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Published on: January 28, 2020
PLAC test for identification of individuals at increased risk for coronary heart disease
Ron C Hoogeveen1, Christie M Ballantyne
1Baylor College of Medicine, Section of Atherosclerosis & Lipoprotein Research, Department of Medicine, Center for Cardiovascular Disease Prevention, Houston, TX 77030, USA. ronh@bcm.tmc.edu
Insights
Inflammation plays a key role in cardiovascular disease. A new blood test for lipoprotein-associated phospholipase A(2) (PLAC test) shows promise as a screening tool for identifying individuals at increased risk of coronary heart disease.
Area of Science:
- Cardiovascular Research
- Inflammatory Processes in Disease
- Biomarker Discovery
Background:
- Cardiovascular disease (CVD) etiology is increasingly linked to inflammatory processes.
- Novel inflammatory biomarkers are being identified for enhanced CVD risk screening.
- Lipoprotein-associated phospholipase A(2) (Lp-PLA2) is a key inflammatory marker.
Purpose of the Study:
- To review the development and efficacy of a new blood test for Lp-PLA2.
- To evaluate Lp-PLA2 as a predictive biomarker for cardiovascular disease risk.
- To identify the optimal patient population for this novel screening tool.
Main Methods:
- Review of recent scientific literature on Lp-PLA2 and cardiovascular risk.
- Discussion of the US Food and Drug Administration-approved PLAC test.
- Analysis of the predictive value of Lp-PLA2 for coronary heart disease risk.
Main Results:
- Lp-PLA2 is a validated inflammatory biomarker for cardiovascular risk.
- The PLAC test provides a measurable assessment of Lp-PLA2 levels.
- Evidence supports Lp-PLA2's role in predicting future cardiovascular events.
Conclusions:
- The PLAC test offers a valuable new tool for cardiovascular risk assessment.
- Targeted implementation can optimize the benefits of Lp-PLA2 screening.
- Further research may refine the role of Lp-PLA2 in personalized cardiovascular medicine.
Abstract:
Recent advances in cardiovascular research point to a critical role of inflammatory processes in the etiology of cardiovascular disease. This has led to the discovery of novel inflammatory biomarkers, which may be useful as additional screening tools for the identification of individuals at increased risk of coronary heart disease. One such novel inflammatory biomarker is lipoprotein-associated phospholipase A(2). This review discusses the recent development of a US Food and Drug Administration-approved blood test for lipoprotein-associated phospholipase A(2) (PLAC test, diaDexus, Inc.) and its efficacy as a predictive biomarker of risk for cardiovascular disease. More specifically, the article addresses the potential target group most likely to benefit from this new screening test and provides a prospective scenario for its implementation.
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