Muromonab-CD3

Muromonab-CD3
Monoclonal antibody
TypeWhole antibody
SourceMouse
TargetCD3
Clinical data
Trade namesOrthoclone OKT3
AHFS/Drugs.comConsumer Drug Information
MedlinePlusa605011
Routes of
administration
Intravenous
ATC code
Legal status
Legal status
  • In general: ℞ (Prescription only)
Identifiers
CAS Number
DrugBank
ChemSpider
  • none
UNII
KEGG
ChEMBL
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC6460H9946N1720O2043S56
Molar mass146189.98 g·mol−1
 NY (what is this?)  (verify)

Muromonab-CD3 (brand name Orthoclone OKT3, marketed by Janssen-Cilag) is an immunosuppressant medication given to reduce acute rejection in people with organ transplants. It is a monoclonal antibody targeted at the CD3 receptor, a membrane protein on the surface of T cells. It is the first monoclonal antibody to be approved for clinical use in humans.