CHICAGO — Lipoprotein(a) is a risk factor for cardiovascular disease you may not hear about in your annual physical. Like LDL, or “bad” cholesterol, too much of the LDL-like particle can create plaque that clogs arteries, creating potential blockages that lead to heart attacks or strokes. It’s also implicated in aortic stenosis, when the aortic valve narrows, pinching blood supply to the rest of the body.
But unlike cholesterol, Lp(a) does not surrender to statins or respond to a healthier lifestyle of improved diet and more physical activity. Its levels are determined by your genes, putting the estimated 1 in 5 people who have high levels at a two- or threefold higher risk than people without what’s called the most common genetic dyslipidemia. In the United States, that would mean 64 million people are at risk and 1.4 billion people worldwide.
At the American Heart Association’s scientific sessions Monday, researchers presented Phase 2 data on two treatments for elevated Lp(a): an oral drug called muvalaplin and an RNA-silencing injection called zerlasiran. Both studies were also published in JAMA and include several of the same co-authors, led by Steven Nissen of the Cleveland Clinic and Stephen Nicholls of Monash University.
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