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Prescription medicine

Momelotinib

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 Momelotinib used for?
The FDA-approved label (Ojjaara, GlaxoSmithKline LLC, July 20, 2026) says: “OJJAARA is indicated for the treatment of intermediate or high‑risk myelofibrosis (MF), including primary MF or secondary MF [post‑polycythemia vera (PV) and post‑essential thrombocythemia (ET)], in adults with anemia. …” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Momelotinib 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 Momelotinib?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Momelotinib been recalled?
No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
Who makes Momelotinib?
1 company lists prescription products of Momelotinib in the FDA NDC Directory, including GlaxoSmithKline LLC.

What Momelotinib is used for

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

OJJAARA is indicated for the treatment of intermediate or high‑risk myelofibrosis (MF), including primary MF or secondary MF [post‑polycythemia vera (PV) and post‑essential thrombocythemia (ET)], in adults with anemia. …

— FDA label: Ojjaara, GlaxoSmithKline LLC, effective July 20, 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 products3 in the FDA NDC Directory
Brand namesOjjaara

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
NDA216873
OJJAARA
GlaxosmithklineSeptember 15, 2023 4, latest July 20, 2026
2026: Labeling · 2026: Labeling · 2026: 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)2665210, 2665216, 2665218, 2665220, 2665222, 2665224
SPL set ID of the quoted label4a672fd1-eb7b-4aa9-9b23-845e4b5dc400
FDA labels (SPL)1
FDA applicationsNDA216873
Active ingredients (FDA)MOMELOTINIB

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Ojjaara, GlaxoSmithKline LLC, effective July 20, 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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