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Clinical Trial Summary

The overarching goal of the current study is to investigate the effect of one acute bout of exercise on the brain insulin responsiveness in a cross-over study design. To this end, investigators will compare the effect of two single endurance exercise sessions with different intensities, namely moderate intensity continuous training (MICT) and high-intensity-interval-training (HIIT), which will be performed in a randomized order. This will be compared to a waiting control condition.


Clinical Trial Description

Investigate one acute bout of exercise on the brain insulin responsiveness using functional magnetic resonance imaging in combination with intranasal insulin in healthy participants of normal-weight and overweight/obesity. Two single endurance exercise sessions with different intensities will be evaluated, namely moderate intensity continuous training (MICT) and high-intensity interval training (HIIT). This will be compared to a waiting control condition. In a cross-over design, investigators will compare cerebral response from before to after intranasal insulin administration after a single bout of HIIT or MICT compared to a control condition without exercise. Cerebral response is defined as the cerebral blood flow and resting state functional connectivity in response to intranasal insulin. Secondary outcomes include changes in blood metabolites and proteins and changes in eating behavior. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06039787
Study type Interventional
Source University Hospital Tuebingen
Contact Stephanie Kullmann, PhD
Phone 0049707129
Email stephanie.kullmann@med.uni-tuebingen.de
Status Recruiting
Phase N/A
Start date October 20, 2023
Completion date December 31, 2026

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