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Prescription medicine

Sebetralstat

Drug class: Plasma Kallikrein Inhibitor

The FDA’s “Established Pharmacologic Class”: the group of medicines that work in a similar way.

Official FDA data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the drug label, the NDC Directory, Drugs@FDA, recall reports and the drug shortage list. Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

In an emergency, call 911. If someone may have taken too much of a medicine, call Poison Help: 1‑800‑222‑1222.

Quick answers

What is Sebetralstat used for?
The FDA-approved label (Ekterly, KalVista Pharmaceuticals Ltd, April 1, 2026) says: “EKTERLY® is indicated for the treatment of acute attacks of hereditary angioedema (HAE) in adult and pediatric patients aged 12 years and older. EKTERLY ® is a plasma kallikrein inhibitor indicated for the treatment of acute attacks of hereditary angioedema (HAE) in adult and pediatric patients aged 12 years and older.” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Sebetralstat have a boxed warning?
No. None of the 1 FDA labels we found for this medicine has a boxed warning.
Is there a shortage of Sebetralstat?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Sebetralstat been recalled?
No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
Who makes Sebetralstat?
1 company lists prescription products of Sebetralstat in the FDA NDC Directory, including KalVista Pharmaceuticals Ltd.

What Sebetralstat is used for

Quoted from the “Indications and Usage” section of the FDA-approved label.

EKTERLY® is indicated for the treatment of acute attacks of hereditary angioedema (HAE) in adult and pediatric patients aged 12 years and older. EKTERLY ® is a plasma kallikrein inhibitor indicated for the treatment of acute attacks of hereditary angioedema (HAE) in adult and pediatric patients aged 12 years and older.

— FDA label: Ekterly, KalVista Pharmaceuticals Ltd, effective April 1, 2026. Read the full label on DailyMed →

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

Boxed warning

A boxed warning (“black box”) is the FDA’s strongest warning on a drug label, for serious or life-threatening risks.

The label quoted above has no boxed warning.

Forms and how it is given

Dosage formsTablet
RouteOral
Prescription products1 in the FDA NDC Directory
Brand namesEkterly

Companies that list this medicine

Labelers in the FDA NDC Directory: the company named on the package (maker or distributor), with the number of prescription products.

FDA approval history

  • NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
Brand and biologic applications
ApplicationSponsorApprovedLater changes approved
NDA219301
EKTERLY
KalvistaJuly 3, 2025 —

Shortage status

The FDA drug shortage list does not show these products.

FDA Drug Shortages database →

Recalls

No recall linked to these products (by their NDC code) appears in the FDA enforcement reports.

Official identifiers

RxCUI (RxNorm)2717949, 2717955
SPL set ID of the quoted label1d145e2f-8e7e-2e90-e063-6294a90a4449
FDA labels (SPL)1
FDA applicationsNDA219301
Active ingredients (FDA)SEBETRALSTAT

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Ekterly, KalVista Pharmaceuticals Ltd, effective April 1, 2026; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
  2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  4. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  5. Drug shortages (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026

openFDA data is provided by the FDA as is; it may be incomplete. Always rely on the label that comes with your medicine. FDA Enforcement Report search →

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