N/A N=60 Randomized Double-blind Prevention

Health Effects of Indoor Air Filtration in Healthy Chinese Adults

Blood Pressure

Bottom Line

View on ClinicalTrials.gov: NCT02712333 ↗

Enrolled (actual)

Serious AEs

0.0%

Results posted

Oct 2017

Primary outcome: Primary: Changes of Serum Cortisol Levels — 0.012835; 0.016206 relative intensity — p=<0.05

Study Design & Population

Study type: Interventional
Phase: N/A
Interventions: Air Purifiers (Behavioral); Sham Air Purifiers (Behavioral)
Age: Adult · 18+ yrs
Sex: All
Sponsor: Fudan University
Primary completion: Dec 2015

Outcome Measures

Outcome	Result	p-value
PRIMARY Changes of Serum Cortisol Levels	0.012835; 0.016206	<0.05 sig
PRIMARY Changes of Serum Cortisone Concentration	0.021076; 0.024338	<0.01 sig
PRIMARY Changes of Serum Epinephrine Concentrations	0.140609; 0.165321	<0.01 sig
PRIMARY Changes of Serum Norepinephrine Concentration	0.030752; 0.038695	<0.01 sig
SECONDARY Systolic Blood Pressure	102.2; 104.8	<0.01 sig
SECONDARY Diastolic Blood Pressure	64.5; 65.2	>0.05
SECONDARY Pulse Pressure	37.7; 39.6	>0.05

Summary

This study aims to detect serum metabolite changes, as well as other health indicators with the intervention of air purifiers on a randomized, crossover, double-blind trial.

Eligibility Criteria

Inclusion Criteria

Healthy university students in Jiangwan Campus, Fudan university
Non-smoking, no history of alcohol or drug abuse
Free of chronic cardiovascular, respiratory, liver and kidney disease
Spend at least 50% (weekdays) or 80% (weekends) of time indoors

Exclusion Criteria

Current or ever smokers
History of asthma, chronic bronchitis，cough, hypertension or other chronic inflammatory disease
acute infections
medication use in recent one month

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Data sourced from ClinicalTrials.gov (NCT02712333). 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.