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Probiotic pill may beat dancer fatigue, small study hints

NCT ID NCT05567653

Symptom relief Sponsor: Poznan University of Physical Education Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether taking a daily probiotic supplement for three months could reduce fatigue and stress in professional dancers. Researchers measured changes in gut bacteria, immune markers, and stress-related chemicals in the blood. The goal was to see if probiotics could improve the gut-brain connection and help dancers cope with physical and mental demands.

What this could mean

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

Active substance
Probiotic supplement (Lactobacillus helveticus R-0052 and Bifidobacterium longum R-0175)
What this could lead to
If it works, this could point toward a natural way to ease fatigue and stress in people with physically demanding jobs.
What could go wrong
This is a very small, early study with only 26 dancers, so results may not apply to the general public. The supplement may not work better than a placebo.

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

26 people

The number who actually took part.

Started

Oct 2022

Finished

Jun 2023

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

18 to 36 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: * Age \> 18, \<36 years old; * Professional dancing activity with over 8 hours of training per week. Exclusion Criteria: * Age \<18,\> 36 y.o.; * Being injured within 3 months from the start of the study; * Taking pre- and / or probiotics in the last 3 months before the study; * Hospitalization during the last 4 weeks before starting of the study; * Traveling to tropical countries during the last 4 weeks before study; * Taking antibiotics, steroids and anabolic steroids in the last 4 weeks before study.

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Conditions

The condition(s) this trial relates to.

Fatigue Inflammation occupation-related stress disorder Occupational Stress

As listed by the trial registrant

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

Fatigue Stress, job

Contacts and locations

Locations

  • Poznan University of Physical Education

    Poznan, 61-871, Poland

More trials for these conditions

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