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The Effect of Vitamin D Supplementation During Caloric Restriction on Intestinal Calcium Absorption

NCT00472654 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 83

Last updated 2023-03-28

No results posted yet for this study

Summary

The purpose of this study is to learn how the amount of vitamin D supplementation influences intestinal fractional calcium absorption (a measure of the amount of calcium absorbed).

Conditions

Interventions

BEHAVIORAL

Weight Loss

Diet for weight loss for 6 weeks; all weight loss participants will attend 6 weekly counseling sessions (about 50 minutes per session)

DIETARY_SUPPLEMENT

Vitamin D 2500 IU

Daily Vitamin D 2500 IU supplement for 6 weeks

BEHAVIORAL

Weight Maintenance

Diet for weight maintenance for 6 weeks

Sponsors & Collaborators

  • National Institute on Aging (NIA)

    collaborator NIH

  • Rutgers University

    lead OTHER

Principal Investigators

  • Sue Shapses, PhD · Rutgers University, Nutritional Sciences

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
50 Years
Max Age
72 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2007-03-31
Primary Completion
2010-05-31
Completion
2011-03-31

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 NCT00472654 on ClinicalTrials.gov