Clinical trials: Brain Insulin Sensitivity
Insulin Resistance
Effect of Weight Loss on Brain Insulin Sensitivity in Humans
Obesity if known to be associated with brain insulin resistance in humans. This condition has not only implication for the brain but also for whole-body energy homeostasis.
- Trial name
- NCT02991365
- Testing
- nasal insulin
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Normal Weight, Overweight and Obesity
Effect of GLP1 Receptor Agonist on Brain Insulin Responsiveness
The overarching goal of the current study is to investigate the effect of GLP-1 on brain insulin responsiveness in a randomized, single-blinded, within subject cross-over study design.
- Conditions
- Normal Weight, Overweight and Obesity, Insulin Sensitivity, Insulin Resistance
- Trial name
- NCT06487832
- Testing
- Subcutaneous GLP1-RA
- Where
- Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Insulin Sensitivity
The Importance of Insulin Action in the Brain for the Immune System During Physical Activity
The goal of this clinical trial is to clarify the interaction of central insulin action and physical activity with the immune system. Therefore, participants will undergo bicycle spiroergometer tests.
- Trial name
- NCT06552130
- Testing
- Spiroergometer test with intranasal insulin spray
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Ulm
Diabetes Mellitus, Hypertension
Impact of INsulin Sensitivity on Cardiovascular Risk Markers During 10-20 Years of FOllow up
The purpose of this study is to identify risk factors for insulin resistance and to investigate the influence of insulin sensitivity on development of cardiovascular risk markers like blood pressure, heart rate, body build…
- Conditions
- Diabetes Mellitus, Hypertension, Ischemic Heart Disease, Stroke
- Trial name
- INFO (NCT01412554)
- Where
- Norway
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Diabetes Mellitus, Type 2, Hypertension
Study of the Relationship Between Blood Vessels and Insulin Response in Adolescents
This study is designed to determine whether there is a relationship between the way insulin and blood vessels work. The difference in the interaction between Caucasian and African American adolescents will also be examined.
- Conditions
- Diabetes Mellitus, Type 2, Hypertension, Heart Disease, Stroke
- Trial name
- NCT00374361
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Obesity, Diabetes Mellitus Type 2
Diet, Insulin Sensitivity And the Brain
Obesity and insulin resistance may be in part explained by an altered reward system with changes in the serotonin/dopamine system.
- Trial name
- DISAB (NCT01297738)
- Testing
- Meal size increase with HFHS, Meal size increase with HS, Meal frequency increase with HFHS
- Where
- Netherlands
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Brain Insulin-sensitivity, Brain Vascular Function
Effects of Wild Blueberry Consumption on Brain Function in Elderly
Impaired brain vascular function precedes the development of reduced cognitive performance, while brain insulin-resistance is associated with cognitive decline.
- Conditions
- Brain Insulin-sensitivity, Brain Vascular Function, Cerebral Blood Flow
- Trial name
- NCT07177781
- Testing
- Wild blueberry powder
- Where
- Netherlands
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Insulin Resistance, Transcranial Direct Current Stimulation
Improving Insulin Sensitivity by Non-invasive Brain Stimulation in Persons With Insulin Resistance
Efforts in curing and preventing obesity and type 2 diabetes (T2D) have been elusive thus far. One reason for that is the lack of understanding of the role of the brain in the development and treatment of the disease.
- Trial name
- NCT04052399
- Testing
- anodal transcranial direct current stimulation, cathodal transcranial direct current stimulation, transcranial direct current stimulation
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Insulin Sensitivity
The Importance of Insulin Action in the Brain for the Immune System During Physical Activity-Overweight
The goal of this clinical trial is to clarify the interaction of central insulin action and physical activity with the immune system. Therefore, participants will undergo bicycle spiroergometer tests.
- Trial name
- NCT07466173
- Testing
- Spiroergometer test with intranasal insulin spray
- Where
- Germany
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Ulm
Acromegaly
Growth Hormone, IGF-1 and Medical Treatment in Acromegaly: Are There Effects on Gut Hormone Physiology and Postprandial Substrate Metabolism?
Acromegaly is a rare hormonal disorder leading to increased morbidity and mortality. In the vast majority of cases, a pituitary somatotroph cell adenoma causes excess growth hormone (GH) secretion, leading to hepatic…
- Trial name
- NCT02152124
- Where
- Belgium
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
Brain Vascular Function, Cerebral Blood Flow
Effects of Peanut Consumption on Brain Function
Impaired brain vascular function precedes the development of reduced cognitive performance, while brain insulin-resistance is also associated with cognitive decline.
- Conditions
- Brain Vascular Function, Cerebral Blood Flow, Brain Insulin Sensitivity, Cognitive Performance
- Trial name
- NCT05724654
- Testing
- Skin roasted peanuts
- Where
- Netherlands
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Insulin Sensitivity
Influence of Brain Insulin Sensitivity on Peripheral Insulin Sensitivity
The researchers will investigate if brain insulin action influences peripheral insulin sensitivity in healthy humans.
- Trial name
- NCT01847456
- Testing
- human insulin as nasal spray
- Where
- Germany
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Insulin Resistance, Transcranial Direct Current Stimulation
Improving Insulin Sensitivity by Non-invasive Brain Stimulation
Efforts in curing and preventing obesity and type 2 diabetes (T2D) have been elusive thus far. One reason for that is the lack of understanding of the role of the brain in the development and treatment of the disease.
- Conditions
- Insulin Resistance, Transcranial Direct Current Stimulation, Obesity, Diabetes
- Trial name
- NCT04420650
- Testing
- transcranial direct current stimulation
- Where
- Germany
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Impairment of Oral Perception, Insulin Resistance
The Effect of Artificial Sweeteners (AFS) on Sweetness Sensitivity, Preference and Brain Response in Adults
The purpose of this study is to investigate the effects of dietary exposure to artificial sweeteners on taste sensitivity, preference and brain response in adults.
- Trial name
- AFS-adult (NCT02335021)
- Testing
- Sucralose, Sucrose, Sucralose + maltodextrin
- Where
- United States
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- Yale University
Brain Vascular Function, Cerebral Blood Flow
Mixed Nuts and Brain Vascular Function
Impaired brain vascular function precedes the development of reduced cognitive performance, while brain insulin-resistance is also associated with cognitive decline.
- Trial name
- NCT04210869
- Testing
- Mixed Nuts
- Where
- Netherlands
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Human Physiology of Energy Homeostasis
Insulin Sensitivity of the Brain in Pathogenesis of Diabetes Mellitus Type 2
The purpose of the study is to investigate whether insulin sensitivity of the human brain correlates with insulin sensitivity of the liver.
- Trial name
- NCT00638209
- Testing
- Human insulin, Saline
- Where
- 2 sites in Germany
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
PreDiabetes, Body Weight
Effect of Empagliflozin Versus Placebo on Brain Insulin Sensitivity in Patients With Prediabetes
Recently, various sodium glucose cotransporter 2 (SGLT2) inhibitors have been approved for the treatment of type 2 diabetes mellitus. Empagliflozin is a preparation of this class of substances.
- Trial name
- NCT03227484
- Testing
- Empagliflozin 25mg
- Where
- Germany
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Obesity, Diabetes Mellitus, Type 2
Effect of High Caloric Diet on Brain Insulin Sensitivity and Inflammation
Obesity if known to be associated with brain insulin resistance in humans and evidence is rapidly accumulating that brain insulin resistance influences peripheral metabolism, eating behavior and cognition.
- Trial name
- NCT03590561
- Testing
- High caloric diet
- Where
- Germany
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Insulin Resistance, Obesity
Effects of Age and Obesity on Brain Insulin Sensitivity
Obesity and especially type 2 diabetes (T2D) increases the risk of neurocognitive dysfunctions including adverse effects on brain structure and function.
- Trial name
- Aging (NCT04372849)
- Testing
- Human nasal insulin
- Where
- Germany
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Brain Insulin Sensitivity, Brain Vascular Function
Effects of Ketone Monoesters on Brain Function
Disturbances in brain insulin-sensitivity are not only observed in obesity and type 2 diabetes (T2D), but also during brain aging and in dementia.
- Conditions
- Brain Insulin Sensitivity, Brain Vascular Function, Cerebral Blood Flow, Cognitive Performance
- Trial name
- NCT06395051
- Testing
- Ketone Monoester
- Where
- Netherlands
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center