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Monoclonal antibody
TypeWhole antibody
Clinical data
Routes of
Intravenous injection
ATC code
  • none
CAS Number
  • none
Chemical and physical data
Molar mass145371.06 g·mol−1
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Farletuzumab (MORAb-003) is a humanized monoclonal antibody[1] of IgG1/κ[2] which is being investigated for the treatment of ovarian cancer.[3][4]

This drug was developed by Morphotek, Inc.

It is targeted at folate receptor alpha (FRα) which is overexpressed in some cancers such as epithelial ovarian cancer (EOC) and non-small-cell lung carcinoma.[2]

Mechanism of action[edit]

Farletuzumab uses the following mechanisms of action:[2]

  • Antibody-dependent cellular cytotoxicity
  • Complement-dependent cytotoxicity
  • Inhibition of interaction between FRα and Lyn kinase
  • Induces cell death associated with autophagy

Adverse effects[edit]

Common adverse effects include hypersensitivity reactions, fever, chills, headache, fatigue, and diarrhea.[2]


  1. ^ Statement On A Nonproprietary Name Adopted By The Usan Council - Farletuzumab, American Medical Association.
  2. ^ a b c d Sato S, Itamochi H (2016-03-07). "Profile of farletuzumab and its potential in the treatment of solid tumors". OncoTargets and Therapy. 9: 1181–8. doi:10.2147/OTT.S98242. PMC 4789847. PMID 27022278.
  3. ^ Clinical trial number NCT00738699 for "Phase II Efficacy and Safety Study of MORAb-003 in Platinum-Resistant or Refractory Relapsed Ovarian Cancer" at ClinicalTrials.gov
  4. ^ Clinical trial number NCT00849667 for "Phase III Efficacy and Safety of MORAb-003 in Subjects With Platinum-sensitive Ovarian Cancer in First Relapse" at ClinicalTrials.gov