Assyro AI

Purple Book product · Reference 351(a)

zevaskyn

Prademagene zamikeracel

351(a)BLA 125807RxLicensed Abeona Therapeutics Inc.

Apr 28, 2025

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

zevaskyn (Prademagene zamikeracel) is Abeona Therapeutics Inc.'s FDA-licensed reference biologic, approved under a 351(a) BLA in 2025. No biosimilars referencing zevaskyn 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.

    Apr 28, 1932

    95 yr 7 mo ago

  2. Approval

    Approval date of this BLA submission.

    Apr 28, 2025

    1 yr 3 mo ago

  3. Today

Pharmaceutical detail

Strength

41.25CM^2

Dosage form

Cellular Sheet

Route

Topical

Presentation

Tray & Lid

Center

CBER

License number

2329

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 zevaskyn have approved biosimilars?

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

What is zevaskyn's BLA number?

zevaskyn is licensed under BLA 125807, held by Abeona Therapeutics Inc..

When was zevaskyn approved by the FDA?

zevaskyn was approved by the FDA on Apr 28, 2025.

Related FDA reference tools

Agent CTA Background

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