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Could a daily probiotic help seniors stay strong?

NCT ID NCT07538830

Symptom relief Sponsor: Lactomason 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether a probiotic called Lactiplantibacillus plantarum LM1001 can improve muscle strength in older adults with age-related muscle weakness. One hundred participants aged 50 to 84 will take either the probiotic or a placebo daily for 12 weeks. Researchers will measure changes in leg strength, muscle mass, and physical performance to see if the probiotic helps.

What this could mean

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

Active substance
Lactiplantibacillus plantarum LM1001 (a probiotic)
What this could lead to
If it works, this could point toward a simple, safe probiotic supplement to help older adults maintain muscle strength and physical function.
What could go wrong
This is a small, early-stage trial with only 100 participants. The effect may be small or no better than placebo, and results may not apply to everyone.

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 100 people

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

Started

Jan 2026

Expected to finish

Dec 2026

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

50 to 85 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: * Adults aged 50 to 84 years (male or female) * Body mass index (BMI) between 18.5 and 30.0 kg/m² * Reduced skeletal muscle mass (≤110% of standard value by BIA) * Decreased handgrip strength according to age- and sex-specific criteria * Short Physical Performance Battery (SPPB) score over 9 * Able to perform normal physical activity and provide written informed consent Exclusion Criteria: * Clinically significant acute or chronic diseases requiring treatment * Conditions affecting muscle function or physical performance (e.g., severe musculoskeletal, neurological, or cognitive disorders, including sarcopenia) * Significant gastrointestinal disorders or history of major gastrointestinal surgery * Severe psychiatric disorders or recent use of antipsychotic medications * Respiratory diseases affecting lung function * Excessive alcohol intake, substance abuse, or heavy smoking * Known hypersensitivity to the investigational product or its components * Recent use of medications or supplements affecting muscle function or gut microbiota (e.g., antibiotics, probiotics, steroids) * Regular high-intensity or resistance exercise * Clinically significant abnormal laboratory findings or uncontrolled medical conditions * Recent fractures within the past year * Participation in another clinical trial within 3 months prior to screening * Pregnant or breastfeeding women * Individuals unable to communicate or ambulate * Any other condition deemed unsuitable by the investigator

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As listed by the trial registrant

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

Age-related muscle weakness

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

  • Pusan National University Hospital

    RECRUITING

    Busan, 49241, South Korea

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