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Prescription medicine

Mavorixafor

Drug class: CXC Chemokine Receptor 4 Antagonist

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 Mavorixafor used for?
The FDA-approved label (Xolremdi, X4 Pharmaceuticals, Inc., November 12, 2024) says: “XOLREMDI is indicated in patients 12 years of age and older with WHIM syndrome (warts, hypogammaglobulinemia, infections and myelokathexis) to increase the number of circulating mature neutrophils and lympocytes. …” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Mavorixafor 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 Mavorixafor?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Mavorixafor been recalled?
No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
Who makes Mavorixafor?
1 company lists prescription products of Mavorixafor in the FDA NDC Directory, including X4 Pharmaceuticals, Inc..

What Mavorixafor is used for

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

XOLREMDI is indicated in patients 12 years of age and older with WHIM syndrome (warts, hypogammaglobulinemia, infections and myelokathexis) to increase the number of circulating mature neutrophils and lympocytes. …

— FDA label: Xolremdi, X4 Pharmaceuticals, Inc., effective November 12, 2024. 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, gelatin coated
RouteOral
Prescription products1 in the FDA NDC Directory
Brand namesXolremdi

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
NDA218709
XOLREMDI
X4 PharmsApril 26, 2024 —

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)2684026, 2684032
SPL set ID of the quoted label7f3a5ee3-ca73-4876-85a0-ed1e108a2237
FDA labels (SPL)1
FDA applicationsNDA218709
Active ingredients (FDA)MAVORIXAFOR

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Xolremdi, X4 Pharmaceuticals, Inc., effective November 12, 2024; 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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