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Purple Book reference family · 351(a) biologic

chymopapain (Chymodiactin)

chymopapain is an FDA-licensed reference biologic from DisCure Medical, LLC.

351(a) biologicBLA 018663 DisCure Medical, LLC
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
1982

Reference product

Originator biologic
351(a)BLA 018663

Chymodiactin chymopapain

DisCure Medical, LLC

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

Molecular structure

RCSB Protein Data Bank

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

3D molecular structure of chymopapain (PDB entry 1YAL)

Interactive biological assembly from PDB entry 1YAL. 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 chymopapain product.

    44 yr 6 mo ago

chymopapain: 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 chymopapain.

Related FDA reference tools

Agent CTA Background

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