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Woodsmoke Exposure, Influenza Infection, and Nasal Immunity

Study acronym: SmokeyFlu
StatusRecruiting
PhasePhase 4
Started
View on ClinicalTrials.gov ↗

Record History

  1. Trial status: Suspended to Recruiting Start date changed from estimate of Oct 1, 2026 to Sep 26, 2025 · Study site revisedv4 Show 2 more changesShow less
    • Start date changed from estimate of Oct 1, 2026 to Sep 26, 2025
    • Study site revised

    See this version in full on ClinicalTrials.gov ↗

  2. Trial status: Not Yet Recruiting to Suspended Sponsor's reason: Study halted prematurely but potentially may resume Primary and study completion dates: Dec 31, 2027 to Dec 31, 2028 · Start date: Mar 1, 2025 to Oct 1, 2026v3 Show 2 more changesShow less
    • Primary and study completion dates: Dec 31, 2027 to Dec 31, 2028
    • Start date: Mar 1, 2025 to Oct 1, 2026
  3. Secondary endpoints: details revised at 2 of 14 entriesv2
  4. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
This study will investigate the effects of woodsmoke (WS) exposure on human nasal mucosal immune responses to viral infection. The study tests the hypotheses that WS exposure modifies biomarkers of nasal mucosal immune function, increases in Live Attenuated Influenza Virus (LAIV) -induced nasal symptoms, and reduces mucosal antibody production.
Trial Details
NCT Number NCT06841913
Lead Sponsor University of North Carolina, Chapel Hill
Collaborators: National Institutes of Health (NIH), National Institute of Environmental Health Sciences (NIEHS)
Conditions Smoke Exposure, Influenza
Enrollment 112 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov