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Safety of Vitamin D Supplementation in Older Persons

NCT00681590 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 105

Last updated 2017-01-26

Study results available
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Summary

This study will evaluate the safety over 6 months of two different doses of vitamin D (cholecalciferol) in men and women age 65 and older. It will also evaluate if supplementation with vitamin D improves physical performance.

Conditions

  • Vitamin D Deficiency

Interventions

DIETARY_SUPPLEMENT

cholecalciferol (vitamin D)

400 IU daily (low dose)

DIETARY_SUPPLEMENT

cholecalciferol (vitamin D)

2000 IU daily (high dose)

Sponsors & Collaborators

Principal Investigators

  • Silvina Levis, MD · University of Miami

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
65 Years
Max Age
95 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2008-04-30
Primary Completion
2009-04-30
Completion
2009-04-30

Countries

  • United States

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00681590 on ClinicalTrials.gov