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Prescription medicine

Nipocalimab-aahu

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 Nipocalimab-aahu used for?
The FDA-approved label (Imaavy, Janssen Biotech, Inc., August 21, 2026) says: “IMAAVY is a neonatal Fc receptor blocker indicated for the treatment of: generalized myasthenia gravis (gMG) in adult and pediatric patients 12 years of age and older who are anti-acetylcholine receptor (AChR) or anti-muscle-specific tyrosine kinase (MuSK) antibody positive. …” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Nipocalimab-aahu 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 Nipocalimab-aahu?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Nipocalimab-aahu been recalled?
FDA enforcement reports list 1 recall of products of this medicine; the newest started September 23, 2026 (Class II). A recall usually concerns specific lots, not every product.
Who makes Nipocalimab-aahu?
1 company lists prescription products of Nipocalimab-aahu in the FDA NDC Directory, including Janssen Biotech, Inc..

What Nipocalimab-aahu is used for

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

IMAAVY is a neonatal Fc receptor blocker indicated for the treatment of: generalized myasthenia gravis (gMG) in adult and pediatric patients 12 years of age and older who are anti-acetylcholine receptor (AChR) or anti-muscle-specific tyrosine kinase (MuSK) antibody positive. …

— FDA label: Imaavy, Janssen Biotech, Inc., effective August 21, 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 formsInjection, solution, concentrate
RouteIntravenous
Prescription products2 in the FDA NDC Directory
Brand namesImaavy

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

  • BLA: Biologics License Application: how a biologic medicine (made from living cells) is approved.
Brand and biologic applications
ApplicationSponsorApprovedLater changes approved
BLA761430
IMAAVY
Janssen BiotechApril 29, 2025 1, latest August 24, 2026
2026: Efficacy

Shortage status

The FDA drug shortage list does not show these products.

FDA Drug Shortages database →

Recalls

From FDA enforcement reports, matched by the product’s NDC code. A recall usually covers specific lots only: check the lot number on your package and ask your pharmacist. Do not stop a medicine on your own.

  1. September 23, 2026 · Class II · Ongoing · D-0016-2027

    Presence of particulate matter.

    IMAAVY (nipocalimab-aahu) Injection, 300 mg /1.62 mL (185 mg/mL) per single-dose vial, For Intravenous Infusion After Dilution, Rx only, Manufactured by: Janssen Biotech, Inc., Horsham, PA 19044. NDC: 57894-800-01 — J&J INNOVATIVE MEDICINE

What do the recall classes mean?

Class I: The most serious type: there is a reasonable chance that using the product will cause serious health problems or death.
Class II: Using the product may cause temporary or medically reversible health problems, or the chance of serious problems is remote.
Class III: Using the product is not likely to cause health problems (for example a labeling or packaging issue).

Official identifiers

RxCUI (RxNorm)2712699, 2712706, 2712708, 2712709
SPL set ID of the quoted label8886274c-f2b2-48af-85c1-2f90bfe304b8
FDA labels (SPL)1
FDA applicationsBLA761430
Active ingredients (FDA)NIPOCALIMAB

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Imaavy, Janssen Biotech, Inc., effective August 21, 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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