Long-term follow-up for mortality and cancer in a randomized placebo-controlled trial of vitamin D3 and/or calcium (RECORD trial)

Alison Avenell, Graeme S. Maclennan, David J. Jenkinson, Gladys C. McPherson, Alison M. McDonald, Puspa R. Pant, Adrian M. Grant, Marion K. Campbell, Frazer H. Anderson, Cyrus Cooper, Roger M. Francis, William J. Gillespie, C. Michael Robinson, David J. Torgerson, W Angus. Wallace, RECORD Trial Group

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Context: Vitamin D or calcium supplementation may have effects on vascular disease and cancer.

Objective: Our objective was to investigate whether vitamin D or calcium supplementation affects mortality, vascular disease, and cancer in older people.

Design and Setting: The study included long-term follow-up of participants in a two by two factorial, randomized controlled trial from 21 orthopedic centers in the United Kingdom.

Participants: Participants were 5292 people (85% women) aged at least 70 yr with previous low-trauma fracture.

Interventions: Participants were randomly allocated to daily vitamin D3 (800 IU), calcium (1000 mg), both, or placebo for 24–62 months, with a follow-up of 3 yr after intervention.

Main Outcome Measures: All-cause mortality, vascular disease mortality, cancer mortality, and cancer incidence were evaluated.

Results: In intention-to-treat analyses, mortality [hazard ratio (HR) = 0.93; 95% confidence interval (CI) = 0.85–1.02], vascular disease mortality (HR = 0.91; 95% CI = 0.79–1.05), cancer mortality (HR = 0.85; 95% CI = 0.68–1.06), and cancer incidence (HR = 1.07; 95% CI = 0.92–1.25) did not differ significantly between participants allocated vitamin D and those not. All-cause mortality (HR = 1.03; 95% CI = 0.94–1.13), vascular disease mortality (HR = 1.07; 95% CI = 0.92–1.24), cancer mortality (HR = 1.13; 95% CI = 0.91–1.40), and cancer incidence (HR = 1.06; 95% CI = 0.91–1.23) also did not differ significantly between participants allocated calcium and those not. In a post hoc statistical analysis adjusting for compliance, thus with fewer participants, trends for reduced mortality with vitamin D and increased mortality with calcium were accentuated, although all results remain nonsignificant.

Conclusions: Daily vitamin D or calcium supplementation did not affect mortality, vascular disease, cancer mortality, or cancer incidence.
Original languageEnglish
Pages (from-to)614-622
Number of pages9
JournalJournal of Clinical Endocrinology and Metabolism
Issue number2
Early online date23 Nov 2011
Publication statusPublished - 1 Feb 2012


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