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Elite Rowers' brain chemistry reveals secrets of stress and recovery

NCT ID NCT06683625

Knowledge-focused Sponsor: Poznan University of Physical Education 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27 elite Polish rowers to see how intense exercise changes brain chemicals like serotonin and dopamine, and how these relate to energy levels and stress. Researchers measured these chemicals and asked athletes about their mood and recovery before, right after, and one hour after a tough workout. The goal was to understand how energy availability affects performance and recovery, which could help design better training plans.

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

27 people

The number who actually took part.

Started

Nov 2024

Finished

Nov 2024

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

The study will be conducted at the Olympic Preparation Center COS OPO in Wałcz. Testing will begin in the morning with fasting body composition measurements and blood sampling to determine baseline values of measured parameters. Psychological assessments, including questionnaires tailored for the study, will also be administered. Following this, participants will undergo an exercise test in a specialized training room equipped with modern rowing ergometers, during which each athlete will row a distance of 6,000 meters as quickly as possible. Athletes will be encouraged to maximize their effort throughout the test. Additional blood samples will be collected according to the testing schedule. The blood samples will then be transported to the ZWKF AWF laboratory in Poznań for parameter analysis.

Ages

18 years and older

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: * Gender and Biological Sex Alignment: Participants' self-identified gender must align with their biological sex due to the effects of sexual dimorphism on athletic performance. Sex: Both male and female athletes are eligible to participate. Training Level: Participants must be highly trained, with a minimum of 5 years of consistent, high-level athletic training experience. Experience: Participants should have competitive experience at a regional, national, or international level. Health Status: Participants must be healthy, with no current or chronic medical conditions, injuries, or diseases that could affect study outcomes. Exclusion Criteria: * Gender-Biological Sex Mismatch: Individuals whose self-identified gender does not align with their biological sex are excluded, to maintain consistency in data affected by sexual dimorphism. Training Level: Recreational athletes, individuals with less than 3 years of high-level training, or those lacking competitive experience are excluded. Health Conditions: Individuals with any medical conditions, chronic illnesses, acute injuries, or undergoing treatments that may interfere with athletic performance or study variables are excluded. Medication: Use of medications or supplements that could influence metabolism, muscle composition, or overall physical performance results in exclusion. Other Factors: Any other factors, such as lifestyle habits (e.g., smoking, excessive alcohol use), that could affect physiological responses to training and testing, are grounds for exclusion.

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Conditions

The condition(s) this trial relates to.

Fatigue

As listed by the trial registrant

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

Healthy

Contacts and locations

Locations

  • Poznań University of Physical Education

    Poznan, Greater Poland Voivodeship, 61-871, Poland

More trials for these conditions

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