Istiratumab

Istiratumab
Monoclonal antibody
Type?
SourceHuman
TargetIGF1R, ErbB3
Clinical data
Other namesMM-141
ATC code
  • none
Identifiers
CAS Number
ChemSpider
  • none
UNII
KEGG
Chemical and physical data
FormulaC8802H13532N2392O2796S58
Molar mass199458.51 g·mol−1

Istiratumab (MM-141) is an experimental monoclonal antibody for the treatment of cancer. It is a bispecific antibody targeting IGF-1R and ErbB3.

It is in development by Merrimack Pharmaceuticals (In the US) and was awarded orphan drug status for pancreatic cancer.