
Chemotherapy With or Without Trastuzumab After Surgery in Treating Women With Invasive Breast Cancer...
HER2/Neu PositiveProgesterone Receptor Positive7 moreThis randomized phase III clinical trial studies chemotherapy with or without trastuzumab after surgery to see how well they work in treating women with invasive breast cancer. Drugs used in chemotherapy work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving more than one drug (combination chemotherapy) and giving chemotherapy after surgery may kill more tumor cells. Monoclonal antibodies, such as trastuzumab, can block cancer growth in different ways. Some block the ability of tumor cells to grow and spread. Others find tumor cells and help kill them or carry tumor-killing substances to them. It is not yet known whether combination chemotherapy is more effective with trastuzumab in treating breast cancer.

Accelerated Hypofractionated Radiotherapy (AHF-RT) for the Treatment of Breast Cancer
Breast CancerThe goal of this study is to explore the safety, effectiveness, quality of life, and cost effectiveness of accelerated hypofractionated radiotherapy (AHF-RT) as treatment after lumpectomy in patients with early stage breast cancer.

Ixabepilone in Treating Participants With Significant Residual Disease of HER2/Neu Negative Invasive...
Bilateral Breast CarcinomaHER2/Neu Negative1 moreThis phase II trial studies how well ixabepilone compared with standard of care works in treating patients with HER2/Neu negative breast cancer that remains after undergoing systemic therapy. Ixabepilone works by blocking cell division which may cause cancer cell death.

Partial Breast Proton Therapy for Early Stage Breast Cancer
Breast CancerThe purpose of this is to determine the efficacy and toxicity of proton therapy when used to deliver partial breast radiotherapy in patients with early stage breast cancer with low or intermediate risk factors.

Veliparib, Paclitaxel, and Carboplatin in Treating Patients With Solid Tumors That Are Metastatic...
Breast CarcinomaCarcinoma of Unknown Primary12 moreThis phase I trial studies the side effects and the best dose of veliparib when given together with paclitaxel and carboplatin in treating patients with solid tumors that are metastatic or cannot be removed by surgery and liver or kidney dysfunction. Veliparib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as paclitaxel and carboplatin, work in different ways to stop the growth of tumor cells either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving veliparib together with paclitaxel and carboplatin may kill more tumor cells.

Hormone Therapy With or Without Combination Chemotherapy in Treating Women Who Have Undergone Surgery...
Breast AdenocarcinomaHormone Receptor Positive5 moreThis randomized phase III trial studies the best individual therapy for women who have node-negative, estrogen-receptor positive breast cancer by using a special test (Oncotype DX), and whether hormone therapy alone or hormone therapy together with combination chemotherapy is better for women who have an Oncotype DX recurrence score of 11-25. Estrogen can cause the growth of breast cancer cells. Hormone therapy may fight breast cancer by blocking the use of estrogen by the tumor cells or by lowering the amount of estrogen the body makes. Drugs used in chemotherapy work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving hormone therapy together with more than one chemotherapy drug (combination chemotherapy) has been shown to reduce the chance of breast cancer recurrence, but the benefit of adding chemotherapy to hormone therapy for women with node-negative, estrogen-receptor positive breast cancer is small. New tests may provide information about which patients are more likely to benefit from chemotherapy.

Extension Study of Lapatinib Plus Herceptin With or Without Endocrine Therapy
Breast CancerBreast cancer is the most common malignancy in the U.S. Targeted therapies such as tamoxifen have been revolutionary in reducing tumor recurrences and mortality in early breast cancer. Using this successful paradigm, there has been a continued search for other targeted biologic therapies directed at receptors with known potential for promoting tumor growth. The estrogen receptor (ER) and/or the HER signaling pathways are the dominant drivers of cell proliferation and survival in the majority of human breast cancers. Molecular targets of these pathways provide the most effective therapies in appropriately selected patients. However, de novo and acquired resistance remain major obstacles to successful treatment, and understanding the molecular pathways responsible for this resistance would enable the discovery of new strategies to overcome it. The superiority of multi-drug HER2-targeted therapy over single agent therapy has been demonstrated in the preclinical setting using mouse xenografts. Trastuzumab, pertuzumab, lapatinib, and gefitinib, represent a group of therapeutic agents that target the HER family by different molecular mechanisms. Used as single agents in the MCF7/HER2-18 xenograft model, these drugs restored or enhanced sensitivity to tamoxifen. However, tumor growth inhibition lasted only 2-3 months before resistance to treatments occurred. However, when gefitinib, a HER1 inhibitor, was added to the two-antibody (T+P) regimen to block signals from HER1 dimers, a complete disappearance of nearly all xenograft tumors was observed; moreover, there was evidence of complete tumor eradication in 50% of the mice. The combination of lapatinib + trastuzumab was also highly effective in eradication of tumor burden, with no evidence of re-growth after 200 days. These xenograft models demonstrate that multi-drug HER2-targeted therapy more effectively induces apoptosis and inhibits proliferation, thereby resulting in tumor regression. Furthermore, HER2 combination therapy appears to more effectively reduce levels of phosphorylated pAKT and MAPK, thus resulting in sustained tumor inhibition.

Neo Adjuvant Chemotherapy in Triple Negative Breast Cancer
Breast CancerThis study aims to compare the response of triple-negative breast cancer with deficient homologous recombination to intensified alkylating chemotherapy versus standard chemotherapy with dose dense AC and/or Docetaxel-Capecitabine.

Radiation Therapy in Treating Women With Early Stage Breast Cancer
Breast CancerRATIONALE: Radiation therapy uses high-energy x-rays to kill tumor cells. Giving radiation therapy in different ways may kill more tumor cells. Giving it after surgery may kill any tumor cells that remain after surgery. PURPOSE: This phase II trial is studying the side effects of radiation therapy and to see how well it works in treating women with early stage breast cancer.

Suppression of Ovarian Function With Either Tamoxifen or Exemestane Compared With Tamoxifen Alone...
Estrogen Receptor Positive Breast CancerProgesterone Receptor Positive Tumor6 moreRATIONALE: Estrogen can stimulate the growth of breast tumor cells. Ovarian function suppression combined with hormone therapy using tamoxifen or exemestane may fight breast cancer by reducing the production of estrogen. It is not yet known whether suppression of ovarian function plus either tamoxifen or exemestane is more effective than tamoxifen alone in preventing the recurrence of hormone-responsive breast cancer. PURPOSE: This randomized phase III trial studies ovarian suppression with either tamoxifen or exemestane to see how well they work compared to tamoxifen alone in treating premenopausal women who have undergone surgery for hormone-responsive breast cancer.