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Effects of Age and Obesity on Brain Insulin Sensitivity — Aging  

Obesity Clinical Trial

Official title:
Insulinsensitivität Des Menschlichen Zentralnervensystems Mit Fortschreitendem Alter: Kernspintomographische Untersuchung Mit Intranasaler Gabe Von Insulin

Clinical Trial 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.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04372849
Study type Interventional
Source University Hospital Tuebingen
Contact
Status Completed
Phase N/A
Start date April 28, 2017
Completion date March 1, 2020
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