Very Early PCSK9 Inhibition for Acute Myocardial Infarction

Acute myocardial infarction (AMI) remains a major cause of morbidity and mortality, particularly in patients with multivessel coronary artery disease. Although primary percutaneous coronary intervention (PCI) has significantly improved short-term outcomes, these patients remain at high risk of recurrent cardiovascular events due to vulnerable non-culprit plaques. Coronary imaging techniques such as intravascular ultrasound (IVUS), optical coherence tomography (OCT), and angiography-derived indices (QFR, RWS) can identify high-risk lesions, but the optimal management strategy is still debated. Early and intensive lipid-lowering therapy has been shown to stabilize atherosclerotic plaques. PCSK9 monoclonal antibodies, in combination with statins, provide rapid and profound LDL-cholesterol reduction and may enhance plaque stabilization beyond standard therapy. Small imaging studies suggest favorable effects of PCSK9 inhibitors on fibrous cap thickness and lipid burden, but their impact on clinical outcomes in AMI patients with multivessel disease remains uncertain. This study aims to evaluate whether very early in-hospital administration of a PCSK9 inhibitor, in addition to standard care, can reduce major adverse cardiovascular events (MACE) over 12 months compared with standard lipid-lowering therapy alone. The trial will also explore imaging-based markers of plaque vulnerability and functional indices as secondary endpoints, in order to better understand the mechanisms linkin…

This description comes directly from the study's public registry record.

Wei Gao, PhD  ·  +8613661959824  ·  gao.wei1@zs-hospital.sh.cn

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