Skip to content
Assyro AI
Purple Book reference family · 351(a) biologic

pembrolizumab (Keytruda)

pembrolizumab is an FDA-licensed reference biologic from MSD International Business GmbH.

351(a) biologicBLA 125514 MSD International Business GmbH
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
2014

Reference product

Originator biologic
351(a)BLA 125514

Keytruda pembrolizumab

MSD International Business GmbH

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

Molecular structure

RCSB Protein Data Bank

Experimental 3D structure for pembrolizumab from the RCSB Protein Data Bank (PDB 5DK3).

3D molecular structure of pembrolizumab (PDB entry 5DK3)

Interactive biological assembly from PDB entry 5DK3. 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 pembrolizumab product.

    12 yr 3 mo ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    in 4 yr 5 mo

pembrolizumab: 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 pembrolizumab.

Related FDA reference tools

Agent CTA Background

Your Next Submission Could Take 6+ Fewer Weeks and Cost $250K Less.