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Purple Book product · Reference 351(a)

Gonal-f

follitropin alfa

351(a)BLA 20378DiscLicensed EMD Serono, Inc.

Sep 29, 1997

Approved

Reference 351(a)

License type

Disc

Marketing

None

Listed patents

Gonal-f (follitropin alfa) is EMD Serono, Inc.'s FDA-licensed reference biologic, approved under a 351(a) BLA in 1997. No biosimilars referencing Gonal-f 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.

    Sep 29, 1997

    29 yr 2 mo ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    May 24, 2007

    19 yr 5 mo ago

  3. Today

Pharmaceutical detail

Strength

75IU

Dosage form

For Injection

Route

Subcutaneous

Presentation

Ampule

Center

CDER

License number

1773

Product number

001

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.

4 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 · Monthly download
Checked Jul 02, 2026
FDA release · June 2026
  • monthly-downloadMonthly download · Jul 02, 2026

Change history

  • v2Jul 02, 2026
  • v1Jul 02, 2026

Frequently asked questions

Does Gonal-f have approved biosimilars?

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

What is Gonal-f's BLA number?

Gonal-f is licensed under BLA 20378, held by EMD Serono, Inc..

When was Gonal-f approved by the FDA?

Gonal-f was approved by the FDA on Sep 29, 1997.

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