Clinical trials: Brain Insulin-sensitivity
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
Obesity
Effect of Bariatric Surgery on Brain Insulin Sensitivity
Adiposity is associated with prediabetes and type 2 diabetes. In very severe cases of adiposity in combination with type 2 diabetes, bariatric surgery has proven to be a successful therapy option.
- Trial name
- NCT03705923
- Testing
- Bariatric surgery
- Where
- Germany
- Volunteers
- 3 people
- Sponsor
- University Hospital Tuebingen
Insulin Resistance, Obesity
The Effect of Artificial Sweeteners (AFS) on Sweetness Sensitivity, Preference and Brain Response in Adolescents
The purpose of this study is to investigate the effects of dietary exposure to artificial sweeteners on taste sensitivity, preference and brain response in adolescents using fMRI, psychophysical measures, and questionnaires.
- Trial name
- NCT02499705
- Testing
- Sucralose, Sucrose, Sucralose + maltodextrin
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Yale University
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
Prediabetes, Brain Insulin Sensitivity
Long-term Effects of Avocado Consumption on Health in Pre-diabetic Individuals
Primary aim of the study is to assess the effect of 12-week daily avocado consumption on cerebral blood flow and markers of cardio- and vascular health in both, the periphery and the brain, in pre-diabetic individuals with…
- Conditions
- Prediabetes, Brain Insulin Sensitivity, Cerebral Blood Flow, Satiety and Food Intake
- Trial name
- NCT07752225
- Testing
- Avocados
- Where
- Netherlands
- Volunteers
- 34 people
- Sponsor
- Maastricht University Medical Center
Quality of Life, Acromegaly
Change in Quality of Life After Addition of Weekly 40 mg Pegvisomant/Placebo in Controlled Acromegalic Patients
Study Synopsis Study Title: Double blind, single centre, cross-over study on the effects of weekly subcutaneous administration of 40 mg pegvisomant or placebo on quality of life and insulin sensitivity in acromegalic patients…
- Trial name
- mec-2005-290 (NCT00642720)
- Testing
- Pegvisomant
- Volunteers
- 20 people
- Sponsor
- Erasmus Medical Center
Growth Hormone Deficiency
Evalutation of Insulin Sensitivity Through Hyperinsulinemic Clamp in Children With GH Deficiency
Data about the impact of growth hormone treatment on insulin sensitivity in children are quite controversial, due to the different surrogate indexes that have been used, like Homa-IR, QUICKI, ISI-Matsuda or adipokine levels.
- Trial name
- clamp-GHD (NCT03525171)
- Testing
- euglycemic hyperinsulinemic clamp
- Where
- Italy
- Volunteers
- 23 people
- Sponsor
- University of Palermo
Brain Vascular Function, Cognition
Aronia and Cognitive Fitness
Previously, beneficial effects of Aronia Melanocarpa extract (AME) supplementation on cognitive performance has been observed in healthy middle-aged adults. However, underlying mechanisms have not yet been addressed.
- Trial name
- NCT05268133
- Testing
- Aronia, Control
- Where
- Netherlands
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
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
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
Growth Hormone Deficiency
Low Dose Growth Hormone (GH) on Insulin Sensitivity and Cortisol Production Rates
Study hypothesis: Growth hormone (GH), through its generation of free 'bioavailable' insulin-like growth factor (IGF)-I, can improve insulin sensitivity in adults with GH deficiency.
- Trial name
- NCT00517062
- Testing
- Growth hormone (Genotropin)
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Oregon Health and Science University
Cushing Disease
Adipokine Profile in Patients With Cushing's Disease on Pasireotide Treatment
Background: Pasireotide treatment is strictly associated with glucose metabolism impairment. The aim of the study was to evaluate the effect of pasireotide on β -cell and adipose function in patients with Cushing's disease (CD).
- Trial name
- NCT03080181
- Testing
- Pasireotide 0.6 MG/ML
- Volunteers
- 24 people
- Sponsor
- University of Palermo
Hypopituitarism, Hydrocortisone
The Influence of Different Hydrocortisone Replacement Doses on the Partitioning and Flexibility of Ectopic Lipids in Patients With Corticotropic Hypopituitarism
This study aims at assessing the effect of today's standard of hydrocortisone dosage versus previous hydrocortisone dosage on flexibility and partitioning of ectopic lipid depots (IMCL and IHCL) after a standardised fat load…
- Conditions
- Hypopituitarism, Hydrocortisone, Lipids, Fatty Acids, Nonesterified
- Trial name
- Hydrocort (NCT02360046)
- Testing
- Hydrocortisone
- Where
- Switzerland
- Volunteers
- 30 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
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
Type 2 Diabetes, Insulin Sensitivity/Resistance
Exercise and Intranasal Insulin in Type 2 Diabetes
About 6.5 million adults in the United States who are 65 or older have dementia. While the exact cause of dementia is not known, it may be due to changes in the brain.
- Conditions
- Type 2 Diabetes, Insulin Sensitivity/Resistance, Cognition, Brain Blood Flow
- Trial name
- NCT07675499
- Testing
- Intranasal Insulin, High Intensity Exercise
- Where
- 4 sites in United States
- Volunteers
- 60 people
- Sponsor
- Rutgers, The State University of New Jersey
Aging, Obesity
Acute Exercise on Brain Insulin Sensitivity
Dementia is a leading cause of death in the United States among aging adults. Brain insulin resistance has emerged as a pathologic factor affecting memory, executive function as well as systemic glucose control.
- Conditions
- Aging, Obesity, Insulin Resistance, Cognition
- Trial name
- NCT05853913
- Testing
- Exercise
- Where
- 4 sites in United States
- Volunteers
- 16 people
- Sponsor
- Rutgers, The State University of New Jersey
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, Excessive Growth Hormone Secretion
Substrate Metabolism and Insulin Sensitivity in Acromegalic Patients Before and After Treatment
The purpose of this study is to investigate the effects of chronic elevated growth hormone on metabolism and insulin sensitivity by studying acromegalic patients before and after treatment.
- Conditions
- Acromegaly, Excessive Growth Hormone Secretion, Insulin Resistance
- Trial name
- NCT00647179
- Testing
- Transsphenoidal adenomectomy
- Where
- Denmark
- Volunteers
- 27 people
- Sponsor
- University of Aarhus
Glucose Metabolism Disorders
Relative Contribution of Brain Insulin Action for Postprandial Metabolism
The goal of this clinical trial is to clarify (i) the contribution of brain insulin action on regulation of systemic metabolism, (ii) sex-specific differences in the central regulation and (iii) the influence of the menstrual…
- Trial name
- BrainInsPPM (NCT06295640)
- Testing
- Oral glucose tolerance test with double-tracer dilution and intranasal insulin spray
- Where
- Germany
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Ulm
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