Patients with anemia and lower-risk myelodysplastic syndromes (MDS) in whom first-line erythropoiesis-stimulating agents (ESAs) are not effective generally become transfusion dependent. Luspatercept-aamt (Reblozyl), a recombinant fusion protein that binds transforming growth factor beta superfamily ligands to reduce SMAD2 and SMAD3 signaling, was approved by the FDA in November 2019 and has been studied in this patient population with promising results.
The discontinuation of oral oncology medications before the full-month supply has been finished results in medication waste, leading to increased costs for patients and for payers. Split fills allow for a 14- to 16-day supply for oral oncology medications rather than a full 28- to 30-day supply. Researchers compared the discontinuation rates, patient-reported adverse events, estimated pharmacy costs, and potential waste in patients with pharmacy benefit designs that included a split-fill option with patients who did not have this option (Staskon FC, et al. J Oncol Pract. 2019;15:e856-e862).
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