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Can short bursts of intense running make young soccer stars faster and fitter?

NCT ID NCT07757100

Disease control Sponsor: Ercüment Erdoğan 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 11, 2026 · Last updated Aug 12, 2026 · Updated 1 time

Summary

This trial tests whether adding high-intensity interval training (HIIT) to regular soccer practice can improve fitness and sprinting in young male players. Twenty-four U19 players are split into two groups: one does extra HIIT sessions three times a week for eight weeks, while the other follows their usual routine. Researchers measure aerobic capacity, anaerobic power, sprint speed, and blood lactate levels before and after to see if the extra training makes a difference.

What this could mean

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

Active substance
High-Intensity Interval Training (HIIT)
What this could lead to
If effective, HIIT could become a standard addition to youth soccer training to enhance fitness and on-field performance.
What could go wrong
This is a small, early-stage study with only 24 participants, so results may not apply broadly. HIIT is demanding and carries a risk of injury or overtraining.

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

24 people

The number who actually took part.

Started

Sep 2021

Finished

Nov 2021

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

16 to 18 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: * Active male soccer player registered in the U19 category at Sivasspor A.Ş. Football Club * Regularly participating in team training sessions prior to the study * Voluntary participation with written informed consent obtained from parents or legal guardians * Free from any injury or health condition preventing participation in high-intensity exercise Exclusion Criteria: * Presence of a musculoskeletal injury within the past 3 months * Diagnosis of any cardiovascular, metabolic, or chronic health condition * Attendance rate below 90% during the 8-week training program * Withdrawal of consent by participant or parent/legal guardian

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As listed by the trial registrant

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

Athletic performance

Contacts and locations

Locations

  • Sivasspor A.Ş. Football Club

    Sivas, Turkey (Türkiye)

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