Skip to main content

Prescription medicine

Mavorixafor Brand names: Xolremdi

Mavorixafor (Xolremdi) is a prescription medicine with an FDA approval on record since 2024. No generic is listed in FDA's NDC Directory.

  • No generic listed

Check it at the source: the mavorixafor FDA label on DailyMed (effective November 12, 2024, X4 Pharmaceuticals, Inc.); the NDA 218709 record on Drugs@FDA; every mavorixafor label on DailyMed.

Highlights of the record

FDA label of November 12, 2024; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

From the label: indications and usage

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.

Forms and strengths

  • 100 mg

Gelatin-coated capsule.

On the market

Earliest approval on file
April 26, 2024 Xolremdi, X4 Pharms; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
No generic approved
Labelers listed (NDC)
1 of which 0 under generic applications, 1 under brand applications, repackagers included
Last listed patent
December 11, 2038 Xolremdi capsules; not a generic launch date

Supply and safety

Pharmacy cost (NADAC)
Not in the survey
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
No recall recorded
FAERS reports
8 through July 30, 2026

What is mavorixafor used for?

From the label: indications and usage

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. XOLREMDI is a CXC chemokine receptor 4 antagonist 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 lymphocytes.

FDA pharmacologic class: CXC Chemokine Receptor 4 Antagonist.

Source: FDA drug label (XOLREMDI), NDA218709 (X4 Pharms), as published by X4 Pharmaceuticals, Inc., effective November 12, 2024 (SPL set 7f3a5ee3-ca73-4876-85a0-ed1e108a2237), via openFDA; the full label on DailyMed

Is there a generic for mavorixafor (Xolremdi)?

No generic mavorixafor is approved (Drugs@FDA, October 8, 2026).

The Orange Book lists 6 patents for Xolremdi capsules, the last expiring on December 11, 2038. A patent or exclusivity date is not the date a generic goes on sale: court cases and settlements move it either way.

  • 2024 earliest approval on file
  • 2038 last listed patent

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What does the mavorixafor label say about other medicines?

The mavorixafor label names 2 other medicines in its interaction, contraindication or warning sections. The sentences are the labels' own; a label lists what its studies and reports found, not every interaction.

Medicine namedSectionWhat the label says
Digoxindrug interactionsMeasure serum digoxin concentrations before initiating concomitant use with XOLREMDI, and continue monitoring serum digoxin concentrations as recommended in the Prescribing Information for digoxin [see Clinical Pharmacology (12.3) ]. Mavorixafor is an inhibitor of P-gp.
Metformindrug interactionsMonitor for glycemic control and adjust the dose of metformin as necessary.

Check mavorixafor against other medicines

Source: FDA drug label (XOLREMDI), NDA218709 (X4 Pharms), as published by X4 Pharmaceuticals, Inc., effective November 12, 2024 (SPL set 7f3a5ee3-ca73-4876-85a0-ed1e108a2237), via openFDA; the full label on DailyMed

What do FAERS reports show for mavorixafor?

The FDA Adverse Event Reporting System holds 8 reports that list mavorixafor among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 0 are coded as a death and 3 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

The most reported reactions

  • Product Administration Error3
  • Nausea2
  • Product Storage Error2
  • Alopecia1
  • Anaemia1
  • Antidepressant Discontinuation Syndrome1
  • Arthralgia1
  • Bacteraemia1

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What next?

Mavorixafor side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other