# Wheezing in Black Preterm Infants: Impact of Vitamin D Supplementation Strategy

> **NCT01601847** · PHASE4 · COMPLETED · sponsor: **Case Western Reserve University** · enrollment: 300 (actual)

## Conditions studied

- Wheezing
- Allergy

## Interventions

- **DIETARY_SUPPLEMENT:** Cholecalciferol
- **DRUG:** Cholecalciferol

## Key facts

- **NCT ID:** NCT01601847
- **Lead sponsor:** Case Western Reserve University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-01
- **Primary completion:** 2017-03-12
- **Final completion:** 2017-03-12
- **Target enrollment:** 300 (ACTUAL)
- **Last updated:** 2018-06-08

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01601847

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01601847, "Wheezing in Black Preterm Infants: Impact of Vitamin D Supplementation Strategy". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01601847. Licensed CC0.

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