# Woodsmoke Exposure, Influenza Infection, and Nasal Immunity

> **NCT06841913** · PHASE4 · RECRUITING · sponsor: **University of North Carolina, Chapel Hill** · enrollment: 112 (estimated)

## Conditions studied

- Smoke Exposure
- Influenza

## Interventions

- **BIOLOGICAL:** LAIV nasal vaccine is chosen as a model viral infection
- **OTHER:** Wood smoke
- **BIOLOGICAL:** Placebo for LAIV nasal vaccine is chosen as a model viral infection
- **OTHER:** Placebo for Wood Smoke (clean Air Exposure)

## Key facts

- **NCT ID:** NCT06841913
- **Lead sponsor:** University of North Carolina, Chapel Hill
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-09-26
- **Primary completion:** 2028-12-31
- **Final completion:** 2028-12-31
- **Target enrollment:** 112 (ESTIMATED)
- **Last updated:** 2026-04-30

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06841913

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06841913, "Woodsmoke Exposure, Influenza Infection, and Nasal Immunity". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT06841913. Licensed CC0.

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