Purple Book reference family · 351(a) biologic
panitumumab (Vectibix)
panitumumab is an FDA-licensed reference biologic from Amgen Inc..
351(a) biologicBLA 125147 Amgen Inc.
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
2006
Reference product
Originator biologic
351(a)BLA 125147
Vectibix panitumumab
Amgen Inc.
View full reference-product record- Approved
- Marketing
- Rx
- Center
- CDER
- Patents
- None listed
Molecular structure
RCSB Protein Data Bank
Experimental 3D structure for panitumumab from the RCSB Protein Data Bank (PDB 5SX4).

Interactive biological assembly from PDB entry 5SX4. 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
Reference approval
Approval date of the reference panitumumab product.
20 yr 3 mo ago
panitumumab: 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 panitumumab.
Related FDA reference tools
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- 510(k) Predicate DatabaseSearch FDA 510(k) clearances and map predicate-device lineage.
- FDA 483 DatabaseFDA Form 483 observations and inspection records by firm, date, and citation.

