Active clinical trials for "Breast Neoplasms"

The IMRT-MC2 study is a prospective, two armed, multicenter, randomized phase-III-trial comparing intensity modulated radiotherapy with integrated boost to conventional radiotherapy with consecutive boost in patients with breast cancer after breast conserving surgery. 502 patients will be recruited and randomized in two arms: patients in arm A will receive IMRT in 28 fractions delivering 50.4 Gy to the breast and 64.4 Gy to the tumor-bed by an integrated boost, while patients in arm B will receive conventional radiotherapy of the breast in 28 fractions to a dose of 50.4 Gy and a consecutive boost in 8 fractions to a total dose of 66.4 Gy. Primary aim of the study is the assessment of the cosmetic outcome and local control after breast radiotherapy. The study hypothesis is that intensity modulated radiotherapy (IMRT) is, in spite of the reduced treatment duration, at least equivalent to conventional therapy.

To date, the scientific literature has yet to provide sufficient evidence regarding the pathophysiology of cording. The objective of this protocol is to evaluate the utility of non invasive vascular imaging for assessing the pathophysiology of cording in a small study cohort of patients who were treated for breast cancer. The hypothesis is that cording may have a vascular etiology

Evaluation of the diagnostic potential of HER2 imaging using zirconium 89 labelled trastuzumab.

A prospective population-based cohort study is being conducted in Ontario to evaluate whether the performance of Oncotype DX® changes the treatment recommended and the treatment received in women or men with node negative, ER positive breast cancer who are receiving (or will receive) endocrine therapy and who are candidates for chemotherapy. One thousand eligible consenting women and men will have their tumor tissue specimen sent to Genomic Health where the Oncotype DX® assay will be performed.

When a person has breast cancer it is necessary to find out whether the cancer has spread to the lymph nodes in the armpit because if it has, further treatment is likely to be needed. There are many of these nodes but when the breast cancer spreads, it does so in a step-by-step fashion, starting with the so-called Sentinel Lymph Node (SLN). At present, the only way to be sure whether there is cancer in the lymph nodes or not is to perform an operation to remove at least the SLN. If the pathologist finds cancer in the SLN, a second operation is usually required to remove further nodes in case they contain cancer too. Surgical removal of the lymph nodes in the armpit can cause difficulties for the patient afterwards, such as pain and swelling in the arm. If there is no cancer in the SLN, no further operations on the armpit are needed. The investigators wish to find out whether in some patients, operations on the armpit can be avoided completely. The first step in doing this is to test whether the investigators can find out which is the SLN before the operation, using a combination of an injection and ultrasound scanning. The injection - into the skin of the breast - would be a radioactive substance, which is the usual way the surgeon finds the SLN. The radioactive substance collects in the SLN and the investigators would use a "gamma probe" over the surface of the armpit to detect the radiation. In this initial study, the investigators would aim to find the SLN before the operation and place a marker wire in it so that the surgeon could check whether the investigators had found the correct node.

Primary Objectives Validate our previously generated tumor gene expression and proteomic profiles in this independent sample to determine the predictive power to distinguish good from poor clinical and pathological responders to adriamycin or docetaxel. Validate our previously generated plasma proteomic profiles in this independent sample to determine the predictive power to distinguish good from poor clinical and pathological responders to adriamycin and docetaxel. Secondary objectives To correlate adriamycin and docetaxel pharmacokinetics with Genetic polymorphisms of drug metabolizing enzymes and transporters, including MDR-1, Cyp3A, GSTs, and the nuclear receptors. Drug toxicity and tumor response. Peripheral mononuclear cell gene expression profiles To study ondansetron pharmacokinetics and correlate that with genetic polymorphisms.

25 patients, treated by brachytherapy in a phase II study "Mammosite" (from 2003 to 2005), will be asked to attend a clinical exam in order to evaluate the late cutaneous toxicity due to brachytherapy. During this consultation, a blood sample will be taken for analysis ( rate of CD8 T-Lymphocyte Apoptosis)

The purpose of this study is to provide physicians with additional information not available with standard imaging methods for breast disease. As part of the MRI examination ordered by your physician, a new method of analyzing the images or pictures will be used. This new method is called spectroscopy and is used routinely on other parts of the body such as the prostate and brain. Pictures produced with this sequence may look slightly different than the regular MRI pictures. Using spectroscopy data, it may be possible to distinguish benign conditions of the breast from malignant tumors and provide more precise information than can be obtained with regular MRI.

The scope of this trial is to assess the Sentinel Lymph Node Technique in Multifocal Breast Cancer

Clinical study to evaluate diagnostic accuracy of low dose contrast enhanced dual energy mammography imaging (CEDEM+PRIME) in comparison with CE-MRI The primary objective of this clinical study is to assess diagnostic accuracy in breast cancer detection in Contrast Enhanced Dual Energy Mammography compared to CEMRI. Sensitivity and specificity will be compared for both modalities.