# COPD Exacerbation Blood and Urine Biomarkers Study

> **NCT03823443** · — · TERMINATED · sponsor: **Columbia University** · enrollment: 7 (actual)

## Conditions studied

- Chronic Obstructive Pulmonary Disease
- Acute Exacerbation Copd
- Alpha-1 Anti-trypsin Deficiency

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03823443
- **Lead sponsor:** Columbia University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2018-06-07
- **Primary completion:** 2019-08-22
- **Final completion:** 2021-01-08
- **Target enrollment:** 7 (ACTUAL)
- **Why stopped:** Difficulty enrolling
- **Last updated:** 2024-06-04

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03823443

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03823443, "COPD Exacerbation Blood and Urine Biomarkers Study". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03823443. Licensed CC0.

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