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Purple Book product · Reference 351(a)

Asparlas

calaspargase pegol-mknl

351(a)BLA 761102RxLicensed Servier Pharmaceuticals LLC

Dec 20, 2018

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

Asparlas (calaspargase pegol-mknl) is Servier Pharmaceuticals LLC's FDA-licensed reference biologic, approved under a 351(a) BLA in 2018. No biosimilars referencing Asparlas are listed in the Purple Book yet.

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

Key dates

  1. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    Feb 01, 2001

    25 yr 10 mo ago

  2. Approval

    Approval date of this BLA submission.

    Dec 20, 2018

    7 yr 8 mo ago

  3. Today

Pharmaceutical detail

Strength

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

Dosage form

Injection

Route

Intravenous

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
  • 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 Asparlas have approved biosimilars?

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

What is Asparlas's BLA number?

Asparlas is licensed under BLA 761102, held by Servier Pharmaceuticals LLC.

When was Asparlas approved by the FDA?

Asparlas was approved by the FDA on Dec 20, 2018.

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