• Arman Qamar and Peter Libby.
• TIMI Study Group, Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
• Curr Cardiol Rep. 2019 Jun 27; 21 (8): 77.

Purpose Of ReviewRecent advances in low-density lipoprotein cholesterol (LDL-C) lowering therapy have now enabled reducing LDL-C safely to very low levels. This review summarizes evidence from recent randomized clinical trials of intensive LDL-C lowering in patients with acute coronary syndrome (ACS) and provides a practical approach for LDL-C lowering to reduce the risk of recurrent ischemic events in this population.Recent FindingsThe risk of atherothrombotic events falls linearly with LDL-C level extending to very low achieved LDL-C levels (< 10 mg/dL) without apparent safety concerns. The addition of ezetimibe or proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors (i.e., evolocumab or alirocumab) to statin therapy lowers LDL-C to very low levels (≤ 30-50 mg/dL) with safety under the conditions studied and reduces the risk of recurrent cardiovascular events in patients with atherosclerotic cardiovascular disease. Current data support LDL-C lowering to levels below 70 mg/dL in patients post-ACS. Combination of high-intensity statins, ezetimibe, and if needed PCSK9 inhibitors merits consideration in such patients with ACS to optimize outcomes.

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