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Could a probiotic boost your memory and sleep?

NCT ID NCT06968299

Symptom relief Sponsor: SunWay Biotech Co., LTD. 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is testing whether a probiotic supplement called ExoBDNF can improve cognitive abilities like memory and concentration, as well as sleep and mood. About 50 adults aged 18 and older will take the supplement daily for 8 weeks. Researchers will measure changes using questionnaires and computer-based tests.

What this could mean

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

Active substance
ExoBDNF probiotic supplement (Pediococcus acidilactici)
What this could lead to
If it works, this could point toward a simple, non-drug way to support memory, concentration, and sleep quality.
What could go wrong
This is a small, early-stage trial with no placebo group, so results may be due to chance or expectation. The supplement is not a treatment for any disease.

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 50 people

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

Started

May 2025

Expected to finish

Dec 2025

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

18 years and older

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. Subjects must be volunteers who are 18 years of age or older, mentally clear and able to communicate. 2. Subjects who agree to participate in this trial and voluntarily sign the trial consent form. Exclusion Criteria: 1. Subjects who are expected to be or have been confirmed to be pregnant (medical history). 2. Subjects with gallbladder disease, gastrointestinal disease, gout, porphyria, or a history of gastric weight control surgery. 3. Subjects with high blood pressure (≥160/100 mmHg after resting for 10 minutes) or taking diuretics. 4. Subjects with heart disease, hepatorenal insufficiency, hyperthyroidism or hypothyroidism, Cushing's syndrome, malignant tumors, or any other disease that may affect the results of the study. 5. Subjects with severe hearing or visual impairment that makes it impossible to perform examinations and assessments. 6. Subjects with any history of brain surgery, penetrating, neurovascular, infectious or other severe brain injury, epilepsy or other major neurological abnormalities, such as traumatic brain injury with loss of consciousness for more than 24 hours, or memory loss after head trauma for more than 7 days were excluded. 7. Subjects with intellectual disabilities. 8. Subjects who had consumed probiotics or were expected to consume probiotics within 2 weeks before the screening visit. 9. Subjects who had participated in or were expected to participate in clinical trials within 4 weeks before the screening visit.

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Conditions

The condition(s) this trial relates to.

Cognition Disorders mental disorder sleep disorder

As listed by the trial registrant

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

Cognitive function abnormal Cognitive functions perceptual disturbances Psychological Sleep

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

  • Tri-Service General Hospital, National Defense Medical Center

    RECRUITING

    Taipei, Taiwan

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