Indoor Air and Children Health Study

NCT ID: NCT03319056

Last Updated: 2019-05-23

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

48 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-12-11

Study Completion Date

2018-04-01

Brief Summary

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The objective of this study is to investigate the cardiopulmonary health effects of indoor air purification and different indoor environmental factors among school students in Beijing.

Detailed Description

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This randomized, double-blind crossover study was conducted to explore the cardiopulmonary effects of ionization air purification among 48 children in Beijing. Real or sham purification was performed in classrooms for 5 weekdays in a random order with a 2-month wash-out period. During the study periods, different indoor environmental factors were monitored including size-fractionated particulate matter (PM), black carbon (BC), ozone, carbon dioxide (CO2), negative air ions (NAI), noise, temperature and relative humidity, which were controlled as confounders in the analysis of the effects of indoor air purification. In addition, we analyzed the cardiopulmonary effects of those environmental factors on the children.

Conditions

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Cardiopulmonary Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Real purification

Air purifier turned on

Group Type ACTIVE_COMPARATOR

Air purifier

Intervention Type OTHER

active- or sham-mode air purifier used in 6 classrooms in a school with a crossover design

Sham purification

Air purifier turned off

Group Type SHAM_COMPARATOR

Air purifier

Intervention Type OTHER

active- or sham-mode air purifier used in 6 classrooms in a school with a crossover design

Interventions

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Air purifier

active- or sham-mode air purifier used in 6 classrooms in a school with a crossover design

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* living in Beijing for more than two consecutive years;
* living in school dormitories from Monday to Friday.

Exclusion Criteria

* suffering any health condition;
* having asthma or thoracic surgery history.
Minimum Eligible Age

10 Years

Maximum Eligible Age

14 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Peking University

OTHER

Sponsor Role lead

Responsible Party

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Furong Deng

MD & PhD, Professor, Deputy Director of Department of Occupational & Environmental Health Sciences

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Furong Deng, PhD&MD

Role: PRINCIPAL_INVESTIGATOR

Peking University

Locations

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School of Pubic Health, Peking University

Beijing, Beijing Municipality, China

Site Status

Countries

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China

Other Identifiers

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FDeng17

Identifier Type: -

Identifier Source: org_study_id

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