Responses to Live Attenuated Influenza Virus (LAIV) in Chronic Obstructive Pulmonary Disease (COPD)
Public ClinicalTrials.gov record NCT04901455. 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
Nasal Mucosal Immune Responses to Live Attenuated Influenza Virus (LAIV) in Chronic Obstructive Pulmonary Disease (COPD) Exacerbation Phenotypes
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study will determine the functional status of the nasal immune environment with LAIV exposure in COPD persons with frequent exacerbations (defined as individuals with two or more episodes of worsening in COPD symptoms requiring treatment with antibiotics and/or steroids in the prior 12 months) and COPD persons without frequent exacerbations to determine acute exacerbation of COPD (AECOPD)-associated dysfunction in a) cytokines and immune effector cells of the nasal mucosa and b) viral replication. The investigators hypothesize that: 1) COPD frequent exacerbators, compared to COPD infrequent exacerbators, will demonstrate altered mucosal immune responses to LAIV exposure, and 2) COPD frequent exacerbators, compared to COPD infrequent exacerbators, will demonstrate increased markers of influenza viral replication after LAIV exposure.
Study identification
- NCT ID
- NCT04901455
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Early Phase 1
- Enrollment
- 24 participants
Conditions and interventions
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
- Oct 2, 2022
- Primary completion
- Feb 15, 2026
- Completion
- Feb 15, 2026
- Last update posted
- Jun 22, 2026
2022 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Eastowne Medical Office Building | Chapel Hill | North Carolina | 27514 | — |
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 NCT04901455, 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 Jun 22, 2026 · Synced Sep 11, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04901455 live on ClinicalTrials.gov.