# Vitamin D and Severe Asthma Exacerbations

> **NCT01921894** · PHASE1 · COMPLETED · sponsor: **University of Pittsburgh** · enrollment: 48 (actual)

## Conditions studied

- Asthma

## Interventions

- **DIETARY_SUPPLEMENT:** Cholecalciferol

## Key facts

- **NCT ID:** NCT01921894
- **Lead sponsor:** University of Pittsburgh
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-08
- **Primary completion:** 2015-01
- **Final completion:** 2015-01
- **Target enrollment:** 48 (ACTUAL)
- **Last updated:** 2017-03-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01921894

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01921894, "Vitamin D and Severe Asthma Exacerbations". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT01921894. Licensed CC0.

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