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

anifrolumab-fnia (Saphnelo)

anifrolumab-fnia is an FDA-licensed reference biologic from AstraZeneca AB.

351(a) biologicBLA 761451 AstraZeneca AB
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
2026

Reference product

Originator biologic
351(a)BLA 761451

Saphnelo anifrolumab-fnia

AstraZeneca AB

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

Molecular structure

RCSB Protein Data Bank

Experimental 3D structure for anifrolumab-fnia from the RCSB Protein Data Bank (PDB 4QXG).

3D molecular structure of anifrolumab-fnia (PDB entry 4QXG)

Interactive biological assembly from PDB entry 4QXG. 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 anifrolumab-fnia product.

    5 mo ago

anifrolumab-fnia: 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 anifrolumab-fnia.

Related FDA reference tools

Agent CTA Background

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