# Clinical Trial of Air Cleaners to Improve Indoor Air Quality and COPD Health

> **NCT02236858** · NA · COMPLETED · sponsor: **Johns Hopkins University** · enrollment: 142 (actual)

## Conditions studied

- Chronic Obstructive Pulmonary Disease (COPD)

## Interventions

- **DEVICE:** HEPA Air Cleaner
- **DEVICE:** Sham HEPA Air Cleaner

## Key facts

- **NCT ID:** NCT02236858
- **Lead sponsor:** Johns Hopkins University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-03
- **Primary completion:** 2020-02-21
- **Final completion:** 2021-09-10
- **Target enrollment:** 142 (ACTUAL)
- **Last updated:** 2021-09-14

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02236858

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02236858, "Clinical Trial of Air Cleaners to Improve Indoor Air Quality and COPD Health". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02236858. Licensed CC0.

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