# Genetic, Dietary and Environmental Influences on Vitamin D Metabolism

> **NCT02590614** · NA · COMPLETED · sponsor: **Milton S. Hershey Medical Center** · enrollment: 412 (actual)

## Conditions studied

- Vitamin D Deficiency

## Interventions

- **DIETARY_SUPPLEMENT:** 800 IU Vitamin D
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT02590614
- **Lead sponsor:** Milton S. Hershey Medical Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-11
- **Primary completion:** 2018-05
- **Final completion:** 2019-04-24
- **Target enrollment:** 412 (ACTUAL)
- **Last updated:** 2019-05-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02590614

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02590614, "Genetic, Dietary and Environmental Influences on Vitamin D Metabolism". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT02590614. Licensed CC0.

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