How CRYSVITA works

What is CRYSVITA?
CRYSVITA contains the active substance burosumab. This is a type of medicine called a human monoclonal antibody.
Monoclonal antibodies are proteins that recognize and bind specifically to certain proteins in the body.

How does CRYSVITA work?
CRYSVITA attaches to FGF23 in the blood, which stops FGF23 from working and increases phosphate levels in the blood so that normal levels of phosphate can be achieved.