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Phase 2 Data Support Muvalaplin for Lowering Lp(a), with Stephen Nicholls, MBBS, PhD

Key Takeaways

  • Muvalaplin, an oral agent, significantly reduces Lp(a) levels, addressing an unmet need in cardiovascular disease management.
  • The KRAKEN trial demonstrated placebo-adjusted Lp(a) reductions of up to 85.8% with muvalaplin at 240 mg.
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Stephen Nicholls, MBBS, PhD, provides additional insight into KRAKEN trial data and the potential of muvalaplin.

New findings from the KRAKEN trial highlight the potential of muvalaplin, an oral treatment, for lowering lipoprotein (a) [Lp(a)] levels in adults with elevated Lp(a) and high cardiovascular risk.

Presented at the American Heart Association (AHA) Annual Scientific Sessions 2024, the trial represents the first evidence of an oral agent for lowering Lp(a), according to trial sponsor Eli Lilly and Company.

“High levels of Lp(a) have been shown to be a significant risk factor for atherosclerotic cardiovascular disease, affecting over one billion adults globally," said principal investigator Stephen J. Nicholls, MBBS, PhD, director of the Victorian Heart Hospital and Institute, and professor of cardiology at Monash University, Australia. "Current cholesterol-lowering therapies are not approved to lower Lp(a) levels, highlighting an unmet need for people living with cardiovascular disease. These data represent a needed scientific advancement with the potential to reduce the risk of cardiovascular events such as heart attacks or strokes with a once-daily pill."

A 12-week, double-blind, placebo-controlled, phase 2, 233-patient trial conducted in 43 sites across 5 countries, KRAKEN was designed to assess the efficacy and safety of muvalaplin at doses of 10 mg/d, 60 mg/d, or 240 mg/d. The trial’s primary endpoint, placebo-adjusted percentage change in Lp(a) levels, was assessed using intact Lp(a) and apolipoprotein(a)-based assays.

For inclusion in the trial, patients were required to have Lp(a) levels of at least 175 nmol/L and a history of atherosclerotic cardiovascular disease, diabetes, or familial hypercholesterolemia.

At 12 weeks, placebo-adjusted reductions in Lp(a) using the intact assay were 47.6% (95% CI, 35.1% to 57.7%), 81.7% (95% CI, 78.1% to 84.6%), and 85.8% (95% CI, 83.1% to 88.0%) with muvalaplin 10 mg, 60 mg, and 240 mg doses, respectively. Using the apo(a)-based assay, the corresponding reductions were 40.4% (95% CI, 28.3% to 50.5%), 70.0% (95% CI, 65.0% to 74.2%), and 68.9% (95% CI, 63.8% to 73.3%). Secondary endpoints showed reductions in apolipoprotein B levels, while high-sensitivity C-reactive protein remained unchanged.

For more on the trial and the potential of muvalaplin, check out our interview with Nicholls from the floor of AHA 2024.

Relevant disclsoures for Nicholls include Amgen, Eli Lilly, Novartis, Sanofi-Regeneron, Silence Therapeutics, and others.

References:

  1. Nicholls SJ, Ni W, Rhodes GM, et al. Oral Muvalaplin for Lowering of Lipoprotein(a): A Randomized Clinical Trial. JAMA. Published online November 18, 2024. doi:10.1001/jama.2024.24017
  2. Eli Lilly and Company. Lilly’s muvalaplin lowered lipoprotein(a) levels in adults with high risk for cardiovascular events by up to 85% at highest tested dose. Eli Lilly and Company. November 18, 2024. Accessed November 18, 2024. https://investor.lilly.com/news-releases/news-release-details/lillys-muvalaplin-lowered-lipoproteina-levels-adults-high-risk.
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