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Purple Book product · Reference 351(a)

Casgevy

Exagamglogene autotemcel

351(a)BLA 125787RxLicensed Vertex Pharmaceuticals Inc

Dec 08, 2023

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

Casgevy (Exagamglogene autotemcel) is Vertex Pharmaceuticals Inc's FDA-licensed reference biologic, approved under a 351(a) BLA in 2023. No biosimilars referencing Casgevy 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.

    Jan 16, 1931

    96 yr 11 mo ago

  2. Approval

    Approval date of this BLA submission.

    Dec 08, 2023

    2 yr 8 mo ago

  3. Today

Pharmaceutical detail

Strength

4-13 × 10^6 CELL/ML

Dosage form

Suspension

Route

Intravenous

Presentation

Single-Dose Vial

Center

CBER

License number

2279

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 Casgevy have approved biosimilars?

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

What is Casgevy's BLA number?

Casgevy is licensed under BLA 125787, held by Vertex Pharmaceuticals Inc.

When was Casgevy approved by the FDA?

Casgevy was approved by the FDA on Dec 08, 2023.

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