Cancer Information

granulocyte colony-stimulating factor

(GRAN-yoo-loh-SITE KAH-luh-nee-STIM-yoo-LAY-ting FAK-ter)

A colony-stimulating factor that stimulates the production of neutrophils (a type of white blood cell). It is a cytokine that is a type of hematopoietic (blood-forming) agent. Also called filgrastim and G-CSF.