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  • Title: Phase II trial of doxorubicin and docetaxel plus granulocyte colony-stimulating factor in metastatic breast cancer: Eastern Cooperative Oncology Group Study E1196.
    Author: Sparano JA, O'Neill A, Schaefer PL, Falkson CI, Wood WC.
    Journal: J Clin Oncol; 2000 Jun; 18(12):2369-77. PubMed ID: 10856096.
    Abstract:
    PURPOSE: The purpose of this multi-institutional phase II trial was to evaluate the efficacy and toxicity of doxorubicin and docetaxel plus granulocyte colony-stimulating factor (G-CSF) in patients with metastatic breast cancer. The primary objective was to determine whether the combination produced a response rate of at least 50%. PATIENTS AND METHODS: Fifty-four patients with metastatic breast cancer received doxorubicin (60 mg/m(2) by intravenous [IV] injection) followed 1 hour later by docetaxel (60 mg/m(2) by IV infusion over 1 hour) every 3 weeks for up to eight cycles. All patients also received G-CSF. RESULTS: Objective response occurred in 29 (57%) of 51 eligible patients (95% confidence interval [CI], 42% to 70%), including three patients who had a complete response (6%; 95% CI, 1% to 16%). The median response duration was 7 months (95% CI, 6.0 to 15.0 months), median time to treatment failure was 7. 6 months (95% CI, 6.2 to 9.9 months), and the median survival was 27. 5 months (95% CI, 21.5 months to upper limit not reached). The median cumulative doxorubicin dose was 395 mg/m(2) (range, 60 to 480 mg/m(2)). Fifteen patients (28%) were documented to have a decrease in the left ventricular ejection fraction below normal, and three patients (6%; 95% CI, 1% to 15%) developed congestive heart failure. CONCLUSION: Using criteria that we had defined a priori, the doxorubicin-docetaxel regimen as used in this study was sufficiently active and tolerable to justify a phase III comparison with doxorubicin-cyclophosphamide in early-stage breast cancer.
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