# Individualized Response to Vitamin D Treatment Study

> **NCT02925195** · NA · COMPLETED · sponsor: **University of Washington** · enrollment: 666 (actual)

## Conditions studied

- Characteristics That Modify the Response to Cholecalciferol Treatment

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D3
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT02925195
- **Lead sponsor:** University of Washington
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-01-11
- **Primary completion:** 2021-11-30
- **Final completion:** 2022-03-04
- **Target enrollment:** 666 (ACTUAL)
- **Last updated:** 2023-11-02

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02925195

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02925195, "Individualized Response to Vitamin D Treatment Study". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT02925195. Licensed CC0.

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