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New study seeks clues to why some children develop slower

NCT ID NCT07420829

Knowledge-focused Sponsor: Bartosz M. Radtke Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at 500 Polish children aged 3 to 6 to understand what factors are linked to developmental delays. Researchers will test thinking, language, and social-emotional skills, and ask parents about their child's behavior. The goal is to find patterns that could help identify and support children at risk earlier.

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

About 500 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2025

Expected to finish

Jan 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Polish preschool children aged 3 to 6 years.

Ages

3 to 6 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Children aged 3 to 6 years at the time of assessment. * Attendance at preschool education. * Written informed consent provided by a parent or legal guardian. * Ability to participate in standardized psychological assessment. * Assignment to one of the predefined study cohorts based on developmental history and clinical information. Exclusion Criteria: * Age below 3 years or above 6 years. * Severe acute medical condition preventing participation. * Severe uncorrected sensory impairment interfering with valid assessment. * Lack of parental informed consent.

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Conditions

The condition(s) this trial relates to.

Language Language Development Disorders learning disability Social Adjustment

As listed by the trial registrant

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

Child development Development delay Social functioning Speech delay

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Laboratory of Psychological and Educational Tests

    RECRUITING

    Gdansk, Pomeranian Voivodeship, 80-239, Poland

More trials for these conditions

Other studies related to the condition(s) this trial covers.