Investigating how exercise affects muscle insulin sensitivity
Official title: The Significance of Physical Activity for Insulin Signaling Dynamics and Insulin Sensitivity
Run by University of Copenhagen · NCT06776094 · Data updated 2026-11-12
This study tests how a single session of one-legged exercise affects how well young healthy men’s muscles respond to insulin.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 22 Years to 35 Years |
| Sex | Men only |
| Enrollment | 8 (estimated) |
| Sponsor | University of Copenhagen Academic / other |
| Locations | 1 site (Copenhagen) |
| Status | Recruiting |
| Started | May 5, 2025 |
| Main results expected | August 26, 2025 |
| Study ends | January 2027 |
| Registry record updated | December 2, 2025 |
| Trial ID | NCT06776094 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are healthy young males aged 22-35 with a BMI between 28 and 35 and a moderate fitness level.
✕Probably not a fit
Patients who are women, have significant physical activity levels, or any acute illnesses may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study examines the effects of a single bout of one-legged knee-extensor exercise on muscle insulin sensitivity in young healthy males. Participants will undergo a controlled exercise session followed by a hyperinsulinemic-euglycemic clamp to assess insulin signaling dynamics. Blood samples and muscle biopsies will be collected at various time points to analyze changes in insulin sensitivity and glucose uptake mechanisms. The study aims to provide insights into the temporal development of insulin signaling post-exercise.
Why it matters
Potential benefit: If successful, this study could enhance understanding of how exercise improves insulin sensitivity, potentially leading to better management strategies for insulin resistance.
How similar studies have gone: Other studies have shown promising results regarding the effects of exercise on insulin sensitivity, making this approach both relevant and supported by existing literature.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Healthy individuals (no known diseases) * No use of medication * Non-smokers * Male * Aged 22-35 years * Fitness level (VO2max, i.e., maximal oxygen uptake) between 30-50 mL O2/min/kg * BMI between 28 and 35 Exclusion Criteria: * Women * Failure to meet all inclusion criteria * Physical activity level (e.g., running, cycling, fitness, etc.) exceeding 6 hours per week * Acute illness within 2 weeks prior to the study days * Use of recreational drugs within 2 weeks prior to the study days
Where it's running
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University of Copenhagen, August Krogh Section for Human and Molecular Physiology
Copenhagen, Denmark Recruiting
Study contacts
- Principal investigator: Jørgen FP Wojtaszewski, Prodessor — Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Denmark
- Study coordinator: Jørgen FP Wojtaszewski, Professor
- Email: jw@nexs.ku.dk
- Phone: +4535321625
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.