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Purple Book reference family · 351(a) biologic

aprotinin (Trasylol)

aprotinin is an FDA-licensed reference biologic from Bayer HealthCare Pharmaceuticals Inc..

351(a) biologicBLA 020304 Bayer HealthCare Pharmaceuticals Inc.
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
1993

Reference product

Originator biologic
351(a)BLA 020304

Trasylol aprotinin

Bayer HealthCare Pharmaceuticals Inc.

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

Molecular structure

RCSB Protein Data Bank

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, with no need to leave the page.

Exclusivity & patent cliffs

Protection horizon
  1. Reference approval

    Approval date of the reference aprotinin product.

    33 yr 2 mo ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    26 yr 1 mo ago

aprotinin: 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 aprotinin.

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Agent CTA Background

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