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Purple Book product · Reference 351(a)

Zolgensma

onasemnogene abeparvovec-xioi

351(a)BLA 125694RxLicensed Novartis Gene Therapies, Inc.

May 24, 2019

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

Zolgensma (onasemnogene abeparvovec-xioi) is Novartis Gene Therapies, Inc.'s FDA-licensed reference biologic, approved under a 351(a) BLA in 2019. No biosimilars referencing Zolgensma are listed in the Purple Book yet. Its 12-year reference-product exclusivity under the BPCIA is listed as ending Nov 24, 1931.

Sourced from the FDA Purple Book · verified Jul 02, 2026

Key dates

  1. Reference product exclusivity ends

    12-year reference-product exclusivity window per BPCIA §351(k)(7).

    Nov 24, 1931

    96 yr ago

  2. First licensure

    Date the BLA was first licensed.

    May 24, 2019

    7 yr 3 mo ago

  3. Approval

    Approval date of this BLA submission.

    May 24, 2019

    7 yr 3 mo ago

  4. Today

  5. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    Nov 24, 2026

    in 4 mo

Pharmaceutical detail

Strength

2x10^13VG/ML

Dosage form

Injection

Route

Intravenous

Presentation

Single-Dose Vial

Center

CBER

License number

2250

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 Zolgensma have approved biosimilars?

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

When does Zolgensma lose reference-product exclusivity?

Zolgensma's 12-year reference-product exclusivity under the BPCIA is listed in the Purple Book as ending Nov 24, 1931.

What is Zolgensma's BLA number?

Zolgensma is licensed under BLA 125694, held by Novartis Gene Therapies, Inc..

When was Zolgensma approved by the FDA?

Zolgensma was first licensed by the FDA on May 24, 2019.

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