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Teens' hormones and mood shift after intense running program

NCT ID NCT07311460

Knowledge-focused Sponsor: High Institute of Sports and Physical Education of Kef Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at whether a 10-week high-intensity interval training (HIIT) program could affect hormones like testosterone and cortisol, as well as mental health, in healthy 14- to 16-year-old boys. Twenty-eight teens were split into a HIIT group and a non-exercise control group. The goal was to see if the intense running workouts improved fitness, hormone balance, and feelings of depression, anxiety, or stress.

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) program
What this could lead to
If it works, this could show that HIIT is a simple, non-drug way to improve fitness and mental well-being in teenage boys.
What could go wrong
This is a small, early study in healthy teens, so results may not apply to other groups. The training is intense and may not be safe for 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

28 people

The number who actually took part.

Started

Nov 2024

Finished

Jan 2025

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

14 to 16 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: * male sex, * age 14 to 16 years, * normal weight according to the WHO child growth standards for BMI (BMI ≤ 85th percentile) * parental approval. Exclusion Criteria: * medical conditions contraindicating intense physical exercise * non-compliance with the training program * habitual physical activity exceeding school physical education lessons * current or recent (within 3 months) dietary supplementation or restriction * incomplete data.

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Conditions

The condition(s) this trial relates to.

Psychological Well-Being

As listed by the trial registrant

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

Hormone

Contacts and locations

Locations

  • Tunisia

    El Kef, Boulifa, 7100, Tunisia

More trials for these conditions

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