# Vitamin D to Reduce Colds and Asthma Attacks in Young Children

> **NCT01999907** · PHASE2 · COMPLETED · sponsor: **St. Justine's Hospital** · enrollment: 22 (actual)

## Conditions studied

- Asthma

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D
- **DIETARY_SUPPLEMENT:** daily vitamin D supplement
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT01999907
- **Lead sponsor:** St. Justine's Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-11
- **Primary completion:** 2014-05
- **Final completion:** 2014-08
- **Target enrollment:** 22 (ACTUAL)
- **Last updated:** 2015-01-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01999907

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01999907, "Vitamin D to Reduce Colds and Asthma Attacks in Young Children". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01999907. Licensed CC0.

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