Clinical trial Recruiting at 1 site Interventional Ages 22 to 35 Men only

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 typeInterventional
Ages22 Years to 35 Years
SexMen only
Enrollment8 (estimated)
SponsorUniversity of Copenhagen
Academic / other
Locations1 site (Copenhagen)
StatusRecruiting
StartedMay 5, 2025
Main results expectedAugust 26, 2025
Study endsJanuary 2027
Registry record updatedDecember 2, 2025
Trial IDNCT06776094 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

  • 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

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.