# Vitamin D and the Influenza Epidemic

> **NCT01182870** · PHASE3 · COMPLETED · sponsor: **University of Tromso** · enrollment: 569 (actual)

## Conditions studied

- Influenza

## Interventions

- **DRUG:** choleclaciferol

## Key facts

- **NCT ID:** NCT01182870
- **Lead sponsor:** University of Tromso
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2010-04
- **Primary completion:** 2010-09
- **Final completion:** 2010-10
- **Target enrollment:** 569 (ACTUAL)
- **Last updated:** 2011-07-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01182870

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01182870, "Vitamin D and the Influenza Epidemic". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT01182870. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
