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Purple Book product · Reference 351(a)

Epogen/Procrit

epoetin alfa

351(a)BLA 103234RxLicensed Amgen Inc.

Not listed

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

Epogen/Procrit (epoetin alfa) is Amgen Inc.'s FDA-licensed reference biologic, approved under a 351(a) BLA. 2 approved follow-on biologics reference Epogen/Procrit (Procrit and Retacrit).

Sourced from the FDA Purple Book · verified Jul 02, 2026

Key dates

  1. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    Dec 31, 1997

    29 yr ago

  2. Today

Pharmaceutical detail

Strength

20,000UNITS/2ML (10,000UNITS/ML)

Dosage form

Injection

Route

Intravenous, Subcutaneous

Presentation

Multi-Dose Vial

Center

CDER

License number

1080

Product number

002

Submission type

Supplement

Supplement number

Not listed

Change type

Not listed

Reference product family

View full family

This is the reference (originator) product. Its approved biosimilars and interchangeables are listed below.

5 additional BLA records for this product (other strengths or presentations) are in the same reference family.

Patent list

No patent-list records were published for this product. The Purple Book patent list reflects the statutory patent exchange under the BPCIA and is not exhaustive.

Source provenance

Source kind · Advanced Search
Checked Jul 02, 2026
  • advanced-searchAdvanced Search · Jul 02, 2026
  • monthly-downloadMonthly download · Jul 02, 2026

Change history

  • v3Jul 02, 2026
  • v2Jul 02, 2026

Frequently asked questions

Does Epogen/Procrit have approved biosimilars?

Yes. 2 approved follow-on biologics reference Epogen/Procrit in the Purple Book: Procrit and Retacrit.

What is Epogen/Procrit's BLA number?

Epogen/Procrit is licensed under BLA 103234, held by Amgen Inc..

Related FDA reference tools

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