# The Improvement of Indoor Air and Health Effects After Air Purifier Intervention Among Susceptible Population in Industrial Area

> **NCT07069907** · NA · COMPLETED · sponsor: **Kaohsiung Medical University Chung-Ho Memorial Hospital** · enrollment: 140 (actual)

## Conditions studied

- Asthma (Diagnosis)
- COPD (Chronic Obstructive Pulmonary Disease)

## Interventions

- **OTHER:** Air purfiers with photocatalytic oxidation (PCO)
- **OTHER:** Air purfiers with photocatalytic oxidation (PCO) + filters

## Key facts

- **NCT ID:** NCT07069907
- **Lead sponsor:** Kaohsiung Medical University Chung-Ho Memorial Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-06-29
- **Primary completion:** 2025-06-01
- **Final completion:** 2025-06-01
- **Target enrollment:** 140 (ACTUAL)
- **Last updated:** 2025-07-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07069907

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07069907, "The Improvement of Indoor Air and Health Effects After Air Purifier Intervention Among Susceptible Population in Industrial Area". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT07069907. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
