12 Clinical Trials for Various Conditions
1. To develop brief informational videos, Vidscrips, that can be sent to women following their mammogram to provide personalized information that integrates breast density with overall breast cancer risk, and provides information about additional care recommendations and talking tips for conversations with the health care providers. 2. To test the effectiveness of this tool in a trial of 300 women undergoing mammography. The investigators hypothesize that individuals in the intervention arm (vs. those in the standard care arm who receive a letter with the language required by the legislation) will have more accurate knowledge of their overall risk of breast cancer, their Mammographic Breast Density (MBD) result, more appropriate observed and intended use of additional screening \[i.e., use of screening Magnetic Resonance Imaging (MRI) will be reserved only for women at high risk of breast cancer\], better satisfaction with their episode of breast cancer screening, less decisional conflict about their personal decision for any additional evaluation, and less worry about breast cancer.
The overall objective of this clinical study is to determine the feasibility of breast CT for breast density assessment and association of CT-derived density measures with metabolic syndrome in overweight/obese Mexican-origin women in Southern Arizona. These evaluations will help support follow-up clinical research utilizing breast density acquired by breast CT as a surrogate endpoint biomarker to evaluate breast cancer preventive strategies. The long-term goal of these research efforts is to develop safe and effective preventive strategies to reduce obesity-associated breast cancer burden in our catchment area.
The overall hypothesis is that the combination of a low dose of the antiestrogen Raloxifene with omega-3 fatty acids will exert a synergistic breast cancer chemopreventive effect due to the crosstalk of their downstream cellular effects leading to decreased proliferation and increased apoptosis of premalignant mammary cells. Based on the investigators hypothesis that upregulation of functional estrogen receptors in the premalignant lesions is also responsible for the development of hormone independent tumors, the investigators postulate that the combination of antiestrogens and omega-3 fatty acids will reduce the development of both hormone-dependent and -independent tumors. At present, there are no known interventions able to decrease the development of hormone-independent tumors, which are more prevalent, more aggressive, leading to the patient's demise. In addition, the investigators postulate that this approach will be safe since it will combine a lower and hence a less toxic dose of Raloxifene with the administration of omega-3 fatty acids which are known to have health benefits, i.e., reduction in cardiovascular risk, beyond their possible chemo preventive effect in breast cancer.
There is laboratory evidence that cholesterol lowering medications (statins) inhibit the growth of breast cancer cells. Clinical studies are controversial but some show that women taking statins are less likely to get breast cancer. This ongoing randomized trial compares one-year of atorvastatin (Lipitor™) or placebo for lowering mammography-defined breast density and other surrogate markers associated with breast cancer risk.
The purpose of the study is to evaluate whether hCG will result in a decrease in breast density. High breast density has been associated with an increased risk in breast cancer. It has also been shown that decreasing density with a drug called tamoxifen has resulted in a decreased risk in breast cancer. The investigators are looking at the effect of hCG on breast density in people who are at increased risk of developing breast cancer and our theory postulates that through the hormonal actions of hCG and tamoxifen there would be a greater reduction in breast density in patients who are treated with hCG and tamoxifen versus patients treated with tamoxifen alone. Using this data the investigators will be able to hypothesize that the treatment of hCG will result in a reduction in breast cancer rates in the population and thus make available another drug which can be used to decrease the rates of breast cancer in the population
This phase III trial compares denosumab to placebo for the prevention of breast cancer in women with a BRCA1 germline mutation. A germline mutation is an inherited gene change which, in the BRCA1 gene, is associated with an increased risk of breast and other cancers. Denosumab is a monoclonal antibody that is used to treat bone loss in order to reduce the risk of bone fractures in healthy people, and to reduce new bone growths in cancer patients whose cancer has spread to their bones. Research has shown that denosumab may also reduce the risk of developing breast cancer in women carrying a BRCA1 germline mutation.
Data supporting a role for RANKL signaling in mammographic density and breast cancer development has begun to emerge, but clinical trial data providing definitive evidence that would allow the adoption of RANKL inhibition in primary breast cancer prevention are not yet available. The hypothesis is that RANKL inhibition with denosumab will decrease mammographic density in high-risk premenopausal women with dense breasts. To address this, the investigators have developed this clinical trial to quantify the impact of RANKL inhibition on mammographic density in high-risk premenopausal women with dense breasts and to determine the effect of RANKL inhibition on markers of proliferation and biomarkers of breast cancer risk. Successful demonstration that RANKL inhibition reduces mammographic density could open up additional approaches to primary breast cancer prevention in high-risk premenopausal women, who do not have dominant genetic predisposition.
A robust knowledge of how to reduce breast density could play a key role in breast cancer prevention in premenopausal women, but viable preventative targets to reduce breast density-associated breast cancer risk are yet to be developed. The investigators propose to investigate the effect of RANKL inhibition with denosumab on breast tissue markers in high-risk premenopausal women with dense breasts. Study findings could provide robust evidence to move forward with a clinical trial targeting RANKL inhibition in premenopausal breast cancer prevention.
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....
Soy consumption has been associated with reduced risk for developing breast cancer. Ovarian hormones and breast density are considered breast cancer risk markers. We propose to test the hypothesis that consumption of soy protein reduces ovarian steroid hormones and results in a corresponding reduction in breast density comparing to casein protein.
RATIONALE: Green tea extract contains ingredients (catechins) that may lower the risk of breast cancer. PURPOSE: This phase II trial is studying how well green tea extract works in preventing breast cancer compared to a placebo in postmenopausal women with high breast density. The investigators have hypothesized that green tea consumption reduces breast cancer risk, and this effect is seen primarily in women who have the low-activity COMT genotype. The investigators will test this by evaluating the effects of green tea extract on breast cancer biomarkers including mammographic density, plasma insulin-like growth factor 1 (IGF-1), IGF binding protein 3 (IGFBP-3), estrone, estradiol, androstenedione, sex hormone binding globulin (SHBG), urinary estrogen metabolites and plasma F2-isoprostanes.
Soy consumption has been associated with reduced risk for developing breast cancer. Soy contains isoflavones which are weak estrogens. The roles of soy isoflavones in reducing breast cancer risk are currently unclear. Breast density has been considered as a breast cancer risk marker. We hypothesize that because isoflavones have estrogen-like activities, breast density and possibly bone density will be lower in women on soy-isoflavones.