hormone receptor positive and HER2 negative primary breast cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1)Female primary breast cancer patients who are diagnosed as invasive breast cancer by needle biopsy or tissue biopsy. 2)Resectable primary breast cancer (T1c-3 N0-1 M0) and tumor size is 7 cm or smaller. Multiple ipsilateral breast cancer is eligible when at least 1 lesion meets the eligible criteria. However, each lesion has to be histologically evaluated. 3)Status of ER and PgR are confirmed by immunohistochemical staining, and Estorogen receptor(ER) and/or Progesterone receptor(PgR) positive. 4)HER2 expression is confirmed by Immunohistochemistry (IHC or FISH); and IHC=0-1+, OR if IHC 2+ -> FISH negative. 5)Age between 20 years old and 70 years old 6)Performance status (PS) 0-1. 7)Results from a laboratory test meet the following (within 14days before registration): Leukocyte count is >=4000/mm3 and <=12 000/mm3 or neutrophil count is >=2000/mm3 Hemoglobin >=9.0g/dL Platelet >=100,000/mm3 AST and ALT <=x 2.5 of upper limit of normal (ULN) total bilirubin or direct bilirubin <=ULN Serum creatinine <=x 1.5 of ULN 8) Left ventricular ejection fraction (LVEF) is >=55% measured by echocardiography or MUGA scan. 9)No clinical abnormality by electrocardiography 10)No interstitial pneumonia or pulmonary fibrosis diagnosed by chest CT scan. 11)Evaluate images of the primary lesion before and after treatment by CT, MRI or ultrasound. The evaluation must be based on the same modality. 12)No previous treatments for breast cancer such as chemotherapy, hormone therapy, molecular target therapy, radiotherapy and immunotherapy. 13)Considered eligible to neoadjuvant chemotherapy based on decision of the attending physician after considering other treatments such as surgery, chemotherapy, hormone therapy. 14)Urinary or serum HCG negative when menopause is not confirmed (excluding patients underwent ovariectomy or hysterectomy). 15)Signed written informed consent
Exclusion criteria
Exclusion criteria: 1)Hypersensitivity to any agents necessary in the planned treatment. 2)Poorly controlled complication (malignant hypertension, myocardial infarction within 6 months, congestive heart failure, coronary insufficiency, arrhythmia which requires treatment, infection and bleeding). 3)Fever with suspected infection. 4)Symptoms of varicella. 5)Pleural effusion or cardiac effusion which requires treatment. 6)Serious edema. 7)Serious peripheral neuropathy 8)Complication which requires prior treatment with corticosteroid. 9)Regular use of H2 blocker. 10)Has history of or receiving treatment for serious psychiatric disorder case. 11)Synchronous bilateral breast cancer excluding contralateral non-invasive cancer (DCIS/LCIS). 12)History of invasive breast cancer. 13)Multiple primary cancer .However, carcinoma in situ can be cured by local treatment is not included in multiple primary cancer. 14)History of multiple primary cancers in the past 5 years, excluding nonmelanoma skin cancer, cervical cancer, thyroid cancer, early gastric cancer and early colorectal cancer appropriately treated. 15)Prior treatment with anticancer case. 16)Women who are pregnant, lactating or with childbearing potential. 17)Ineligible based on decision of an investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| pathological complete rseponse rate | — |
Secondary
| Measure | Time frame |
|---|---|
| Safety,Overall response rate,Disease-free survival,Overall surviva, Clinical response evaluation using various diagnostic imaging techniques | — |
Countries
Japan
Contacts
Japan Breast Cancer Research Group (JBCRG) Adminstrative office