Nearly two-thirds of individuals with atherosclerotic cardiovascular disease (ASCVD) do not reach target low-density lipoprotein cholesterol despite statin therapy. Three novel lipid-lowering therapies have proven to further reduce ASCVD beyond statins, including: ezetimibe, proprotein convertase subtilisin/kexin type 9 inhibitors (PCSK9i), and icosapent ethyl. This study evaluated the use of these three agents in 728,423 individuals with ASCVD from 89 US health systems from 01/2018 through 03/2021 using the electronic health record. As of 2021, only 6.0% of ASCVD patients were on ezetimibe, 1.6% were on a PCSK9i, and 1.3% on icosapent ethyl, with utilization only marginally increasing over the study period. Addressing the underutilization of non-statin lipid-lowering therapy for secondary prevention is a critical step in improving the treatment gap of patients with residual risk of ASCVD.
Keywords: Anticholesterolemic agents; Atherosclerosis; Cardiovascular disease; LDL; Lipid; Secondary prevention.
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