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|Title:||Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men.|
|Authors:||Avenell A; Mak JC; O'Connell DL|
|Journal Title:||Cochrane Database of Systematic Reviews|
|Abstract:||Abstract BACKGROUND: Vitamin D and related compounds have been used to prevent osteoporotic fractures in older people. This is the third update of a Cochrane review first published in 1996. OBJECTIVES: To determine the effects of vitamin D or related compounds, with or without calcium, for preventing fractures in post-menopausal women and older men. SEARCH METHODS: We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register (to December 2012), the Cochrane Central Register of Controlled Trials (2012, Issue 12), MEDLINE (1966 to November Week 3 2012), EMBASE (1980 to 2012 Week 50), CINAHL (1982 to December 2012), BIOSIS (1985 to 3 January 2013), Current Controlled Trials (December 2012) and reference lists of articles. SELECTION CRITERIA: Randomised or quasi-randomised trials that compared vitamin D or related compounds, alone or with calcium, against placebo, no intervention or calcium alone, and that reported fracture outcomes in older people. The primary outcome was hip fracture. DATA COLLECTION AND ANALYSIS: Two authors independently assessed trial risk of selection bias and aspects of methodological quality, and extracted data. Data were pooled, where possible, using the fixed-effect model, or the random-effects model when heterogeneity between studies appeared substantial.|
|Description:||Vitamin D alone is unlikely to prevent fractures in the doses and formulations tested so far in older people. Supplements of vitamin D and calcium may prevent hip or any type of fracture. There was a small but significant increase in gastrointestinal symptoms and renal disease associated with vitamin D and calcium. This review found that there was no increased risk of death from taking calcium and vitamin D.|
|Division:||Cancer Research Division|
|Appears in Collections:||Research Articles|
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