# Air Purifier to Improve Endothelial Function and Carotid Intima Thickness

> **NCT03301402** · NA · COMPLETED · sponsor: **Chinese University of Hong Kong** · enrollment: 61 (actual)

## Conditions studied

- Endothelial Function
- Cognitive Impairment

## Interventions

- **DEVICE:** Air purifier

## Key facts

- **NCT ID:** NCT03301402
- **Lead sponsor:** Chinese University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-09-22
- **Primary completion:** 2021-01-05
- **Final completion:** 2021-01-05
- **Target enrollment:** 61 (ACTUAL)
- **Last updated:** 2021-06-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03301402

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03301402, "Air Purifier to Improve Endothelial Function and Carotid Intima Thickness". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT03301402. Licensed CC0.

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