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Secrets of the season: how training cycles shape athletes inside and out

NCT ID NCT07709273

Knowledge-focused Sponsor: The Jerzy Kukuczka Academy of Physical Education in Katowice 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 16, 2026 · Last updated Jul 17, 2026 · Updated 1 time

Summary

This study follows 300 team athletes (football, volleyball, ice hockey) aged 14–38 over two points in their training year, measuring body composition and psychological traits like eating behavior, perfectionism, and body image. The goal is to understand how seasonal changes in training and lifestyle affect physical and mental well-being, and to identify factors that lead to better or worse adaptations. Results may help develop personalized monitoring and support strategies for athletes.

What this could mean

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

What this could lead to
If successful, this study could help coaches and trainers personalize nutrition, training, and mental support for athletes based on seasonal changes.
What could go wrong
This is an observational study, so it cannot prove cause and effect. Results may not apply to all sports or athlete levels.

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.

Participants

About 300 people

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

Started

Mar 2026

Expected to finish

Dec 2028

An estimate. End dates often move.

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.

Who is studied

Male and female team sport athletes recruited from sports clubs and academies in Poland, including football, volleyball, and ice hockey players aged 14 to 38 years.

Ages

14 to 38 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 * Male or female athletes. * Age 14 to 38 years. * Participation in a team sport, including football, volleyball, or ice hockey. * Regular training experience of at least 5 years. * Current membership in a sports club. * Valid medical clearance confirming no contraindications to sport participation. * Ability to understand the study procedures and complete study questionnaires. * Willingness to provide informed consent. * For participants under 18 years of age, written consent from a parent or legal guardian. Exclusion Criteria * Does not meet one or more inclusion criteria. * Pregnancy, due to exposure to ionizing radiation in adult participants undergoing DEXA. * Refusal or inability to provide informed consent. * For minors, absence of parental or legal guardian consent. * Any medical or organizational condition that, in the investigators' opinion, would prevent safe participation or valid completion of the study procedures. DEXA will be performed only in adult participants.

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Conditions

The condition(s) this trial relates to.

Feeding Behavior Motor Activity

As listed by the trial registrant

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

Eating behavior Perfectionism

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

  • The Jerzy Kukuczka Academy of Physical Education in Katowice

    RECRUITING

    Katowice, Silesian Voivodeship, 40-065, Poland

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