Teen fitness test reveals how weight affects exercise response
NCT ID NCT07103889
First seen Jun 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study looked at how a short, intense running test changes blood sugar, fats, inflammation, and other health markers in normal-weight and overweight/obese teenage girls. 35 girls aged 14-18 completed the Spartacus test, and blood was drawn before, right after, and 30 minutes later. The goal was to understand how weight status affects the body's immediate response to maximal exercise.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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35 people
The number who actually took part.
- Started
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Aug 2025
- Finished
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Aug 2025
- Lead sponsor
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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
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13 to 18 years
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Female, * Aged 14-18 years * BMI between the 5th and \<85th percentile for age (normal-weight group), or BMI ≥ 85th percentile for age (overweight/obese group) * No chronic illness or contraindication to exercise * No regular medication use * Written informed consent from participant and parent/legal guardian Exclusion Criteria: * Presence of chronic diseases (diabetes, thyroid disorders, etc.) * Musculoskeletal or cardiovascular contraindications to maximal exercise * Pregnancy * Recent infection or inflammation * Use of anti-inflammatory or hormonal medications
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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High Institute of Sports and Physical Education of Kef
Boulifa, Kef Governorate, 7100, Tunisia
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