what is zarxio
Zarxio is a man-made form of granulocyte colony-stimulating factor (G-CSF). G-CSF is a substance produced by the body. It stimulates the growth of neutrophils, a type of white blood cell important in the bodyâs fight against infection.
FDA Approves Zarxio. Zarxio is the first biosimilar to be approved in the United States. The United States Food and Drug Administration (FDA) has approved Zarxio (filgrastim-sndz), a leukocyte growth factor biosimilar to the reference product Neupogen. It is indicated for the treatment of neutropenia associated with chemotherapy and all other indications included in the reference product's label.