# Effects of Low Dose Ozone on Airway Inflammatory Responses in Adults With Asthma - Sedentary Nasal Ozone (Asthma SNOZ)

> **NCT04109807** · NA · SUSPENDED · sponsor: **University of North Carolina, Chapel Hill** · enrollment: 18 (estimated)

## Conditions studied

- Asthma, Allergic

## Interventions

- **OTHER:** Ozone
- **OTHER:** FA

## Key facts

- **NCT ID:** NCT04109807
- **Lead sponsor:** University of North Carolina, Chapel Hill
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** SUSPENDED
- **Start date:** 2019-12-16
- **Primary completion:** 2027-08
- **Final completion:** 2027-08
- **Target enrollment:** 18 (ESTIMATED)
- **Why stopped:** Enrollment for this study was stopped due to Covid and will resume once it is determined acceptable to do inhalational challenges. rebuilding chambers after EPA was shut down.
- **Last updated:** 2025-12-17

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04109807

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04109807, "Effects of Low Dose Ozone on Airway Inflammatory Responses in Adults With Asthma - Sedentary Nasal Ozone (Asthma SNOZ)". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04109807. Licensed CC0.

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