Title

Clinical outcomes of vitamin D deficiency and supplementation in cancer patients

Date of this Version

1-1-2013

Document Type

Journal Article

Publication Details

Citation only

Teleni, L., Baker, J., Koczwara, B., Kimlin, M. G., Walpole, E., Tsai, K., & Isenring, E. A. (2013). Clinical outcomes of vitamin D deficiency and supplementation in cancer patients. Nutrition Reviews, 71(9), 611-621.

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© Copyright,Wiley , 2013

2013 HERDC Submission FoR code: 111199

ISSN

0029-6643

Abstract

Results of recent studies suggest that circulating levels of vitamin D may play an important role in cancer-specific outcomes. The present systematic review was undertaken to determine the prevalence of vitamin D deficiency (<25nmol/L) and insufficiency (25-50nmol/L) in cancer patients and to evaluate the association between circulating calcidiol (the indicator of vitamin D status) and clinical outcomes. A systematic search of original, peer-reviewed studies on calcidiol at cancer diagnosis, and throughout treatment and survival, was conducted yielding 4,706 studies. A total of 37 studies met the inclusion criteria for this review. Reported mean blood calcidiol levels ranged from 24.7 to 87.4nmol/L, with up to 31% of patients identified as deficient and 67% as insufficient. The efficacy of cholecalciferol supplementation for raising the concentration of circulating calcidiol is unclear; standard supplement regimens of <1,000IU D3/day may not be sufficient to maintain adequate concentrations or prevent decreasing calcidiol. Dose-response studies linking vitamin D status to musculoskeletal and survival outcomes in cancer patients are lacking.

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This document has been peer reviewed.