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Impact of Vitamin D on 25-hydroxyvitamin D Levels and Physical Function

NCT02293187 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 100

Last updated 2019-03-21

No results posted yet for this study

Summary

This one-year study will test the hypothesis that supplementation with vitamin D will improve lower extremity muscle performance in older men and women with vitamin D insufficiency.

Conditions

Interventions

DIETARY_SUPPLEMENT

vitamin D3

Dose for intervention arm is 800 IU/day for first 4 months. At 4 months, if vitamin D level \<70 nmol/L, a second 800 IU capsule will be added to regimen (total of 1600 IU/d) for remainder of study.

OTHER

Placebo

Those in the placebo group will receive 1 capsule for first 4 months. At 4 month visit, one capsule will be added to regimen to be taken throughout the remainder of the study.

Sponsors & Collaborators

  • Tufts University

    lead OTHER

Principal Investigators

  • Bess Dawson-Hughes, MD · Tufts Medical Center

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Model
FACTORIAL

Eligibility

Min Age
60 Years
Max Age
85 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2015-03-23
Primary Completion
2017-09-13
Completion
2018-12-31

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

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 NCT02293187 on ClinicalTrials.gov