Is your age between 18 yrs and 70 yrs? |
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Are you female? |
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Do you have Breast Cancer? |
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Do you have any of these conditions: Breast Cancer or cancer, breast or Breast Cancer Diagnosis or breast carcinoma? |
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Age between 18 and 70 years old |
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Patients with histologically confirmed unilateral invasive ductal carcinoma(according to WHO histologically type) |
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Tumor clinical staged as IIB-IIIB before neoadjuvant chemotherapy (according to the 7th AJCC edition) |
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After standard treatment (at least 6 cycles) of neoadjuvant chemotherapy (plan formulated by the attending doctor, including anthracycline and paclitaxel drugs combined with trastuzumab), assessed by the surgery, the original site for non - pCR (MP class 1-4) or lymph nodes are still positive for patients |
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No gross or microscopic tumor residual after resection |
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Patients with Her2 receptor positive (Specific definition: immunohistochemical detection of Her2 3+ or Her2 2 + but after FISH or CISH tested is positive) |
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No evidence of distant metastasis in the clinical or radiological aspects of preoperative. examination,that is M0 |
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Patients without peripheral neuropathy or I peripheral neurotoxicity |
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Eastern Cooperative Oncology Group (ECOG) performance status (PS) 1 |
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Patients recovered well after surgery, at least 1 weeks after the operation |
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Adequate marrow: White blood cells count3000/L,neutrophil count 1500/L, hemoglobin 9g/dL and platelet count 75000/L |
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Normal liver function test: Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST) 1.5upper limit of normal (ULN) concomitant with alkaline phosphatase (ALP) 2.5ULN, and bilirubin 1.5ULN |
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Adequate renal function: Serum creatinine 1.5ULN |
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Contraception during the treatment of child-bearing women |
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Adequate cardiac function :Left ventricular ejection fraction (LVEF) > 50% |
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Patients must be informed of the investigational nature of this study and give written informed consent |
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Patients without serious heart, lung, liver, kidney and other important organs disease history |
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Patients have good compliance |
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Patients with bilateral breast cancer or carcinoma in situ(DCIS/LCIS) |
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Metastasis of any part except axillary lymph nodes |
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Clinical or imaging suspicion of the contralateral breast is malignant but not confirmed, requiring biopsy |
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There have been malignant tumors (except for basal cell carcinoma and carcinoma in situ of cervix) in the last five years, including breast cancer |
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Patients have been enrolled in other clinical trials |
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Patients with severe systemic illnesses and/or uncontrolled infections are unable to join the study |
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Patients with severe cardio-cerebrovascular disorders (e.g., unstable angina pectoris, chronic heart failure, uncontrollable hypertension >160/100mmgh, myocardial infarction or cerebrovascular accident) in the first 6 months of randomization |
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Pregnant lactating women (child-bearing women must be negative for pregnancy test within 14 days prior to first delivery, if positive, the pregnancy should be excluded by ultrasound.) |
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Child-bearing women who are unwilling to take effective contraceptive measures in the course of research |
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Patients with mental illness, cognitive impairment, inability to understand test protocols and side effects, and those who fail to complete the trial programme and follow-up work (a systematic assessment is required before the trial) |
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Persons without personal freedom and independent civil capacity |
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