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FDA Purple Book · Reference family

interferon alfacon-1 (Infergen)

interferon alfacon-1 is an FDA-licensed reference biologic from Kadmon Pharmaceuticals LLC. Reference exclusivity, biosimilar lineage, and published patents from official FDA Purple Book records.

0

Biosimilars

0

Interchangeables

0

Listed patents

1997

Reference approved

Reference product

351(a)BLA 103663

Infergen interferon alfacon-1

Kadmon Pharmaceuticals LLC

Approved
Oct 06, 1997
Marketing
Disc
Center
CDER
Patents
None listed

Exclusivity & patent cliffs

Approval, exclusivity, and published-patent expiration dates for interferon alfacon-1, in chronological order.

  1. Reference approval

    Approval date of the reference interferon alfacon-1 product.

    29 yr 1 mo ago

Frequently asked questions

Are there biosimilars approved for interferon alfacon-1 (Infergen)?

No 351(k) biosimilars or interchangeable biosimilars referencing interferon alfacon-1 are listed in the FDA Purple Book yet.

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