- Neoadjuvant or adjuvant EC therapy: Patients receive epirubicin IV over 3-5 minutes and cyclophosphamide IV (EC) on day 1 and filgrastim (G-CSF) subcutaneously on days 2-9 or 10. Treatment repeats every 10-11 days for 4 courses in the absence of disease progression or unacceptable toxicity.