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

> **NCT01005381** · NA · COMPLETED · sponsor: **Purdue University** · enrollment: 55 (actual)

## Conditions studied

- Osteoporosis

## Interventions

- **DIETARY_SUPPLEMENT:** Small Particle Size Calcium Carbonate Supplement
- **DIETARY_SUPPLEMENT:** Large Particle Size Calcium Carbonate Supplement
- **DIETARY_SUPPLEMENT:** Vitamin D
- **DIETARY_SUPPLEMENT:** Calcium Placebo

## Key facts

- **NCT ID:** NCT01005381
- **Lead sponsor:** Purdue University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-06
- **Primary completion:** 2007-07
- **Final completion:** 2007-07
- **Target enrollment:** 55 (ACTUAL)
- **Last updated:** 2018-05-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01005381

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01005381, "Effect of Calcium Supplement Particle Size and Vitamin D Supplement on Calcium Retention in Adolescent Girls". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01005381. Licensed CC0.

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