Effects of Age and Obesity on Brain Insulin Sensitivity
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- STATUS
- Recruiting
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- participants needed
- 40
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- sponsor
- University Hospital Tuebingen
Summary
Obesity and especially type 2 diabetes (T2D) increases the risk of neurocognitive dysfunctions including adverse effects on brain structure and function. Recent evidence from clinical studies have shown that T2D almost doubles the risk for dementia. As the population gets older, age-related chronic diseases, as T2D, become more prevalent. Scientific evidence is emerging that there are several links between metabolic and neurocognitive functions. Impaired insulin action (i.e. insulin resistance), the main hallmark of T2D, has been suggested as a likely shared common pathophysiological mechanism. However, the neural processes that determine how insulin resistance is are connected to the onset and progression of T2D and dementia remain unclear. In this context, the overall aim is to study brain insulin resistance to disentangle age-related and obesity related brain insulin resistance in healthy normal and overweight/obese persons at the age of 20 to 70 years . To this end, the investigators will assess brain insulin action using intranasal insulin/placebo during functional Magnetic Resonance Imaging (fMRI). Additionally, structural changes and cognitive processes will be assessed as secondary variables.
Details
| Condition | Insulin Resistance, Obesity, Obesity |
|---|---|
| Age | 20years - 70years |
| Treatment | Placebo, Human nasal insulin |
| Clinical Study Identifier | NCT04372849 |
| Sponsor | University Hospital Tuebingen |
| Last Modified on | 5 August 2020 |
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