This prospective study of 512 women with early breast cancer evaluated the role of serum vitamin D levels as a potential factor influencing breast cancer prognosis. The average age was 50 and the average vitamin D levels was 58.1 nmol/L. Vitamin D levels were deficient (<50 nmol/L) in 192 women, insufficient (50 to 72 nmol/L) […]
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36,282 postmenopausal women were enrolled in a Women’s Health Initiative clinical trial to determine the effects of calcium and vitamin D on the incidence of hip fracture. Invasive breast cancer was a secondary outcome measure. Patients were randomly assigned to 1000 mg of calcium with 400 IU of vitamin D3 daily, or placebo for an […]
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In a population-based study, 1180 Caucasian women older than 55, were randomized to receive a calcium supplement , a calcium supplement plus 1100 IU of vitamin D (cholecalciferol), or a daily placebo. Health status and compliance to the regimen were assessed every 6 months over 4 years and serum vitamin D was measured at baseline […]
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The Women’s Healthy Eating and Living (WHEL) study is a multi-center, randomized controlled trial studying a total of 3088 women diagnosed with early stage breast cancers –stage I-IIIa who were diagnosed within the previous four years. Subjects in the WHEL study were randomized into either a treatment group, who’s diet consisted of; a daily dose […]
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In a population-based study, 1180 Caucasian women older than 55, were randomized to receive a daily placebo, calcium or calcium plus 1000 IU of vitamin D (cholecalciferol). Â Health status and compliance to the regimen were assessed every 6 months over 4 years and serum vitamin D was measured at baseline and annually. 1024 women […]
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This population-based cased-control study in Philadelphia consisted of 949 breast cancer cases and 1,524 controls. Herbal supplements including black cohosh, ginseng and red clover were the most prevalent preparations. After adjusting for potential confounding factors, black cohosh use was associated with a 61 percent reduction in the risk of breast cancer with an odds ratio […]
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One of the more newsworthy items of late, has been the decline of breast cancer seen in 2003. The rate of breast cancer in women in the U.S. fell significantly by 6.7% in 2003, according to data from the National Cancer Institute (NCI) registries. Data from 2004, showed a leveling off, with no real additional […]
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Rebbeck T, Troxel A, Norman S, et al. A retrospective case-control study of the use of hormone-related supplements and association with breast cancer. Int. J. Cancer 2006; 120:1523-1528. This population-based cased-control study in Philadelphia consisted of 949 breast cancer cases and 1,524 controls. Herbal supplements including Black Cohosh, ginseng and red clover were the most […]
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