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Clin Breast Cancer ; 8(5): 418-24, 2008 Oct.
Article in English | MEDLINE | ID: mdl-18952555

ABSTRACT

PURPOSE: We conducted a pilot study of dose-dense epirubicin/cyclophosphamide (EC) x 6 --> paclitaxel (P) x 6 with pegfilgrastim. A previous dose-dense trial of FEC (5-fluorouracil [5-FU]/EC) x 6 with filgrastim --> by weekly paclitaxel alternating with docetaxel x 18 was not feasible because of pneumonitis (with dose-dense FEC) and pericardial/pleural effusion (taxane phase). Dose-dense EC (without the 5-FU) is not associated with pneumonitis, and dose-dense paclitaxel (alone) is feasible. Primary objective was feasibility. PATIENTS AND METHODS: Patients with resectable breast cancer were enrolled, regardless of surgery status, tumor size, or nodal status. Treatment regimen consisted of every-2-week EC (100/600 mg/m2) x 6 --> by 2-weekly P (175 mg/m2) x 6 with pegfilgrastim 6 mg on day 2. RESULTS: Between November 2004 and May 2005, 38 patients were enrolled. The median age was 47 years (range, 30-72 years); 33 of 38 (87%) were treated in the adjuvant setting and 27 of 33 (81%) had involved nodes (range, 1-46); 5 of 38 (13%) were treated pre-operatively; 33 of 38 (87%) completed all chemotherapy as planned; the remaining patients (13%) had treatment modifications for toxicity. Febrile neutropenia occurred in 6 of 38 patients (16 %) and only during EC. There were 12 hospitalizations in 9 of 38 patients (24%) enrolled. CONCLUSION: Dose-dense every-2-week EC x 6 --> P x 6 with pegfilgrastim is feasible based on our prospective definition.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols/administration & dosage , Breast Neoplasms/drug therapy , Adult , Antineoplastic Combined Chemotherapy Protocols/adverse effects , Cyclophosphamide/administration & dosage , Cyclophosphamide/adverse effects , Epirubicin/administration & dosage , Epirubicin/adverse effects , Female , Humans , Middle Aged , Paclitaxel/administration & dosage , Paclitaxel/adverse effects , Pilot Projects
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