Assyro AI

Purple Book product · Reference 351(a)

Pulmozyme

dornase alfa

351(a)BLA 103532RxLicensed Genentech, Inc.

Dec 30, 1993

Approved

Reference 351(a)

License type

Rx

Marketing

None

Listed patents

Pulmozyme (dornase alfa) is Genentech, Inc.'s FDA-licensed reference biologic, approved under a 351(a) BLA in 1993. No biosimilars referencing Pulmozyme 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.

    Dec 30, 1993

    33 yr ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    Dec 30, 2000

    25 yr 11 mo ago

  3. Today

Pharmaceutical detail

Strength

2.5MG/2.5ML (1MG/ML)

Dosage form

Solution

Route

Inhalation

Presentation

Ampule

Center

CDER

License number

1048

Product number

001

Submission type

Original

Supplement number

Not listed

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 Pulmozyme have approved biosimilars?

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

What is Pulmozyme's BLA number?

Pulmozyme is licensed under BLA 103532, held by Genentech, Inc..

When was Pulmozyme approved by the FDA?

Pulmozyme was approved by the FDA on Dec 30, 1993.

Related FDA reference tools

Agent CTA Background

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