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Vitamin D Supplementation in Older Women

NCT00472823 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 273

Last updated 2016-03-14

No results posted yet for this study

Summary

The purpose of this study is to examine the effects of several doses of vitamin D on hormones related to bone, calcium absorption, bone density and muscle strength.

Conditions

Interventions

DIETARY_SUPPLEMENT

Vitamin D3

Orally for one year

DIETARY_SUPPLEMENT

Calcium Citrate (Citracal)

Orally for one year; dosage adjusted so that calcium intake is 1200-1400mg daily

Sponsors & Collaborators

  • National Institute on Aging (NIA)

    collaborator NIH

  • Office of Dietary Supplements (ODS)

    collaborator NIH

  • University of Nebraska

    collaborator OTHER

  • Creighton University

    lead OTHER

Principal Investigators

  • J C Gallagher, MD · Creighton University Medical Center

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
57 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2007-04-30
Primary Completion
2011-08-31
Completion
2011-08-31

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 NCT00472823 on ClinicalTrials.gov