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Purple Book reference family · 351(a) biologic

alemtuzumab (Campath)

alemtuzumab is an FDA-licensed reference biologic from Genzyme Corporation.

351(a) biologicBLA 103948 Genzyme Corporation
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
2004

Reference product

Originator biologic
351(a)BLA 103948

Campath alemtuzumab

Also under this BLA: Lemtrada

Genzyme Corporation

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

Molecular structure

RCSB Protein Data Bank

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

3D molecular structure of alemtuzumab (PDB entry 1BEY)

Interactive biological assembly from PDB entry 1BEY. 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 alemtuzumab product.

    22 yr 3 mo ago

  2. Orphan exclusivity ends

    7-year orphan-drug exclusivity window.

    18 yr 8 mo ago

alemtuzumab: 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 alemtuzumab.

Related FDA reference tools

Agent CTA Background

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