Assyro AI
FDA Purple Book · Reference family

aprotinin (Trasylol)

aprotinin is an FDA-licensed reference biologic from Bayer HealthCare Pharmaceuticals Inc.. Reference exclusivity, biosimilar lineage, and published patents from official FDA Purple Book records.

0

Biosimilars

0

Interchangeables

0

Listed patents

1993

Reference approved

Reference product

351(a)BLA 020304

Trasylol aprotinin

Bayer HealthCare Pharmaceuticals Inc.

Approved
Dec 29, 1993
Marketing
Disc
Center
CDER
Patents
None listed

Molecular structure

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

3D molecular structure of aprotinin (PDB entry 1BPI)

Interactive biological assembly from PDB entry 1BPI. 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 aprotinin, in chronological order.

  1. Reference approval

    Approval date of the reference aprotinin product.

    33 yr ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    25 yr 11 mo ago

Frequently asked questions

Are there biosimilars approved for aprotinin (Trasylol)?

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

Related FDA reference tools

Explore the full FDA Purple Book

Search every FDA-licensed biologic, biosimilar, and interchangeable with exclusivity timelines and patent records.

Open the Purple Book tool