Lipoprotein(a) and PCSK9 inhibition: Clinical evidence

Massimiliano Ruscica, Maria Francesca Greco, Nicola Ferri, Alberto Corsini

Research output: Contribution to journalArticlepeer-review

Abstract

Compelling evidence has emerged from epidemiological and Mendelian randomization analyses relative to the causality of lipoprotein(a) [Lp(a)] in atherosclerotic cardiovascular diseases (ASCVD), being elevated Lp(a) a strong risk factor regardless of the reduction of LDL-C achieved by statins. So far, no specific available agent can lower Lp(a) to the extent required to achieve a cardiovascular (CV) benefit, i.e. approximately 100 mg/dL. The most recent outcomes trial FOURIER with evolocumab showed that a 25 nmol/L (12 mg/dL) reduction in Lp(a) corresponded to a 15% decrement in the relative risk of cardiovascular disease. The ODYSSEY OUTCOMES trial with alirocumab has been the first demonstrating that a reduction in Lp(a) associates with less major adverse cardiovascular events (MACE), i.e. hazard ratio: 0.994 per 1 mg/dL decrement in Lp(a). The Lp(a) lowering effect driven by PCSK9 inhibition was confirmed in carriers of PCSK9 loss-of-function mutations in which Lp(a) and oxPL-apoB levels were decreased compared to non-carriers as was for a slight larger number of apo(a) Kringle IV repeats. Although PCSK9 inhibitors are not able to decrease Lp(a) to the extent required to achieve a CV benefit, their use has led to a higher discontinuation rate in lipoprotein apheresis in patients with progressive ASCVD and high plasma Lp(a).

Original languageEnglish
Pages (from-to)L53-L56
JournalEuropean Heart Journal, Supplement
Volume22
DOIs
Publication statusPublished - 2020

Keywords

  • FOURIER
  • Lipoprotein(a)
  • ODYSSEY OUTCOMES
  • PCSK9

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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