Assyro AI

Purple Book product · Reference 351(a)

VYJUVEK

beremagene geperpavec-svdt

351(a)BLA 125774RxLicensed Krystal Biotech, Inc.

May 19, 2023

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

VYJUVEK (beremagene geperpavec-svdt) is Krystal Biotech, Inc.'s FDA-licensed reference biologic, approved under a 351(a) BLA in 2023. No biosimilars referencing VYJUVEK 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.

    Sep 12, 1932

    95 yr 3 mo ago

  2. Approval

    Approval date of this BLA submission.

    May 19, 2023

    3 yr 3 mo ago

  3. Today

Pharmaceutical detail

Strength

5.0x10^9 PFU/mL

Dosage form

Gel

Route

Topical

Presentation

Single-Dose Vial

Center

CBER

License number

2301

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

  • v8Jul 02, 2026
  • v7Jul 02, 2026
  • v6Jul 02, 2026
  • v5Jul 02, 2026
  • v4Jul 02, 2026
  • v3Jul 02, 2026
  • v2Jul 02, 2026

Frequently asked questions

Does VYJUVEK have approved biosimilars?

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

What is VYJUVEK's BLA number?

VYJUVEK is licensed under BLA 125774, held by Krystal Biotech, Inc..

When was VYJUVEK approved by the FDA?

VYJUVEK was approved by the FDA on May 19, 2023.

Related FDA reference tools

Agent CTA Background

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