# Improving the Understanding of the Response to Vitamin D Supplementation

> **NCT01465178** · PHASE3 · COMPLETED · sponsor: **University of Wisconsin, Madison** · enrollment: 62 (actual)

## Conditions studied

- Vitamin D Deficiency

## Interventions

- **DIETARY_SUPPLEMENT:** cholecalciferol
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT01465178
- **Lead sponsor:** University of Wisconsin, Madison
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-12
- **Primary completion:** 2014-12
- **Final completion:** 2014-12
- **Target enrollment:** 62 (ACTUAL)
- **Last updated:** 2016-11-25

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01465178

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01465178, "Improving the Understanding of the Response to Vitamin D Supplementation". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT01465178. Licensed CC0.

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