Assyro AI

Purple Book product · Reference 351(a)

Berinert

C1 Esterase Inhibitor (Human)

351(a)BLA 125287RxLicensed CSL Behring GmbH

Oct 09, 2009

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

Berinert (C1 Esterase Inhibitor (Human)) is CSL Behring GmbH's FDA-licensed reference biologic, approved under a 351(a) BLA in 2009. No biosimilars referencing Berinert 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.

    Oct 09, 2009

    17 yr ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    Oct 08, 2016

    9 yr 11 mo ago

  3. Today

Pharmaceutical detail

Strength

500U

Dosage form

For Injection

Route

Intravenous

Presentation

Single-Dose Vial

Center

CBER

License number

1765

Product number

001

Submission type

Original

Supplement number

0

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

  • v5Jul 02, 2026
  • v4Jul 02, 2026
  • v3Jul 02, 2026
  • v2Jul 02, 2026

Frequently asked questions

Does Berinert have approved biosimilars?

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

What is Berinert's BLA number?

Berinert is licensed under BLA 125287, held by CSL Behring GmbH.

When was Berinert approved by the FDA?

Berinert was approved by the FDA on Oct 09, 2009.

Related FDA reference tools

Agent CTA Background

Your Next Submission Could Take 6+ Fewer Weeks and Cost $250K Less.