Nipocalimab

Nipocalimab
Monoclonal antibody
TypeWhole antibody
SourceHuman
TargetFcRn
Clinical data
Trade namesImaavy
Other namesnipocalimab-aahu
License data
Routes of
administration
Intravenous infusion
ATC code
  • None
Legal status
Legal status
Identifiers
CAS Number
PubChem CID
DrugBank
UNII
KEGG
Chemical and physical data
FormulaC6266H9722N1670O1992S46
Molar mass141797.16 g·mol−1

Nipocalimab, sold under the brand name Imaavy, is a monoclonal antibody used for the treatment of generalized myasthenia gravis. It is a neonatal Fc receptor blocker. It is an high affinity, fully human, aglycosylated, effectorless immunoglobulin G (IgG) anti-FcRn monoclonal antibody.

Nipocalimab was approved for medical use in the United States in April 2025.