Changes in Nationwide Medicare and Medicaid Expenditures on Lipid-Lowering Therapies After PCSK9 Inhibitor Availability
2020
Abstract Background Several advances in lipid-lowering pharmacotherapy and changes in generic formulation availability occurred between 2013 and 2017. Objective We sought to examine nationwide trends in Medicare Part D and Medicaid expenditures on lipid-lowering therapies from 2013 to 2017. Methods We aggregated 662.2 million Medicare Part D and Medicaid prescription claims with associated expense data for 2013 to 2017 from the Medicare and Medicaid Drug Spending Dashboards for nine therapeutic classes of lipid-lowering therapies. Results Total Medicare Part D expenditures on lipid-lowering therapies was $7.01 billion in 2013 and $5.07 billion in 2017. Total Medicaid lipid-lowering therapy expenditures decreased from $440.9 million in 2013 to $398.7 million in 2017. Annual Medicare expenditures on Crestor were $2.2 billion in 2013 and $0.31 billion in 2017. Annual Medicaid Crestor expenditures decreased from $92.4 million in 2013 to $30.1 million in 2017. From 2013 to 2016, Medicare expenditures on Zetia decreased from $0.89 billion to $0.70 billion while Medicaid Zetia expenditures decreased from $38.6 million in 2013 to $25.4 million in 2017. In 2017, PCSK9 inhibitors accounted for $317.3 million and $14.2 million in Medicare and Medicaid expenditures, respectively. Conclusions Overall Medicare and Medicaid expenditures on lipid-lowering therapies decreased by $2.5 billion from 2013 to 2017.
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