• Ming-Hui Tai, Jason Shepherd, Hollie Bailey, Nathan Williams, Maximilian Hatz, Ignasi Campos Tapias, David Catterick, and Gavin Worth.
• a Amgen Inc , Thousand Oaks , CA , USA.
• Curr Med Res Opin. 2019 May 1; 35 (5): 829-835.

ObjectiveProprotein convertase subtilisin/kexin type 9 antibody inhibitors (PCSK9i) are approved as adjuncts to maximal tolerated statin therapy to lower low-density lipoprotein cholesterol (LDL-C). This study describes real-world use, characteristics of PCSK9i users and non-users, and factors influencing treatment choice.MethodsA physician and patient survey was conducted in Germany, Spain, and the UK from December 2016 to April 2017 through the Adelphi Dyslipidemia Disease Specific Program. Physicians reported patients' lipid-lowering therapy (LLT) history and characteristics. PCSK9i users were systematically over-sampled. Results were summarized using frequencies and proportions.ResultsThe study included 110, 123, and 117 physicians from Germany, Spain, and the UK, respectively, providing data on 3,073 patients (mean age = 62 years; 60% male). Most patients (63-73%) had prior statin and/or ezetimibe use. Compared to patients receiving other LLT (n = 2686), PCSK9i users (222 in Germany, 97 in Spain, 68 in the UK) were, on average, 5-7.5 years younger and had LDL-C at diagnosis averaging 23-53 mg/dl higher. Familial hypercholesterolemia (FH), coronary heart/artery disease, myocardial infarction, and acute coronary syndrome were more common among PCSK9i users than non-users. PCSK9i users were also more likely to use high-intensity statins in their current LLT regimen (64-89% vs 28-50%). Physicians commonly reported PCSK9i benefits on LDL-C and total cholesterol as reasons for initiating these agents, and PCSK9i users reported good knowledge of cardiovascular disease and treatment options.ConclusionsResults indicate that physicians are prescribing PCSK9i to patients with high cardiovascular risk in accordance with European guidelines and reimbursement requirements.

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