New study explores language learning in kids with DLD
NCT ID NCT04531514
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study looked at how toddlers with developmental language disorder (DLD) learn sound patterns. Researchers tested 105 toddlers to see if adding meaning to sounds helps or hinders learning. The goal is to better understand language difficulties and create earlier, more effective interventions.
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 research could lead to earlier assessments and more effective therapies for children with language disorders.
- What could go wrong
- This is a completed observational study with 105 participants, so results are preliminary and may not apply to all children. The findings are about understanding the problem, not a direct treatment.
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.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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105 people
The number who actually took part.
- Started
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Aug 2020
- Finished
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May 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.
- Ages
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19 to 36 months
- 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: Toddlers will, based on parent case history report, have * normal hearing * no medical or developmental concerns * Language, speech, social, and motor development will be reported as within the expected range * dominant exposure to English from infancy * expressive vocabulary above the 10th percentile on the MacArthur-Bates Communicative Development Inventory (CDI; Fenson et al., 2006). Exclusion Criteria: Participants will be excluded who have * hearing impairment * intellectual impairment * autism * significant motor impairment * reported histories of developmental, speech, language, or hearing disorders
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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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Boys Town Hospital
Omaha, Nebraska, 68131, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Visual biofeedback may help children master the /s/ sound
- A new online approach may help children master the tricky /r/ sound
- Can Parents' everyday talk rewire young brains to boost language?
- AI speech coach boosts Kids' articulation in hybrid therapy trial
- Can quizzing help kids with language delays learn new words?