Abstract
Background
The tolerance and safety associated with the administration order of the anthracycline and taxane drugs have not been evaluated.
Patients and methods
Breast cancer patients with node-positive or high-risk patients with node-negative were eligible. The feasibility and toxicity were evaluated in the following regimens—arm A, 3 courses of fluorouracil 500 mg/m2, epirubicin 100 mg/m2 and cyclophosphamide 500 mg/m2 (FEC) followed by 3 courses of docetaxel 100 mg/m2 (DOC); arm B, 3 courses of DOC followed by 3 courses of FEC.
Results
Forty-two patients were registered. The relative dose intensity was 94.2 % for FEC and 97.8 % for DOC in arm A, and 98.9 % for DOC and 95.2 % for FEC in arm B. In arm A, grade 3 or higher hematological toxicity was observed in nine patients, and febrile neutropenia developed in three patients with FEC. In arm B, grade 3 or higher hematological toxicity was observed in seven patients, but febrile neutropenia was not noted in any patient.
Conclusion
The regimens in both arms A and B were safe regarding adjuvant chemotherapy for early breast cancer. However, DOC followed by FEC might be more tolerable. Further studies will maximize the results obtained with DOC followed by FEC.
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Abe, H., Mori, T., Kawai, Y. et al. Feasibility and toxicity of docetaxel before or after fluorouracil, epirubicin and cyclophosphamide as adjuvant chemotherapy for early breast cancer. Int J Clin Oncol 18, 487–491 (2013). https://doi.org/10.1007/s10147-012-0407-7
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DOI: https://doi.org/10.1007/s10147-012-0407-7