# Human Lung Responses to Respiratory Pathogens

> **NCT01967628** · PHASE1,PHASE2 · COMPLETED · sponsor: **University of Iowa** · enrollment: 98 (actual)

## Conditions studied

- Respiratory Infection

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D3 (cholecalciferol)
- **DIETARY_SUPPLEMENT:** Placebo Sugar Pill

## Key facts

- **NCT ID:** NCT01967628
- **Lead sponsor:** University of Iowa
- **Sponsor class:** OTHER
- **Phase:** PHASE1,PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-06
- **Primary completion:** 2010-07
- **Final completion:** 2010-10
- **Target enrollment:** 98 (ACTUAL)
- **Last updated:** 2018-03-29

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01967628

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01967628, "Human Lung Responses to Respiratory Pathogens". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT01967628. Licensed CC0.

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