Merck’s Enlicitide Decanoate, an Investigational Oral PCSK9 Inhibitor, Significantly Reduced LDL-C in Adults with Heterozygous Familial Hypercholesterolemia (HeFH) in Phase 3 CORALreef HeFH Trial

Enlicitide has the potential to be the first approved oral PCSK9 inhibitor designed to deliver antibody-like efficacy and help address critical unmet needs for patients with HeFH to help combat the ongoing CV epidemic

Results were presented today at AHA Scientific Sessions 2025 and simultaneously published in the Journal of the American Medical Association

RAHWAY, N.J., November 09, 2025--(BUSINESS WIRE)--Merck (NYSE: MRK), known as MSD outside of the United States and Canada, today announced the first presentation of results from the pivotal Phase 3 CORALreef HeFH trial demonstrating that treatment with enlicitide decanoate, an investigational, once-daily oral proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor, resulted in a statistically significant and clinically meaningful reduction in low-density lipoprotein cholesterol (LDL-C) of 59.4% compared to placebo at week 24 (95% CI: -65.6, -53.2; p