Comparison of Alveolar Macrophages in Individuals With COPD Versus Smokers With Normal Pulmonary Function
Public ClinicalTrials.gov record NCT00281190. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Innate and Adaptive Immunity in COPD Exacerbations: Clinically-Indicated Bronchoscopies
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine whether the alveolar macrophages (AMø) of patients with chronic obstructive pulmonary disease (COPD ) show abnormal responsiveness to bacterial and viral products, relative to smokers with normal pulmonary function. Participation in this study will be offered to patients already scheduled to undergo a bronchoscopy for clinical indications.
Study identification
- NCT ID
- NCT00281190
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 32 participants
Conditions and interventions
Interventions
- Blood drawing Procedure
- Bronchoalveolar lavage during indicated bronchoscopy Procedure
Procedure
Eligibility (public fields only)
- Age range
- 40 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 31, 2005
- Primary completion
- Sep 30, 2014
- Completion
- Sep 30, 2014
- Last update posted
- Dec 15, 2014
2005 – 2014
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Michigan at Ann Arbor | Ann Arbor | Michigan | 48105 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00281190, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 15, 2014 · Synced Sep 3, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00281190 live on ClinicalTrials.gov.