# Causes, Characteristics and Mechanisms of Infective Exacerbations in Subjects With Asthma and Chronic Obstructive Pulmonary Disease (COPD)

> **NCT00512954** · — · COMPLETED · sponsor: **McMaster University** · enrollment: 100 (estimated)

## Conditions studied

- Asthma
- COPD

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00512954
- **Lead sponsor:** McMaster University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2007-04
- **Primary completion:** 2009-12
- **Final completion:** 2010-07
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2011-01-19

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00512954

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00512954, "Causes, Characteristics and Mechanisms of Infective Exacerbations in Subjects With Asthma and Chronic Obstructive Pulmonary Disease (COPD)". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT00512954. Licensed CC0.

---

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