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About
RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining more than one drug may kill more tumor cells. It is not yet known which regimen of chemotherapy is more effective for breast cancer.
PURPOSE: Randomized phase III trial to compare the effectiveness of two regimens of combination chemotherapy in treating women who have stage II or stage III breast cancer.
Full description
OBJECTIVES: I. Compare overall survival and disease free survival after adjuvant chemotherapy with epirubicin plus paclitaxel versus cyclophosphamide, epirubicin, and fluorouracil in women with stage IIA, IIB, or III breast cancer. II. Compare quality of life in these women with these treatment regimens.
OUTLINE: This is a randomized, multicenter study. Patients are randomized to one of two treatment arms within 35 days of surgery. Arm I: Patients receive epirubicin IV followed by paclitaxel IV over 3 hours on day 1. Treatment repeats every 21 days for 4 courses. Arm II: Patients receive cyclophosphamide IV, epirubicin IV, and fluorouracil IV on day 1. Treatment repeats every 21 days for 6 courses. Treatment continues in the absence of disease progression or unacceptable toxicity. Patients who are postmenopausal, or premenopausal and hormone receptor positive, receive tamoxifen orally once a day for 5 years starting on day 1. Patients receive radiotherapy to residual breast after 4 courses of chemotherapy. Quality of life is assessed. Patients are followed every 3 months for 3 years, every 6 months for 2 years, and then annually thereafter.
PROJECTED ACCRUAL: Approximately 1,000 patients will be accrued for this study over 5 years.
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Inclusion and exclusion criteria
DISEASE CHARACTERISTICS: Histologically confirmed stage IIA, IIB, or III breast cancer treated with radical surgery (e.g., mastectomy, quadrantectomy, tumorectomy) and axillary lymph node dissection Positive axillary lymph nodes No more than 9 metastatic lymph nodes No distant metastases or local or locoregional disease No more than 5 weeks between surgery and beginning of study Hormone receptor status: Not specified
PATIENT CHARACTERISTICS: Age: 70 and under Sex: Female Menopausal status: Not specified Performance status: ECOG 0 Life expectancy: Not specified Hematopoietic: WBC at least 3,000/mm3 Absolute neutrophil count at least 2,000/mm3 Platelet count at least 100,000/mm3 Hepatic: Transaminases, alkaline phosphatase, and gamma glutamyltransferase no greater than 1.5 times upper limit of normal Renal: Not specified Cardiovascular: No heart disease that precludes use of anthracyclines (i.e., myocardial infarction, uncontrolled angina pectoris, uncontrolled arrhythmias, or valve disease) Other: No concurrent pathology that precludes use of antineoplastic drugs No mental retardation or psychiatric disease that precludes study No other current or prior malignancy within the past 10 years except squamous or basal cell skin cancer or carcinoma in situ of the cervix Not pregnant or nursing Fertile patients must use effective contraception
PRIOR CONCURRENT THERAPY: Biologic therapy: Not specified Chemotherapy: No prior chemotherapy Endocrine therapy: No prior antineoplastic hormonal therapy Radiotherapy: No postoperative radiotherapy except to residual breast Surgery: See Disease Characteristics
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Data sourced from clinicaltrials.gov
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