Women with high blood vitamin D levels at diagnosis have a good chance of long-term survival after ovarian cancer treatment, according to a study from the University of Queensland in Australia. Dietary intakes and blood samples were collected at diagnosis or after primary treatment of 670 women with ovarian cancer. During the following years, 59% of the women died with 95% of the deaths caused from ovarian cancer. Blood levels of vitamin D at diagnosis were significantly linked with mortality risk. Higher vitamin D levels were associated with a longer survival. The researchers suggest that vitamin D status at diagnosis might be an independent predictor of prognosis.
Webb P, de Fazio A, Protani M, et al: Circulating 25-hydroxyvitamin D and survival in women with ovarian cancer. American Journal of Clinical Nutrition 2015; 102:109-114.