View clinical trials related to Breast Cancer.
Filter by:This prospective, multicentric single arm phase IV study is based on the protocol of the international TARGIT-A and TARGIT-E study. Patients ≥ 50 years with small, low-risk breast cancer who are operated but not irradiated show local relapse rates around 6% after 5 years. With adjuvant whole breast radiotherapy (WBRT) the local relapse rate drops to under 1% after 5 years under Tamoxifen (4). It has been demonstrated (6, 9, 10) that the efficacy of radiation of the tumor bed only in a selected group can be non-inferior to WBRT. The TARGIT C study should confirm the efficacy of a single dose of intraoperative radiotherapy (IORT) in a well selected group of patients with small breast cancer and absence of risk factors. In presence of risk factors postoperative WBRT will be added to complete the radiotherapeutic treatment according to international guidelines. Endpoints are the local relapse rate (within 2 cm of the tumor bed), ipsilateral relapse, cancer-specific and overall survival and contralateral breast cancer as well as documentation of quality of life and cosmetic outcome. The expected local relapse rates are 0.825/1.375% after 3/5 years, respectively. Discontinuation of the trial is scheduled if rates of local relapse rates rise to 1.55/2.4/4% after 1/3/5 years. Power calculations result in 387 patients with a calculated dropout and loss to follow-up rate of 10%, an alpha of 0.05 and a beta of 0.10. There will be only a pre-pathology stratum. It is a pragmatic trial in which each participating centre has the option to modify entry criteria and criteria for WBRT according to this core protocol after consultation with the steering committee and local ethics committee (e.g. size, free margins). Only centers with access to the Intrabeam® system (Carl Zeiss) can recruit patients into the trial.
In this study, positron emission tomography (PET/CT) imaging will be used to evaluate sigma-2 (σ2) receptor activity in sites of primary breast cancer using the investigational radiotracer [18F]ISO-1.
Adjuvant radiotherapy after lumpectomy allows a local long-term control of the order 85 to 95% with a survival rate equivalent to that of the totally mastectomy. The diminution of the local recurrence rate after irradiation post- lumpectomy is also associated to a best global survival than only the surgery. The adjuvant radiotherapy after partially or totally mastectomy for the progressive tumors is a therapeutic standard (Early Breast Cancer Trialists' Collaborative Group 2011). The aim of our trial of routine care is to record our practices under this breast adjuvant radiotherapy.
The purpose of this study is to test whether a radiotherapy regimen of 8 GY x 3 days over 5 days (every other day) is as safe (well-tolerated) and effective as 6 Gy x 5 over five consecutive days
The main purpose of follow-up in asymptomatic breast cancer patients during and after adjuvant treatment is to detect breast cancer recurrence and metastatic disease.The aim of this trial is to verify if, in asymptomatic patients, the serial measurement of serum CEA and CA 15.3, with diagnostic imaging procedures (18FDG-PET) performed only in case of a critical increase of serum CEA and CA 15.3 level, can anticipate the diagnosis of breast cancer local and distant recurrence compared to the usual follow-up practice.
The main purpose of this study is to evaluate how effective nonsteroidal aromatase inhibitors (NSAI) plus abemaciclib are in postmenopausal women with breast cancer. Participants will be randomized to abemaciclib or placebo in a 2:1 ratio.
Since the introduction of sentinel node biopsy in breast cancer, it has become clear that its use is reliable and reproducible. Today, it is clinical routine to not remove further lymph nodes from the axilla (arm pit) in case the sentinel node (which is the first lymph node/s reached by lymphatic flow from the breast) is free of tumor deposits. It is also routine to leave remaining lymph nodes behind in case the sentinel node contains a minimal cluster of tumor cells, called isolated tumor cells (formerly submicrometastasis). Even in slightly larger tumor deposits, so called micrometastasis (up to 2 mm in size), it has been shown that a completion axillary clearance (removal of further lymph nodes from the arm pit) does not contribute to a better survival. Data from a randomized study indicate that it seems safe to omit axillary clearance even if the sentinel node biopsy shows up to 2 nodes with tumor deposits over 2 mm in size (macrometastasis). These studies have changed clinical practice in many countries, however, it is still debated whether it is safe to omit axillary clearance in the case of sentinel node macrometastasis due to under-recruitment in the aforementioned study. The rationale for omitting extensive axillary surgery is the avoidance of postoperative morbidity such as arm lymphedema, loss of sensation, pain and swelling. The hypothesis is that refraining from axillary clearance in breast cancer patients with 1-2 sentinel nodes with macrometastasis will not worsen breast cancer-specific survival by more than a maximum of 2.5% after 5 years. This study is a prospective international randomized trial including 3500 patients. Breast cancer patients without signs of axillary nodal involvement will be eligible for sentinel node biopsy. Those who are found to have up to two sentinel node containing macrometastasis will be informed about this trial Those wishing to participate will be randomized to either undergo further axillary surgery (clearance) or not. Outcome measures are breast cancer-specific survival, disease-free survival, axillary recurrence rate and overall survival.
The study purpose is to evaluate whether or not clinical characteristics of women with breast cancer can predict which position for radiation treatment, prone or supine, will be associated with a dosimetry gain. Dosimetry gain in this study means the lowest radiation dose to non-target organs (heart, lungs, contralateral breast), while giving the prescribed dose to tumor bed and ipsilateral breast.
The aim of the study is to analyze the protective impact on the cardiac damage of beta blockers and ACE inhibitors for breast cancer patients treated with anthracyclines-based chemotherapy with or without trastuzumab.
The purpose of this study is to determine if cryotherapy can effectively decrease the rate of neuropathy in patients undergoing weekly paclitaxel treatments.