Assessing the Impact of Preventive Interventions on Particulate Matter-Induced Symptom Exacerbation in Pediatric Asthma

A study for verifying the effectiveness of interventions in response to particulate matter in pediatric asthma patients

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0010530

Enrollment

196

Registered

2025-05-26

Start date

2022-10-12

Completion date

Unknown

Last updated

2025-06-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Behavioral, Others(mobile alert) : Participants were categorized into three groups based on their sensitivity to particulate matter (PM): (1) PM-sensitive based on past exacerbation history (forecast-

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Children with asthma who, within the past 12 months, have experienced symptoms such as wheezing, shortness of breath, or chronic/recurrent cough, and meet at least one of the following criteria: a bronchodilator response =12% from baseline FEV1, a methacholine PC20 =16 mg/mL, or a mannitol PD15 =635 mg.

Exclusion criteria

Exclusion criteria: Interstitial pneumonia, tumors, chronic suppurative lung disease, and immunodeficiency

Design outcomes

Primary

Measure	Time frame
Change in symptom exacerbation rate pre- and post-intervention	—

Secondary

Measure	Time frame
Changes in peak expiratory flow (percentage decrease from baseline), ;number of unscheduled hospital or emergency room visits	—

Countries

Korea, Republic of

Contacts

Public ContactGahee Kim

Koera University Guro Hospital

pedstudy2020@google.com+82-2-2626-2425

Outcome results