Smartwatch app aims to tame Kids' meltdowns in real time
NCT ID NCT07312695
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tested a smartwatch app called holly™ that tracks children's emotional arousal levels and sends alerts to parents. Over three weeks, 126 children with strong emotional responses wore the watch while parents used a study phone to see updates and history. The goal was to see if families found the tool useful and easy to use at home, school, and in the community, and to gather early data on whether it improves quality of life.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- holly™ smartwatch app (device)
- What this could lead to
- If it works, this could give families a practical tool to help children manage strong emotions in real time, potentially improving daily life and emotional wellbeing.
- What could go wrong
- This is a small, early-stage community trial focused on usability, not on proving health outcomes. The app is informational only and not meant to diagnose or treat any condition.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Holland Bloorview Kids Rehabilitation Hospital
Toronto, Ontario, M4G1R8, Canada