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Prescription medicine

Selumetinib

Drug class: Kinase 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 Selumetinib used for?
The FDA-approved label (Koselugo, AstraZeneca Pharmaceuticals LP, May 26, 2026) says: “KOSELUGO is indicated for the treatment of adult and pediatric patients 1 year of age and older with neurofibromatosis type 1 (NF1) who have symptomatic, inoperable plexiform neurofibromas (PN) […]. KOSELUGO is a kinase inhibitor indicated for the treatment of adult and pediatric patients 1 year of age and older with neurofibromatosis type 1 (NF1) who have symptomatic, inoperable plexiform neurofibromas (PN).” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Selumetinib 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 Selumetinib?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Selumetinib been recalled?
No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
Who makes Selumetinib?
1 company lists prescription products of Selumetinib in the FDA NDC Directory, including AstraZeneca Pharmaceuticals LP.

What Selumetinib is used for

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

KOSELUGO is indicated for the treatment of adult and pediatric patients 1 year of age and older with neurofibromatosis type 1 (NF1) who have symptomatic, inoperable plexiform neurofibromas (PN) […]. KOSELUGO is a kinase inhibitor indicated for the treatment of adult and pediatric patients 1 year of age and older with neurofibromatosis type 1 (NF1) who have symptomatic, inoperable plexiform neurofibromas (PN).

— FDA label: Koselugo, AstraZeneca Pharmaceuticals LP, effective May 26, 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 formsCapsule · Granule
RouteOral
Prescription products4 in the FDA NDC Directory
Brand namesKoselugo

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
NDA213756
KOSELUGO
AstrazenecaApril 10, 2020 5, latest May 26, 2026
2026: Labeling · 2025: Efficacy · 2025: Efficacy
NDA219943
KOSELUGO
AstrazenecaSeptember 10, 2025 2, latest May 26, 2026
2026: Labeling · 2025: Labeling

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)2289418, 2289424, 2289426, 2289428, 2723653, 2723657, 2723659, 2723661
SPL set ID of the quoted label7d042c61-f28f-4ab5-ab10-d7558c0d49ff
FDA labels (SPL)1
FDA applicationsNDA213756, NDA219943
Active ingredients (FDA)SELUMETINIB

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Koselugo, AstraZeneca Pharmaceuticals LP, effective May 26, 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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