Effect of four monthly oral vitamin D3 (cholecalciferol) supplementation on fractures and mortality in men and women living in the community: randomised double blind controlled trial.

Abstract:

OBJECTIVE:To determine the effect of four monthly vitamin D supplementation on the rate of fractures in men and women aged 65 years and over living in the community. DESIGN:Randomised double blind controlled trial of 100 000 IU oral vitamin D3 (cholecalciferol) supplementation or matching placebo every four months over five years. SETTING AND PARTICIPANTS:2686 people (2037 men and 649 women) aged 65-85 years living in the general community, recruited from the British doctors register and a general practice register in Suffolk. MAIN OUTCOME MEASURES:Fracture incidence and total mortality by cause. RESULTS:After five years 268 men and women had incident fractures, of whom 147 had fractures in common osteoporotic sites (hip, wrist or forearm, or vertebrae). Relative risks in the vitamin D group compared with the placebo group were 0.78 (95% confidence interval 0.61 to 0.99, P=0.04) for any first fracture and 0.67 (0.48 to 0.93, P=0.02) for first hip, wrist or forearm, or vertebral fracture. 471 participants died. The relative risk for total mortality in the vitamin D group compared with the placebo group was 0.88 (0.74 to 1.06, P=0.18). Findings were consistent in men and women and in doctors and the general practice population. CONCLUSION:Four monthly supplementation with 100 000 IU oral vitamin D may prevent fractures without adverse effects in men and women living in the general community.

journal_name

BMJ

authors

Trivedi DP,Doll R,Khaw KT

doi

10.1136/bmj.326.7387.469

keywords:

subject

Has Abstract

pub_date

2003-03-01 00:00:00

pages

469

issue

7387

eissn

0959-8138

issn

1756-1833

pii

326/7387/469

journal_volume

326

pub_type

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