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Purple Book product · Reference 351(a)

Dupixent

dupilumab

351(a)BLA 761055RxLicensed Regeneron Pharmaceuticals, Inc.

Jun 18, 2020

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

Dupixent (dupilumab) is Regeneron Pharmaceuticals, Inc.'s FDA-licensed reference biologic, approved under a 351(a) BLA in 2020. No biosimilars referencing Dupixent 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.

    Jun 18, 2020

    6 yr 2 mo ago

  2. Today

  3. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    Jan 25, 2031

    in 4 yr 7 mo

Pharmaceutical detail

Strength

300MG/2ML

Dosage form

Injection

Route

Subcutaneous

Presentation

Autoinjector

Center

CDER

License number

1760

Product number

004

Submission type

Supplement

Supplement number

17

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.

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

  • v4Jul 02, 2026
  • v3Jul 02, 2026
  • v2Jul 02, 2026

Frequently asked questions

Does Dupixent have approved biosimilars?

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

What is Dupixent's BLA number?

Dupixent is licensed under BLA 761055, held by Regeneron Pharmaceuticals, Inc..

When was Dupixent approved by the FDA?

Dupixent was approved by the FDA on Jun 18, 2020.

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