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FDA Purple Book · Reference family

galsulfase (Naglazyme)

galsulfase is an FDA-licensed reference biologic from BioMarin Pharmaceutical Inc.. Reference exclusivity, biosimilar lineage, and published patents from official FDA Purple Book records.

0

Biosimilars

0

Interchangeables

0

Listed patents

2005

Reference approved

Reference product

351(a)BLA 125117

Naglazyme galsulfase

BioMarin Pharmaceutical Inc.

Approved
May 31, 2005
Marketing
Rx
Center
CDER
Patents
None listed

Molecular structure

Experimental 3D structure for galsulfase from the RCSB Protein Data Bank (PDB 1FSU).

3D molecular structure of galsulfase (PDB entry 1FSU)

Interactive biological assembly from PDB entry 1FSU. Drag to rotate, scroll to zoom, and inspect the full atomic structure right here — no need to leave the page.

Exclusivity & patent cliffs

Approval, exclusivity, and published-patent expiration dates for galsulfase, in chronological order.

  1. Reference approval

    Approval date of the reference galsulfase product.

    21 yr 5 mo ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    14 yr 4 mo ago

Frequently asked questions

Are there biosimilars approved for galsulfase (Naglazyme)?

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

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