N/A
Completed N=35
Intervention Study on the Health Impact of Air Filters in Chinese Adults
Inflammation · Coagulation · Blood Pressure · Pulmonary Function
Source: ClinicalTrials.gov NCT02239744 ↗
Enrolled (actual)
35
Serious AEs
0.0%
Results posted
Dec 2014
Primary outcomePrimary: Circulating Biomarkers — 926.3; 913.1; 1122.2; 1108.2 ng/ml
Summary
This study aimed to evaluate whether a short-term indoor air purifier intervention improves cardiopulmonary health based on a randomized double-blind crossover trial
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Circulating Biomarkers |
926.3; 913.1; 1122.2; 1108.2; 139.0; 129.4 | — |
| PRIMARY Lung Function |
3.0; 3.1; 2.8; 2.8 | — |
| SECONDARY Blood Pressure |
106.0; 103.0; 70.9; 67.9; 34.8; 34.8 | — |
| SECONDARY Fractional Exhaled Nitric Oxide |
14.5; 13.3 | — |
Eligibility Criteria
Inclusion Criteria
- Healthy college students aged between 18 and 26
- All the subjects should stay indoor almost the entire time, and stayed within the central urban area of shanghai during the wash-out period.
Exclusion Criteria
- current smokers or ever smokers
- chronic respiratory diseases
- chronic cardiovascular diseases
- acute infections
- medication use in recent one month
Data sourced from ClinicalTrials.gov (NCT02239744). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.