# Pulmonary Vascular Changes in Early Chronic Obstructive Pulmonary

> **NCT01397721** · — · COMPLETED · sponsor: **Columbia University** · enrollment: 359 (actual)

## Conditions studied

- Chronic Obstructive Pulmonary Disease

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01397721
- **Lead sponsor:** Columbia University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2009-05
- **Primary completion:** 2018-04-30
- **Final completion:** 2018-04-30
- **Target enrollment:** 359 (ACTUAL)
- **Last updated:** 2024-07-24

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01397721

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01397721, "Pulmonary Vascular Changes in Early Chronic Obstructive Pulmonary". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT01397721. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*