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Purple Book product · Reference 351(a)

Praluent

alirocumab

351(a)BLA 125559DiscLicensed Regeneron Pharmaceuticals, Inc.

Jul 24, 2015

Approved

Reference 351(a)

License type

Disc

Marketing

None

Listed patents

Praluent (alirocumab) is Regeneron Pharmaceuticals, Inc.'s FDA-licensed reference biologic, approved under a 351(a) BLA in 2015. No biosimilars referencing Praluent are listed in the Purple Book yet.

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

Key dates

  1. Approval

    Approval date of this BLA submission.

    Jul 24, 2015

    11 yr 2 mo ago

  2. Today

  3. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    Apr 01, 2028

    in 1 yr 9 mo

Pharmaceutical detail

Strength

150MG/ML

Dosage form

Injection

Route

Subcutaneous

Presentation

Pre-Filled Syringe

Center

CDER

License number

1760

Product number

004

Submission type

Original

Supplement number

Not listed

Change type

Not listed

Reference product family

View full family

This is the reference (originator) product. No biosimilars or interchangeables reference it in the Purple Book yet.

3 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 Praluent have approved biosimilars?

No 351(k) biosimilars or interchangeable biosimilars referencing Praluent are listed in the FDA Purple Book yet.

What is Praluent's BLA number?

Praluent is licensed under BLA 125559, held by Regeneron Pharmaceuticals, Inc..

When was Praluent approved by the FDA?

Praluent was approved by the FDA on Jul 24, 2015.

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