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Published on: November 10, 2017
Modern Approaches to Lower Lipoprotein(a) Concentrations and Consequences for Cardiovascular Diseases
Victoria A Korneva1, Tatjana Yurjevna Kuznetsova1, Ulrich Julius2
1Department of Faculty Therapy, Petrozavodsk State University, Lenin Ave. 33, 185000 Petrozavodsk, Russia.
Insights
Lipoprotein(a) (Lp(a)) is a cardiovascular risk factor. Current therapies offer limited Lp(a) reduction, but new treatments show promise for improving cardiovascular outcomes.
Area of Science:
- Cardiology
- Biochemistry
Background:
- Lipoprotein(a) (Lp(a)) is a key determinant of cardiovascular risk, possessing pro-atherogenic, pro-thrombotic, pro-inflammatory, and pro-oxidative properties.
- Standard lipid-lowering therapies are insufficient for reducing Lp(a) levels effectively.
Purpose of the Study:
- To review current and emerging strategies for reducing Lipoprotein(a) levels and mitigating cardiovascular risk.
- To highlight the limitations of traditional therapies and the potential of novel treatment modalities.
Main Methods:
- Review of existing literature on Lp(a) and cardiovascular disease.
- Analysis of data on PCSK9 inhibitors, inclisiran, lipoprotein apheresis, and novel Lp(a) synthesis inhibitors (antisense oligonucleotides, siRNA).
Main Results:
- PCSK9 inhibitors show a modest Lp(a) reduction associated with improved cardiovascular outcomes, independent of LDL cholesterol.
- Lipoprotein apheresis effectively lowers Lp(a) and improves prognosis in high-risk patients unresponsive to drug therapy.
- New drugs targeting apolipoprotein(a) synthesis are under investigation.
Conclusions:
- Effective reduction of Lp(a) is crucial for cardiovascular risk management.
- Novel therapeutic strategies, including genetic silencing and apheresis, offer promising avenues for Lp(a) lowering.
- Establishing target values for Lp(a) is essential for guiding treatment decisions.
Abstract:
Lipoprotein(a) (Lp(a)) is a low density lipoprotein particle that is associated with poor cardiovascular prognosis due to pro-atherogenic, pro-thrombotic, pro-inflammatory and pro-oxidative properties. Traditional lipid-lowering therapy does not provide a sufficient Lp(a) reduction. For PCSK9 inhibitors a small reduction of Lp(a) levels could be shown, which was associated with a reduction in cardiovascular events, independently of the effect on LDL cholesterol. Another option is inclisiran, for which no outcome data are available yet. Lipoprotein apheresis acutely and in the long run decreases Lp(a) levels and effectively improves cardiovascular prognosis in high-risk patients who cannot be satisfactorily treated with drugs. New drugs inhibiting the synthesis of apolipoprotein(a) (an antisense oligonucleotide (Pelacarsen) and two siRNA drugs) are studied. Unlike LDL-cholesterol, for Lp(a) no target value has been defined up to now. This overview presents data of modern capabilities of cardiovascular risk reduction by lowering Lp(a) level.
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