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Time-Restricted eating boosts judo Athletes' confidence and reduces muscle damage, study finds

NCT ID NCT07671443

Symptom relief Sponsor: University of Manouba 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a 5-month early time-restricted eating plan (eating only between 7 AM and 3 PM) in 100 highly trained young male judo athletes. Researchers measured changes in body composition, muscle damage markers, and psychological factors like anxiety and self-confidence. The goal was to see if this eating pattern could improve recovery and mental readiness without harming performance.

What this could mean

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

Active substance
early time-restricted eating (16:8 fasting protocol)
What this could lead to
If it works, this could suggest a simple dietary schedule to help athletes improve body composition, reduce muscle damage, and feel more confident before competitions.
What could go wrong
This is a small, completed study in a specific group (young male judo athletes). Results may not apply to other populations or sports, and the diet may be hard to follow long-term.

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

100 people

The number who actually took part.

Started

Jan 2026

Finished

Jun 2026

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

19 to 26 years

Sex

Male participants only

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: * aged 19-26 years; * male judo players; c) with at least 3 years of judo training experience; * engaged in judo training 5-6 days per week; e) healthy, with no known chronic illnesses or conditions affecting metabolism, mental health, or physical performance; * willing to adhere to a 16:8 e-TRE protocol for the 5-month study period; * non-smokers, as smoking may affect anxiety levels and cardiovascular health; * not using any performance-enhancing drugs or supplements that could interfere with the study's measurements. Exclusion Criteria: * current musculoskeletal injuries or conditions that could limit participation in training or affect muscle damage biomarkers; * diagnosed psychiatric disorders or current treatment for anxiety or mood disorders, as these could interfere with psychological assessments; * use of medications affecting metabolism, muscle recovery, or psychological state (e.g., corticosteroids, antidepressants); * prior experience with time-restricted eating or intermittent fasting within the past year, as prior adaptation could impact study outcomes; * dietary restrictions or practices (e.g., vegan or keto diet) that could affect nutrient intake or metabolic markers; * diagnosed sleep disorders or irregular sleep patterns, as sleep quality could impact both muscle recovery and psychological parameters; * inability to commit to the structured training program over the study period.

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Conditions

The condition(s) this trial relates to.

anxiety anxiety disorder Intermittent Fasting

As listed by the trial registrant

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

Anxiety Muscle damage Nutrition, healthy Self confidence Time-restricted eating

Contacts and locations

Locations

  • Higher Institute of Sport and Physical Education of Manouba (ISSEP Manouba)

    Manouba, Manouba, 2009, Tunisia

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