Higher vitamin D levels associated with improved breast and colorectal cancer survival.
An article published online in the European Journal of Cancer reports the results of two meta-analyses conducted by researchers at the German Cancer Research Center in Heidelberg, which affirm a protective effect for higher levels of vitamin D against the risk of dying from breast cancer as well as colorectal cancer.*
The researchers selected five studies that involved 4,413 breast cancer patients and five studies that included 2,330 colorectal cancer patients. Analysis of the selected studies uncovered a 38% average lower risk of dying from any cause and a 42% lower risk of dying from breast cancer when the highest versus lowest categories of serum 25-hydroxyvitamin D levels were compared. For colorectal cancer, the risk averaged 29% lower for all-cause mortality and 35% lower for disease-specific death among the highest groups.
Editor's Note: Authors Haifa Maalmi and colleagues note, "The rather consistent results found in our meta-analyses suggest vitamin D supplementation might bear a potential to improve prognosis among colorectal and breast cancer patients, a suggestion that should be followed up and tested in randomized controlled trials."
* Eur J Cancer 2014 Feb 27.
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|Title Annotation:||IN THE NEWS|
|Date:||Jul 1, 2014|
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