients prescribed OACAs between January 1 - March 31, 2019 was performed. A review of all PAs facilitated by our PBS was conducted and included date of prescription, date of submission to insurance, and date of PA approval. An assessment of pharmacist interventions on the prevention of medication-related errors and toxicity was conducted and was defined by any clarification or recommendation regarding medication dose, administration instructions, drug interactions, symptom management, medication reconciliation, and/or medication monitoring. Results: A total of 567 PAs were processed. Twenty-eight PA requests were denied and 539 were approved. The average time to approval was 1.5 days (range 0-13 days). 299 of the 567 patients were prescribed a new OACA and were enrolled into our education program. Pharmacists educated 191 patients. Pharmacists intervened 175 times for the 191 patients counseled. Interventions included recommendations/clarifications for symptom management (21.5%), medication reconciliation (19.5%), drug administration (16.2%), drug interactions (13.6%), and medication monitoring (7.3%). Conclusions: Pharmacy staff can make a valuable contribution to drug acquisition and overall clinical care of patients receiving OACAs. Our PBS reduced delays in acquisition and clinical pharmacists minimized medication-related errors and toxicity.