Det består af filgrastim, en kopi af et humant protein kaldet granulocyt kolonistimulerende faktor (G- CSF), som er blevet ‘ pegyleret ’ (dvs. overtrukket med det kemiske stof polyethylenglycol).
It consists of filgrastim, a copy of a human protein called granulocyte colony stimulating factor (G-CSF), which has been ‘ pegylated’ (coated with a chemical called polyethylene glycol).