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The Effect of PCSK9 Monoclonal Antibodies on Platelet Reactivity and Cardiovascular Events in Patients Receiving Primary Percutaneous Coronary Intervention: A Propensity Score-Matched Analysis.
Am J Cardiovasc Drugs
January 2025
Department of Pharmacy, Zhongshan Hospital, Fudan University, Shanghai, China.
Background: Proprotein convertase subtilisin/kexin type 9 (PCSK9) monoclonal antibodies (mAbs) have demonstrated promising effects in lowering cardiovascular incidents among patients with acute coronary syndrome. However, their influence on early platelet reactivity after primary percutaneous coronary intervention (PPCI) remains unclear.
Objectives: This research sought to investigate the effects of entirely human anti-PCSK9 antibodies on platelet function as measured by thrombelastography and 12-month postoperative results in patients receiving PPCI and treated with ticagrelor-based dual antiplatelet therapy.
Mechanisms underlying the effects of the conditional knockdown of hepatic PCSK9 in attenuating lipopolysaccharide-induced acute liver inflammation.
Int J Biol Macromol
December 2024
Institute of Lipid Metabolism and Atherosclerosis, School of Pharmacy, Shandong Second Medical University, Weifang 261053, China. Electronic address:
Proprotein convertase subtilisin/kexin type 9 (PCSK9) is known to promote hyperlipidemia primarily by inducing the degradation of the low-density lipoprotein receptor. Notably, recent studies have demonstrated that PCSK9 promotes inflammation in the vascular system, however, the roles of PCSK9 in hepatic inflammation remain unclear. As PCSK9 is primarily expressed in the liver, this study aimed to elucidate the roles of PCSK9 and the underlying mechanisms in lipopolysaccharide (LPS)-challenged hepatocytes.
View Article and Find Full Text PDFAlirocumab and chest pain after acute coronary syndrome: An analysis of ODYSSEY OUTCOMES.
Am J Prev Cardiol
December 2024
Regeneron Pharmaceuticals, Inc., Tarrytown, NY, USA.
Background: Patients with recent acute coronary syndrome (ACS) commonly experience chest pain, which affects quality of life even when not due to recurrence of ACS. This post hoc analysis of ODYSSEY OUTCOMES assessed the effect of alirocumab, a proprotein convertase subtilisin/kexin type 9 inhibitor, on the incidence of chest pain not due to recurrent ACS.
Methods: Patients with recent ACS ( = 18,894) and elevated atherogenic lipoprotein levels despite optimized statin therapy were randomized to subcutaneous alirocumab or matching placebo every 2 weeks.
Association of Lipoprotein(a) With Changes in Coronary Atherosclerosis in Patients Treated With Alirocumab.
Circ Cardiovasc Imaging
November 2024
Department of Cardiology, Bern University Hospital, Inselspital (K.C.K., J.H., Y.U., T.O., H.S., R.K., F.P., M.A., J. Lanz, S.W., L.R.), University of Bern, Switzerland.
Background: Elevated Lp(a) (lipoprotein[a]) is a risk marker for atherosclerotic disease, but the underlying mechanisms remain elusive. We examined the association of Lp(a) with changes in coronary atherosclerosis following intensive lipid-lowering therapy.
Methods: In the PACMAN-AMI trial (Effects of the PCSK9 Antibody Alirocumab on Coronary Atherosclerosis in Patients With Acute Myocardial Infarction), 300 patients with acute myocardial infarction were randomized to receive biweekly alirocumab 150 mg or placebo in addition to high-intensity statins.
Rationale for Early Administration of PCSK9 Inhibitors in Acute Coronary Syndrome.
Rev Cardiovasc Med
October 2024
Department of Medical and Surgical Sciences, Division of Cardiology, "Magna Graecia" University, 88100 Catanzaro, Italy.
Acute coronary syndromes (ACSs) represent a significant global health challenge arising from atherosclerotic cardiovascular disease (ASCVD), with elevated low-density lipoprotein cholesterol (LDL-C) levels being a primary contributor. Despite standard statin therapy, individuals with ACS remain at high risk for recurrent cardiovascular events, particularly in the initial post-ACS period. Monoclonal antibodies targeting proprotein convertase subtilisin/kexin type 9 (PCSK9), such as evolocumab and alirocumab, offer a potential strategy to reduce LDL-C levels further and mitigate this residual risk.
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