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Could probiotics help kids with ADHD? new study investigates

NCT ID NCT07459699

Symptom relief Sponsor: Probi AB 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 08, 2026 · Updated 2 times

Summary

This study tests whether probiotics, a dietary supplement, can improve attention and brain-gut health in children aged 8 to 11 with mild ADHD. Half of the 80 participants will receive probiotics, and half a placebo. The main focus is on changes in attention test scores over time.

What this could mean

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

Active substance
Probiotics (dietary supplement)
What this could lead to
If it works, this could point toward a simple, safe supplement to help ease ADHD symptoms in children.
What could go wrong
This is a small, early pilot study with only 80 children. It may show no benefit, and results may not apply to all kids with ADHD.

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

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

About 80 people

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

Started

May 2026

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Ages

8 to 11 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Males and females aged 8 - 11 years * With mild ADHD symptoms * Patient and parents (legal representatives) able and willing to participate in the research by complying with the protocol procedures Exclusion Criteria: * Metabolic disorder * Severe chronic disease * GI disorders found to be inconsistent with the conduct of the study by the investigator * Neurological disorder involving central function (e.g., intellectual disability, autism spectrum disorder, epilepsy, narcolepsy) * Currently treated with a medication with primary central nervous system activity or major psychiatric condition requiring hospitalization * With a known or suspected food allergy or intolerance or hypersensitivity to any of the study products' ingredients * Having taken prebiotic or probiotic treatment in the month prior to inclusion, or having taken antibiotics for more than one week in the 3 months prior to inclusion, * Taking part in another clinical trial or being in the exclusion period of a previous clinical trial, * Parents (legal representatives) presenting a psychological or linguistic incapability to sign the ICF, * Parents (legal representatives) impossible to contact in case of emergency.

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Conditions

The condition(s) this trial relates to.

attention deficit hyperactivity disorder, inattentive type attention deficit-hyperactivity disorder

As listed by the trial registrant

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

Attention deficit hyperactivity disorder (ADHD)

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

  • Department of Developmental and Behavioral Pediatrics & Child Health Care Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine

    RECRUITING

    Shanghai, China

More trials for these conditions

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