Can a phone app keep kids safe from heat? beijing study tests digital alerts

NCT ID NCT07643571

Not yet recruiting Prevention Sponsor: Centers for Disease Control and Prevention, China Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a WeChat mini-program that sends heat warnings to parents and teachers of 200 fourth-graders in Beijing. When temperatures reach risky levels, the program shares health tips and alerts. The goal is to see if this helps children stay physically healthy and think clearly during hot weather. The trial compares kids whose families get the alerts to those who follow their normal routines.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: WeChat mini-program-based heat health risk early warning intervention
What this could lead to: If it works, this could provide a simple digital tool to help protect children from heat-related health problems like heart strain, breathing issues, and trouble thinking clearly.
What could go wrong: This is a small early study in just six schools, so results may not apply to other regions or age groups. The intervention depends on parents and teachers passing on alerts, which may not always happen.

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder Heat Stress Disorders mental disorder respiratory system disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CARDIOVASCULAR DISEASES HEAT ILLNESS MENTAL HEALTH DISORDERS NEUROCOGNITIVE IMPAIRMENT RESPIRATORY DISEASES

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