# Vitamin D and Chronic Obstructive Lung Disease

> **NCT01416701** · PHASE4 · WITHDRAWN · sponsor: **Jorgen Vestbo**

## Conditions studied

- Chronic Obstructive Lung Disease

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D (D3, cholecalciferol)
- **DIETARY_SUPPLEMENT:** Placebo (cellulose)

## Key facts

- **NCT ID:** NCT01416701
- **Lead sponsor:** Jorgen Vestbo
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2011-09
- **Primary completion:** 2013-10
- **Final completion:** 2013-12
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** It was not possible to enroll the planned amount of subjects. Many patients with chronic obstructive pulmonary disease already took large doses of vitamin D.
- **Last updated:** 2013-04-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01416701

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01416701, "Vitamin D and Chronic Obstructive Lung Disease". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01416701. Licensed CC0.

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