New app aims to diagnose Kids' speech delays using AI
NCT ID NCT07273370
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed study collected speech samples from 931 children aged 2 to 14 to test a new diagnostic app called 'Hi Dongdong'. The app uses AI to assess articulation and pronunciation, comparing it to a standard test. The goal was to see if the app can accurately identify speech delays in children.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could lead to a reliable AI-based app for early diagnosis of speech delays in children.
- What could go wrong
- This is a completed data collection study, not a treatment trial. The app's accuracy in real-world settings is still unproven.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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931 people
The number who actually took part.
- Started
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Sep 2025
- Finished
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Dec 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
korean(south)
- Ages
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2 to 13 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Children aged 2 to under 14 years old 2. Children possessing cognitive abilities sufficient to understand basic instructions and follow simple directions 3. Cases where the child's guardian has received a thorough explanation of the research purpose, methods, personal information, and voice data processing policies, and has signed the research consent form 4. Individuals who understand and consent to the research purpose and survey methods 5. Individuals meeting all criteria listed in the above selection criteria Exclusion Criteria: 1. Cases where guardian consent has not been secured 2. Cases where consent has not been obtained for the Personal Information and Voice Data Usage Agreement 3. Children unable to perform research tasks due to moderate or higher intellectual disability 4. Children with temporarily distorted voice characteristics due to acute illness (e.g., respiratory disease) 5. When the recording environment (maintaining concentration, prompting speech) cannot be secured 6. When any of the criteria listed in the above exclusion criteria apply
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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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Seoul National University Bundang Hospital
Seongnam-si, Gyeonggi-do, 13620, South Korea
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