# Marwo-D Research -Need for Vitamin D in Different Population Groups

> **NCT02212223** · NA · COMPLETED · sponsor: **University of Helsinki** · enrollment: 147 (actual)

## Conditions studied

- Serum 25-hydroxyvitamin D Concentrations (25OHD)

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D3

## Key facts

- **NCT ID:** NCT02212223
- **Lead sponsor:** University of Helsinki
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-09
- **Primary completion:** 2015-05
- **Final completion:** 2015-05
- **Target enrollment:** 147 (ACTUAL)
- **Last updated:** 2015-07-14

## Collaborators

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- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02212223

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02212223, "Marwo-D Research -Need for Vitamin D in Different Population Groups". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT02212223. Licensed CC0.

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