abstract |
A chimeric protein comprising a first polypeptide chain and a second depolypeptide chain, wherein said first polypeptide chain comprises a coagulation factor and at least a part of a constant region of immunoglobulin that is a neonatal Fc receptor binding component ( FcRn), and wherein said second polypeptide chain consists of a constant region of immunoglobulin, or a part thereof, which is an FcRn binding component, for use in a treatment procedure. |