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FDA Purple Book · Reference family

C1 Esterase Inhibitor Subcutaneous (Human) (Haegarda)

C1 Esterase Inhibitor Subcutaneous (Human) is an FDA-licensed reference biologic from CSL Behring GmbH. Reference exclusivity, biosimilar lineage, and published patents from official FDA Purple Book records.

0

Biosimilars

0

Interchangeables

0

Listed patents

2017

Reference approved

Reference product

351(a)BLA 125606

Haegarda C1 Esterase Inhibitor Subcutaneous (Human)

CSL Behring GmbH

Approved
Jun 22, 2017
Marketing
Rx
Center
CBER
Patents
None listed

Molecular structure

Experimental 3D structure for C1 Esterase Inhibitor Subcutaneous (Human) from the RCSB Protein Data Bank (PDB 5DU3).

3D molecular structure of C1 Esterase Inhibitor Subcutaneous (Human) (PDB entry 5DU3)

Interactive biological assembly from PDB entry 5DU3. 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 C1 Esterase Inhibitor Subcutaneous (Human), in chronological order.

  1. Reference approval

    Approval date of the reference C1 Esterase Inhibitor Subcutaneous (Human) product.

    9 yr 2 mo ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    2 yr 1 mo ago

Frequently asked questions

Are there biosimilars approved for C1 Esterase Inhibitor Subcutaneous (Human) (Haegarda)?

No 351(k) biosimilars or interchangeable biosimilars referencing C1 Esterase Inhibitor Subcutaneous (Human) are listed in the FDA Purple Book yet.

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