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Purple Book reference family · 351(a) biologic

dornase alfa (Pulmozyme)

dornase alfa is an FDA-licensed reference biologic from Genentech, Inc..

351(a) biologicBLA 103532 Genentech, Inc.
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
1993

Reference product

Originator biologic
351(a)BLA 103532

Pulmozyme dornase alfa

Genentech, Inc.

View full reference-product record
Approved
Marketing
Rx
Center
CDER
Patents
None listed

Molecular structure

RCSB Protein Data Bank

Experimental 3D structure for dornase alfa from the RCSB Protein Data Bank (PDB 4AWN).

3D molecular structure of dornase alfa (PDB entry 4AWN)

Interactive biological assembly from PDB entry 4AWN. Drag to rotate, scroll to zoom, and inspect the full atomic structure right here, with no need to leave the page.

Exclusivity & patent cliffs

Protection horizon
  1. Reference approval

    Approval date of the reference dornase alfa product.

    33 yr 2 mo ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    26 yr 1 mo ago

dornase alfa: frequently asked questions

Reference exclusivity, biosimilars, interchangeability, and patents for this molecule, from the FDA Purple Book.

Built from official FDA Purple Book records (monthly downloads, the Advanced Search interface, and the published Patent List), with reference-product, license-type, and exclusivity context for dornase alfa.

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