# The Role of Narrowband Ultraviolet B Exposure in the Maintenance of Vitamin D Levels During Winter

> **NCT02275650** · NA · COMPLETED · sponsor: **Joint Authority for Päijät-Häme Social and Health Care** · enrollment: 37 (actual)

## Conditions studied

- Vitamin D Deficiency

## Interventions

- **RADIATION:** nbUVB

## Key facts

- **NCT ID:** NCT02275650
- **Lead sponsor:** Joint Authority for Päijät-Häme Social and Health Care
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-09
- **Primary completion:** 2014-05
- **Final completion:** 2014-05
- **Target enrollment:** 37 (ACTUAL)
- **Last updated:** 2014-10-27

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02275650

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02275650, "The Role of Narrowband Ultraviolet B Exposure in the Maintenance of Vitamin D Levels During Winter". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT02275650. Licensed CC0.

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