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Ann Intern Med. 1996 Feb 15;124(4):400-6.

Vitamin D supplementation and fracture incidence in elderly persons. A randomized, placebo-controlled clinical trial.

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  • 1Vrije Universiteit, Amsterdam, The Netherlands.

Abstract

OBJECTIVE:

To determine whether vitamin D supplementation decreases the incidence of hip fractures and other peripheral bone fractures.

DESIGN:

Prospective, double-blind trial.

SETTING:

Community setting (Amsterdam and surrounding area).

PATIENTS:

2578 persons (1916 women, 662 men) 70 years of age and older (mean age +/- SD, 80 +/- 6 years) living independently, in apartments for elderly persons, or in homes for elderly persons.

INTERVENTION:

Participants were randomly assigned to receive either vitamin D3, 400 IU in one tablet daily, or placebo for a maximum of 3.5 years.

MEASUREMENTS:

Dietary calcium intake and serum 25-hydroxyvitamin D [25(OH)D] were estimated in a subset of participants. During follow-up, attention was concentrated on hip fractures and other peripheral fractures. The maximal follow-up period was 4 years. The results were evaluated by survival analysis.

RESULTS:

Mean dietary calcium intake from dairy products was 868 mg/d. Mean serum 25(OH)D concentration in the third year of the study was 23 nmol/L in the placebo group and 60 nmol/L in the vitamin D group. Median follow-up was 3.5 years, and total follow-up was 8450 patient-years. During follow-up, 306 persons in the placebo group and 282 persons in the vitamin D group died (P = 0.20). Hip fractures occurred in 48 persons in the placebo group and 58 persons in the vitamin D group (P = 0.39, intention-to-treat analysis). Other peripheral fractures occurred in 74 persons in the placebo group and 77 persons in the vitamin D group (P = 0.86).

CONCLUSION:

Our results do not show a decrease in the incidence of hip fractures and other peripheral fractures in Dutch elderly persons after vitamin D supplementation.

Comment in

  • ACP J Club. 1996 Jul-Aug;125(1):16.
PMID:
8554248
[PubMed - indexed for MEDLINE]
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