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Peptide

Enlicitide

First oral PCSK9 inhibitor in pill form. Lowers LDL cholesterol in adults with hypercholesterolemia, including heterozygous familial hypercholesterolemia.
Regulatory status
Approved (FDA / EMA)
Family
Oral PCSK9 inhibitor (macrocyclic peptide)
Scientific evidence
High
Number of findings
1
Where it acts
Heart and blood
Also known as
enlicitide, enlicitide decanoate, MK-0616, Lipfendra

Regulatory status

FDA (US): Approved (July 2026, Lipfendra) to lower LDL cholesterol, alongside diet and exercise, in adults with hypercholesterolemia, including heterozygous familial hypercholesterolemia.

EMA (EU): Not approved (no authorization in the EU as of October 2026).

Dose

20 mg orally once a day (FDA 2026 prescribing information; CORALreef trials).

Safety

In the main trial, the frequency of adverse effects was similar to placebo. In the familial hypercholesterolemia trial there was somewhat more diarrhea (7% vs 2%) and dizziness (9% vs 4%), without a significant difference. No published data yet on reduction of heart attacks. Requires a prescription.

Effect by goal · level of evidence

LDL cholesterol in hypercholesterolemia

reduces High RCT (AA) in people
−56% LDL

CORALreef Lipids trial (2,909 adults, 39% women): at 24 weeks LDL fell by 57.1% with enlicitide vs a 3.0% rise with placebo (difference −55.8 points). It also reduced lipoprotein(a).

View the study (RCT) →

In depth

Where it acts

Heart and blood

How it works

PCSK9 is a protein that destroys LDL cholesterol receptors in the liver. Enlicitide is a cyclic peptide designed to resist digestion that binds to PCSK9 and blocks it. This way the liver keeps more receptors and clears more LDL cholesterol from the blood.

What the evidence says

In people

  • LDL cholesterol in hypercholesterolemia. CORALreef Lipids trial (2,909 adults, 39% women): at 24 weeks LDL fell by 57.1% with enlicitide vs a rise of 3.0% with placebo (difference −55.8 points). It also reduced lipoprotein(a). PubMed 41879224

References

  1. PubMed 41879224

Information, not medical advice. Prescription or unapproved peptides should only be used under medical supervision.

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