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Effect of Calcium Supplement Particle Size and Vitamin D Supplement on Calcium Retention in Adolescent Girls

NCT01005381 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 55

Last updated 2018-05-09

No results posted yet for this study

Summary

This study has two research arms:

The purpose of the 1st is to determine if a smaller particle size calcium carbonate supplement (than that which is now commercially available) improves calcium absorption and retention in adolescents girls.

The purpose of the 2nd is to determine if vitamin D supplementation improves calcium absorption and retention in adolescents girls.

Conditions

Interventions

DIETARY_SUPPLEMENT

Small Particle Size Calcium Carbonate Supplement

Small Particle Size Calcium Carbonate - tablet, 325 mg/tablet. Given once or twice daily depending on study arm.

DIETARY_SUPPLEMENT

Large Particle Size Calcium Carbonate Supplement

Large Particle Size Calcium Carbonate Supplement - tablet, 325 mg/tablet. Given twice daily.

DIETARY_SUPPLEMENT

Vitamin D

Vitamin D - capsule, cholecalciferol, 1000 IU/tablet. Given once daily.

DIETARY_SUPPLEMENT

Calcium Placebo

Placebo tablets identical to the large and small particle size calcium carbonate tablets. Given twice daily.

Sponsors & Collaborators

  • Purdue University

    lead OTHER

Principal Investigators

  • Connie M Weaver, PhD · Purdue University

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Model
CROSSOVER

Eligibility

Min Age
12 Years
Max Age
14 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2007-06-30
Primary Completion
2007-07-31
Completion
2007-07-31

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 NCT01005381 on ClinicalTrials.gov