The clinical ramifications and therapeutic evaluation of CSFs are the
subject of a rapidly moving field that holds great promise for the tre
atment of a variety of medical illnesses. Confirmed benefit of CSFs us
ed with chemotherapy in breast-cancer patients include: 1) a decreased
incidence and duration of granulocytopenia and resultant infections f
rom standard-dose chemotherapy; 2) decreased treatment delay and allow
ing use of full or somewhat increased dose-rate intensities with resul
tant improved response rates; 3) allowing substantial increments in si
ngle DI, dose-rate intensity and/or total delivered dose with probabil
ity of improved survival.