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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Neoadjuvant 5-fluorouracil, epirubicin and cyclophosphamide chemotherapy followed by docetaxel in refractory patients with locally advanced breast cancer.
Oncology Reports 2007 January
The objective of this study was to evaluate the clinical response of locally advanced breast cancer (LABC) to neoadjuvant (NA) chemotherapy with 5-fluorouracil, epirubicin and cyclophosphamide (FEC) and to study the role of docetaxel in patients who fail to respond to first-line chemotherapy. Patients were enrolled who had primary tumours without distant metastasis that were too extensive for conservative surgery. All underwent NA chemotherapy for breast cancer and thereafter surgery and/or radical radiotherapy. NA chemotherapy with FEC was administered to 88 patients between February 1998 and June 2005. A median of 6 cycles of FEC (range 1-8) was given, followed in 21 cases by a median of 4 cycles (range 2-6) of docetaxel. Where clinically established, with FEC the clinical complete response (cCR) was 22/81 (27%), clinical partial response (cPR) 41/81 (51%), clinical stable disease (cSD) 18/81 (22%). In patients where the response to FEC was regarded as insufficient, docetaxel was given. Response rates were cCR 3/21 (14%); cPR 10/21 (48%), cSD 8/21 (38%). There were 11 cases of pathological complete response (pCR), 9 in the FEC-only group and 2 in the docetaxel group. Following chemotherapy 49 (56%) patients underwent mastectomy, 32 (36%) breast conserving surgery and 5 (6%) radical radiotherapy, giving a breast conservation rate of 42%. Two patients died before receiving surgery or radical radiotherapy. The results show that neoadjuvant FEC is a reasonable NA therapy in breast cancer and that docetaxel is effective in FEC refractory cases. Only 8 of 81 (10%) assessable patients did not respond to any chemotherapy, giving an overall clinical response rate of 90%, which is comparable to studies in which taxanes were given irrespective of response to preceding therapy with antracycline including regimes.
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