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Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
2024 KSoLA Update on New Lipid-Lowering Agents: Inclisiran and Bempedoic Acid
Hack-Lyoung Kim1, Jung-Joon Cha2, Sang-Hak Lee3
1Division of Cardiology, Department of Internal Medicine, Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea.
Inclisiran and bempedoic acid are novel non-statin therapies that effectively lower LDL cholesterol. Inclisiran reduces LDL-C by 50%, while bempedoic acid offers a 17-21% reduction with fewer muscle side effects.
Area of Science:
- Cardiovascular Medicine
- Pharmacology
Background:
- Inclisiran and bempedoic acid are emerging non-statin lipid-lowering agents approved in the US and Europe.
- These agents offer alternative or adjunctive strategies for managing hyperlipidemia, particularly for patients with statin intolerance or contraindications.
Purpose of the Study:
- To review the mechanisms of action, efficacy, safety, and clinical applications of inclisiran and bempedoic acid.
- To compare their roles in primary and secondary cardiovascular prevention.
Main Methods:
- Inclisiran: Small interfering RNA targeting PCSK9 mRNA, delivered via lipid nanoparticles for hepatic uptake.
- Bempedoic acid: Oral inhibitor of adenosine triphosphate-citrate lyase (ACL), reducing hepatic cholesterol synthesis.
Main Results:
- Inclisiran demonstrated a 50% reduction in LDL-C in Phase 3 trials with an acceptable safety profile; clinical outcome data are pending.
- Bempedoic acid lowered LDL-C by 17%-21% and showed clinical benefit in statin-intolerant patients, with a modest increase in gout and cholelithiasis incidence.
Conclusions:
- Inclisiran and bempedoic acid represent valuable additions to the lipid-lowering armamentarium, offering distinct mechanisms and efficacy profiles.
- They are recommended as non-first-line agents for cardiovascular prevention, often after or in combination with statins, considering patient-specific factors and tolerability.
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