Assyro AI

Purple Book product · Reference 351(a)

Obizur

Antihemophilic Factor (Recombinant), Porcine Sequence

351(a)BLA 125512RxLicensed Takeda Pharmaceuticals U.S.A., Inc.

Oct 23, 2014

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

Obizur (Antihemophilic Factor (Recombinant), Porcine Sequence) is Takeda Pharmaceuticals U.S.A., Inc.'s FDA-licensed reference biologic, approved under a 351(a) BLA in 2014. No biosimilars referencing Obizur 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 23, 2014

    11 yr 11 mo ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    Oct 23, 2021

    4 yr 10 mo ago

  3. Today

Pharmaceutical detail

Strength

500U

Dosage form

For Injection

Route

Intravenous

Presentation

Single-Dose Vial

Center

CBER

License number

1898

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

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

Frequently asked questions

Does Obizur have approved biosimilars?

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

What is Obizur's BLA number?

Obizur is licensed under BLA 125512, held by Takeda Pharmaceuticals U.S.A., Inc..

When was Obizur approved by the FDA?

Obizur was approved by the FDA on Oct 23, 2014.

Related FDA reference tools

Agent CTA Background

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