<prompt> Neutropenia after chemotherapy is treated by?LeucovorinFilgrastimOndansetronDarbepoetin  <response>: Ref: Goodman Gillman 13th ed. P 756 Filgrastim is G-CSF Granulocyte Colony Stimulating Factor The principal action of filgrastim is the stimulation of CFU-G to increase neutrophil production Forms of G-CSF are now available, including two longer- acting pegylated forms, pegfilgrastim and lipegfilgrastim. Use: Severe neutropenia after autologous hematopoietic stem cell transplantation Neutropenia after high dose cancer chemotherapy Congenital neutropenia Neutropenia of any other cause Dose: 1-20mgkgday via IV or subcutaneous route Side effect: Mild-to-moderate bone pain 