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Mushroom power: could AHCC keep your toddler Cold-Free?

NCT ID NCT07479394

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 10, 2026 · Updated 1 time

Summary

This study tests whether a daily supplement called AHCC, made from shiitake mushrooms, can reduce the number of respiratory infections (like colds) in children aged 2 to 4. Sixty children in daycare will receive either AHCC or a placebo for three months. Researchers will track fevers and measure immune markers to see if the supplement boosts immunity.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 60 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

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

4 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: 1. Children aged 4-6 years old at the time of enrolment 2. Good nutritional status with weight-for-height \> -2, and height-for-age z-score \> -2 based on WHO growth standards 3. Infants in a group setting (daycare centers). 4. No congenital disorder 5. Not suffering from severe coughing or diarrhoea at the time of recruitment 6. Written informed consent will be obtained from parents or legal guardians before enrollment. Exclusion Criteria: * Presence of chronic illnesses or conditions (congenital disorder, genetic syndromes, congenital heart disease, chronic renal failure, cystic fibrosis, etc) * Children who have participated in another clinical intervention study within the past 30 days. * Children who are likely to be transferred to another facility that is not part of the study before completing the follow-up period

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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How to take part

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  1. The official record

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

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More trials for these conditions

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