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Browse 4,817 clinical trials for breast cancer. Find studies that match your criteria and connect with research centers.
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NCT01830244
The aim of this project is to evaluate tailored primary systemic therapy with sequential nab paclitaxel and epirubicin and cyclophosphamide in early breast cancer. This study will be an open label phase II clinical trial. The hypothesis is that tailored neoadjuvant chemotherapy with sequential nab paclitaxel and epirubicin and cyclophosphamide is feasible and achieves high response rates. It is proposed that 60 patients will be enrolled in this study including 40 patients which are likely to have chemotherapy sensitive tumors and 20 patients who have ER positive tumors and are more likely to respond to hormonal treatment as an exploratory cohort. The target population is women with early breast cancer who are eligible for primary systemic therapy. The overall response rate in the breast will be measured. Secondary endpoints will include response rates in axillary lymph nodes, safety and tolerability and the rate of breast conservation. Participants will have a blood test to determine a specific genotype status that may help in predicting sensitivity to chemotherapy. This genotype test result is exploratory and will not influence selection of therapy for participants. Patients will also be given the option of having he their tumour tissues used in laboratory studies involving isolating cancer initiating cells from the tumor to subsequently generate breast cancer models in the laboratory and using aptamers (chemical antibodies) to target tumours.
NCT00923377
Background: * Research suggests that breast cancers may arise from a population of stem cells in the normal mammary gland that produce clones of cancer cells. * Researchers are now trying to determine what events may initiate the formation of cancer cells. Objectives: * To look for and describe breast stem cells from normal breast tissue from women who do not have breast cancer. * To compare the breast stem cells between women at increased risk for breast cancer and women at average risk for breast cancer. * To show a relationship between the number and type of breast stem cells with the density (appearance) of the mammogram (breast x-ray). * To make cell cultures (grow cells under controlled conditions) from the breast stem cells. Eligibility: -Women 18 years of age and older who are at average or increased risk for breast cancer. Design: Participants complete a health history questionnaire, family history questionnaire and risk assessment questionnaire. * Participants have a mammogram and breast biopsy (surgical removal of a sample of breast tissue). * Women who can become pregnant have a urine pregnancy test....