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This is an open labeled phase III randomized trial. The patients with clinical stage II and III will undergo mammotome biopsy of breast tumor for histologic diagnosis, immunohistochemical studies for estrogen receptor(ER), progesterone receptor(PR), HER-2/neu and others. PET results will determine the positivity of lymph node metastasis.
Full description
Patients who do not respond to the initial two cycles of preoperative chemotherapy will undergo operation.
The response rate will be determined by the number of patients with complete and partial responses according to RECIST guidelines. Pathologic complete response is defined as no pathologic evidence of residual disease. Safety will be evaluated by the frequency, severity, and relationship of adverse events graded by NCI Common Toxicity Criteria(CTC) that occur during the treatment and follow-up periods. Time to disease progression will be calculated from the date of study entry to the first objective documentation of progressive disease. Response duration will be measured from the date a patient first fulfills the CR or PR criteria to the first date of objective documentation of disease progression. Survival time will be calculated from the date of study entry to the date of death
Enrollment
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Inclusion criteria
All patients must have histologically confirmed and newly diagnosed breast cancer: stage II and III breast cancer.
PET results will determine node positivity.
No prior hormonal , chemotherapy or radiotherapy is allowed.
No breast operation other than biopsy to make diagnosis is allowed.
Age:18-years and older, not pregnant pre-, and postmenopausal women with good performance status (ECOG 0-1)
Adequate hematopoietic function:
Adequate renal function: Serum creatinine <=1.5 mg/dl
Adequate hepatic function:
Adequate cardiac function: normal or nonspecific EKG taken within 1 mo of enrollment
Exclusion criteria
Primary purpose
Allocation
Interventional model
Masking
209 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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