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Purple Book product · Reference 351(a)

Oncaspar

pegaspargase

351(a)BLA 103411RxLicensed Servier Pharmaceuticals LLC

Feb 01, 1994

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

Oncaspar (pegaspargase) is Servier Pharmaceuticals LLC's FDA-licensed reference biologic, approved under a 351(a) BLA in 1994. No biosimilars referencing Oncaspar 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.

    Feb 01, 1994

    32 yr 11 mo ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    Feb 01, 2001

    25 yr 10 mo ago

  3. Today

Pharmaceutical detail

Strength

3,750IU/5ML(750IU/ML)

Dosage form

Injection

Route

Intravenous, Intramuscular

Presentation

Single-Dose Vial

Center

CDER

License number

2125

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.

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
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Change history

  • v3Jul 02, 2026
  • v2Jul 02, 2026

Frequently asked questions

Does Oncaspar have approved biosimilars?

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

What is Oncaspar's BLA number?

Oncaspar is licensed under BLA 103411, held by Servier Pharmaceuticals LLC.

When was Oncaspar approved by the FDA?

Oncaspar was approved by the FDA on Feb 01, 1994.

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