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In the US, Alemtuzumab (alemtuzumab systemic) is a member of the drug class CD52 monoclonal antibodies and is used to treat Chronic Lymphocytic Leukemia, Multiple Sclerosis and Rheumatoid Arthritis.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category


Chemical Name

Immunoglobulin G 1 (human-rat monoclonal CAMPATH-1Hgamma1-chain anti-human antigen CD52), disulfide with human-rat monoclonal CAMPATH-1H light chain, dimer (WHO )

Foreign Names

  • Alemtuzumabum (Latin)
  • Alemtuzumab (German)
  • Alemtuzumab (French)
  • Alemtuzumab (Spanish)

Generic Names

  • Alemtuzumab (OS: BAN, USAN)
  • Alemtuzumab (Genetical Recombination) (OS: JAN)
  • BW 7U (IS)
  • LDP 03 (IS)
  • Monoclonal anti-human lymphocyte antibody (IS)
  • Monoclonal antilymphocyte antibody (IS)
  • Monoklonaler Antik├Ârper Anti-Lymphozyten, humanisiert (IS)

Brand Names

  • Campath
    Bayer, Peru; Genzyme, United States
    Genzyme, Germany; Genzyme, Ireland; Genzyme, United States; Genzyme Europe, Netherlands; Genzyme Therapeutics, United Kingdom
  • Lemtrada
    Genzyme, Belgium; Genzyme, Canada; Genzyme, Finland; Genzyme, Italy; Genzyme, Norway; Genzyme, Poland; Genzyme, Romania; Genzyme Europe, Austria; Genzyme Therapeutics, Slovenia; Sanofi, Sweden; Sanofi Aventis, Spain; Sanofi-Aventis, Switzerland; Sanofi-Aventis, Denmark
  • MabCampath
    Bayer Healthcare, Indonesia; Genzyme, Australia; Genzyme, Canada; Genzyme, Czech Republic; Genzyme, Spain; Genzyme, Italy; Genzyme, Lithuania; Genzyme, Turkey; Sanofi-Aventis, Slovenia; Schering, Portugal
  • Mabcampath
    Sanofi-Aventis, Hong Kong
  • Mab-Campath
    Genzyme, Greece


BANBritish Approved Name
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

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