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Can a shuttle run shift key blood nutrients? study tests the question

NCT ID NCT07826598

Knowledge-focused Sponsor: Inonu University Source: ClinicalTrials.gov ↗

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The trial has finished. Results may not be published yet.
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Cancelled before anyone took part.

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First seen Sep 17, 2026 · Last updated Sep 18, 2026 · Updated 1 time

Summary

Researchers at Inonu University are studying how a single session of aerobic exercise changes levels of ferritin, folate, vitamin B12, and parathyroid hormone in professional soccer players. Forty male players will complete a progressive 20-meter shuttle run test. Blood samples taken before and after the run will show whether these markers shift immediately after intense exercise.

What this could mean

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

Active substance
20-meter shuttle run test
What this could lead to
If the study finds clear shifts in these blood markers, it could help coaches and doctors understand how intense aerobic exercise affects nutrient and hormone levels in athletes.
What could go wrong
This is a small study of 40 professional male soccer players, so the results may not apply to other athletes, women, or non-athletes. The study only measures immediate changes after one exercise session, not long-term effects.

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

About 40 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Sep 2026

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.

Ages

18 to 25 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:- Professional soccer players. * Willing and able to participate in the study procedures. * Provision of informed consent. Exclusion Criteria:- Inability to complete the aerobic exercise protocol. \- Withdrawal from the study or unwillingness to continue participation.

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As listed by the trial registrant

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

Blood parameters Exercise physiology

How to take part

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  1. The places running it

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  2. The official record

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Contacts and locations

Locations

  • Exercise Physiology Laboratory, Faculty of Sport Sciences, Karabuk University

    Karabük, Turkey (Türkiye)

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