Can All-Out sprints reshape the Thyroid's response?

NCT ID NCT07765290

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

First seen Aug 14, 2026 · Last updated Aug 14, 2026

Summary

This study looks at whether a short burst of very intense exercise—repeated Wingate cycling sprints—can change levels of thyroid hormones in the blood. Twenty healthy male amateur soccer players, aged 19 to 22, will have blood drawn right before and right after the exercise to measure free T3, free T4, and TSH. The goal is to see how the thyroid responds to high-intensity anaerobic effort and what that might mean for exercise physiology.

What this could mean

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

Active substance: Repeated Wingate exercise (a series of high-intensity cycling sprints)
What this could lead to: If intense exercise reliably shifts thyroid hormone levels, this could help tailor training and recovery strategies for athletes and deepen understanding of how the body responds to anaerobic effort.
What could go wrong: This is a small, single-arm study in a narrow group (young male soccer players), so findings may not apply to other populations. It measures short-term hormone changes, not long-term effects or performance outcomes.

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As listed by the trial registrant

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

EXERCISE PHYSIOLOGY

Contacts and locations

Locations

Exercise Physiology Laboratory, Faculty of Sport Sciences, Karabuk University

Karabük, Karabük Province, 78050, Turkey (Türkiye)

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