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Prescription medicine

Filgrastim Brand names: Nypozi, Neupogen, Releuko, Granix, Nivestym

Filgrastim (Neupogen) is a prescription medicine with an FDA approval on record since 1991. No generic is listed; pharmacies paid $650.05 per mL (Neupogen 300 mcg/0.5 mL syringe) in the October 7, 2026 NADAC survey.

  • No generic listed

Check it at the source: the filgrastim FDA label on DailyMed (effective July 23, 2026, Amgen, Inc); the BLA 103353 record on Drugs@FDA; every filgrastim label on DailyMed.

Highlights of the record

FDA label of July 23, 2026; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026; NADAC October 7, 2026

Used for

From the label: indications and usage

NEUPOGEN is a leukocyte growth factor indicated to Decrease the incidence of infection, as manifested by febrile neutropenia, in patients with nonmyeloid malignancies receiving myelosuppressive anti-cancer drugs associated with a significant incidence of severe neutropenia with fever ( 1.1 ) Reduce the time to neutrophil recovery and the duration of fever, following induction or consolidation chemotherapy treatment o

Forms and strengths

  • 0.5ml
  • 0.8ml
  • 1.6ml

Injection (solution); injection.

On the market

Earliest approval on file
February 20, 1991 Neupogen, Amgen; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
No generic approved
Labelers listed (NDC)
8 of which 0 under generic applications, 8 under brand applications, repackagers included

Supply and safety

Pharmacy cost (NADAC)
$650.05 per mL Neupogen 300 mcg/0.5 mL syringe
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
3 since 2025 0 Class I among all firms' recalls; latest February 27, 2025
FAERS reports
41,194 through July 30, 2026

What is filgrastim used for?

From the label: indications and usage

NEUPOGEN is a leukocyte growth factor indicated to Decrease the incidence of infection, as manifested by febrile neutropenia, in patients with nonmyeloid malignancies receiving myelosuppressive anti-cancer drugs associated with a significant incidence of severe neutropenia with fever ( 1.1 ) Reduce the time to neutrophil recovery and the duration of fever, following induction or consolidation chemotherapy treatment of patients with acute myeloid leukemia (AML) ( 1.2 ) Reduce the duration of neutropenia and neutropenia-related clinical sequelae, e.g., febrile neutropenia, in patients with nonmyeloid malignancies undergoing myeloablative chemotherapy followed by bone marrow transplantation […]

FDA pharmacologic class: Leukocyte Growth Factor.

Source: FDA drug label (NEUPOGEN), Amgen, Inc, effective July 23, 2026 (SPL set 97cc73cc-b5b7-458a-a933-77b00523e193), via openFDA; the full label on DailyMed

Is there a generic for filgrastim (Neupogen)?

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

  • 1991 earliest approval on file
  • red ticks recalls

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

What do pharmacies pay for filgrastim (Neupogen)?

In CMS's NADAC survey of October 7, 2026, pharmacies paid $650.05 per mL (Neupogen 300 mcg/0.5 mL syringe), about the same as a year earlier. The chart's scale runs from the lowest to the highest price shown, not from zero. NADAC is what retail pharmacies paid their wholesalers, per unit, in CMS's monthly survey; what a patient pays depends on insurance and the pharmacy.

  • Neupogen 300 mcg/mL vial (brand)
$306.65
$303.78
April 2024October 2026
NADAC per unit, October 7, 2026
Strength and formBrand or genericPharmacy cost30 tablets, or one pen or vial12-month change
Neupogen 300 mcg/0.5 mL syringeBrand$650.05 per mLn/a-0.1%
Neupogen 300 mcg/mL vialBrand$304.09 per mLn/a-0.6%
Zarxio 300 mcg/0.5 mL syringeBrand$531.65 per mL$265.83 per single-dose syringeno change
Zarxio 480 mcg/0.8 mL syringeBrand$533.41 per mL$426.73 per single-dose syringe+0.1%

Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price

Has filgrastim been recalled?

The FDA's Enforcement Report lists 3 recalls naming filgrastim since 2025: 0 Class I (the most serious), 3 Class II, 0 Class III; 3 still ongoing. A recall names products and lots, not every product of the medicine.

StartedClassCompanyReason
February 27, 2025Class IIAmgen, Inc.Stability data does not support expiry: the products have the potential to be out of specification at the time of expiry of 36-months.
January 10, 2025Class IITeva Pharmaceuticals USA, IncFailed Stability Specifications - 12-month stability test result for one of the known peptides is below the specification limit

Source: FDA Enforcement Report (drug recalls) via openFDA, through October 8, 2026

What does the filgrastim label say about other medicines?

The filgrastim label names 1 other medicine in its interaction, contraindication or warning sections. The labels of 6 other medicines name filgrastim. The sentences are the labels' own; a label lists what its studies and reports found, not every interaction.

Medicine namedSectionWhat the label says
PegfilgrastimcontraindicationsCONTRAINDICATIONS NEUPOGEN is contraindicated in patients with a history of serious allergic reactions to human granulocyte colony-stimulating factors such as filgrastim or pegfilgrastim [see Warnings and Precautions (5.3) ].

Other labels that name filgrastim

Check filgrastim against other medicines

Source: FDA drug label (NEUPOGEN), Amgen, Inc, effective July 23, 2026 (SPL set 97cc73cc-b5b7-458a-a933-77b00523e193), via openFDA; the full label on DailyMed

What do FAERS reports show for filgrastim?

The FDA Adverse Event Reporting System holds 41,194 reports that list filgrastim among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 9,304 are coded as a death and 17,754 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.

Reports received each year

The most reported reactions

  • Febrile Neutropenia (a use or a product term, not a reaction)4,530
  • Neutropenia (a use or a product term, not a reaction)3,611
  • Off Label Use (a use or a product term, not a reaction)3,306
  • Pyrexia (named in the label)3,007
  • Death (an outcome recorded in the report)2,999
  • Diarrhoea (named in the label)2,423
  • Nausea (named in the label)2,173
  • Fatigue (named in the label)2,031

Side effects: the label's list and every FAERS reaction

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

What next?

Other leukocyte growth factors
the pharmacologic class, with prices and generics
Filgrastim side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other