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Purple Book product · Reference 351(a)

Cerezyme

imiglucerase

351(a)BLA 20367RxLicensed Genzyme Corporation

Sep 22, 1999

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

Cerezyme (imiglucerase) is Genzyme Corporation's FDA-licensed reference biologic, approved under a 351(a) BLA in 1999. No biosimilars referencing Cerezyme 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 22, 1999

    27 yr 2 mo ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    May 23, 2001

    25 yr 6 mo ago

  3. Today

Pharmaceutical detail

Strength

400UNITS/VIAL

Dosage form

For Injection

Route

Intravenous

Presentation

Single-Dose Vial

Center

CDER

License number

1596

Product number

002

Submission type

Supplement

Supplement number

34

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.

1 additional BLA record 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

  • v1Jul 02, 2026

Frequently asked questions

Does Cerezyme have approved biosimilars?

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

What is Cerezyme's BLA number?

Cerezyme is licensed under BLA 20367, held by Genzyme Corporation.

When was Cerezyme approved by the FDA?

Cerezyme was approved by the FDA on Sep 22, 1999.

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