Clinical trials: Insulin Secretion
Prediabetes, Type 2 Diabetes
RISE Adult Medication Study
The RISE Adult Medication Study is a 4-arm, 3-center, clinical trial of adults with prediabetes and early type 2 diabetes to address the hypothesis that aggressive glucose lowering will lead to recovery of beta-cell function that…
- Trial name
- RISE Adult (NCT01779362)
- Testing
- Metformin, Liraglutide, Glargine
- Where
- 4 sites in United States
- Volunteers
- 267 people, healthy volunteers welcome
- Sponsor
- RISE Study Group
Pre-Diabetic
Effect of 1,25-dihydroxyvitamin D3, Treatment on Insulin Secretion and Muscle Strength in Pre-diabetic Persons
The purpose of this research is to study the effects of 1,25(OH)2 D3 (a prescription form of active Vitamin D) on muscle strength and insulin secretion by the pancreas and glucose utilization by skeletal muscle.
- Trial name
- NCT04286529
- Testing
- Calcitriol capsules
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Sleep, Insomnia
Treatment of Insomnia and Glucose Metabolism
Available data suggest that obtaining adequate sleep is associated with a better ability of the body to use carbohydrates as a source of energy and a lower risk of developing diabetes.
- Conditions
- Sleep, Insomnia, Insulin Resistance
- Trial name
- NCT00724282
- Testing
- Eszopiclone
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Type 2 Diabetes Mellitus
Return of First-phase Insulin Secretion in Type 2 Diabetes is Associated With Depletion of Pancreas Lipid
The hypothesis for this study is that pancreas lipid will be more closely associated with first-phase beta-cell response in African-Americans than in European-Americans, both at baseline and in response to treatment.
- Trial name
- NCT03430310
- Testing
- Low Glycemic Diet, Control Diet
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Diabetes Mellitus, Type 2
Effect of LY2189265 on Insulin Secretion in Response to Intravenous Glucose
The purpose of this study is to measure the effect of LY2189265 to increase insulin levels in response to glucose intake.
- Trial name
- NCT01300260
- Testing
- LY2189265, Insulin, Glucose
- Where
- Germany
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Eli Lilly and Company
Healthy
A Dose-response Study Examining the Contribution of GLP-1 Receptor Signaling to Glucagon-stimulated Insulin Secretion
The GLP-1 receptor (GLP1R) gene is found on the beta cells of the pancreas. Its role is in the control of blood sugar level by enhancing insulin secretion from the pancreas after eating a meal.
- Trial name
- NCT04459338
- Testing
- Exendin-9,39, Saline
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Adrian Vella
Type 2 Diabetes, Healthy
Effect of Pioglitazone and Exenatide on Body Weight and Beta Cell Function
Pioglitazone, a drug used in treatment of type 2 diabetes has been shown to improve insulin sensitivity in skeletal muscle, liver, and fat cells.
- Conditions
- Type 2 Diabetes, Healthy, Impaired Glucose Tolerance
- Trial name
- PIO-EX (NCT00845182)
- Testing
- Pioglitazone, Exenatide, Pioglitazone and Exenatide
- Where
- United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Metabolic Diseases
Evaluation of Kisspeptin Glucose-Stimulated Insulin Secretion With Oral Glucose Tolerance Test
The goal of this study is to understand how exogenous kisspeptin affects metabolism by evaluating responses to an oral glucose tolerance test
- Trial name
- NCT04958109
- Testing
- Oral Glucose Tolerance Test, Kisspeptin
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Prediabetes, Type 2 Diabetes
RISE Pediatric Medication Study
The RISE Pediatric Medication Study is a 2-arm, 4-center, clinical trial of children with prediabetes and early type 2 diabetes to address the hypothesis that aggressive glucose lowering will lead to recovery of beta-cell…
- Trial name
- RISE Peds (NCT01779375)
- Testing
- Metformin, Glargine
- Where
- 4 sites in United States
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- RISE Study Group
Glucose Homeostasis
Dipeptidyl Peptidase-4 Inhibition on Glucagon-like Peptide-1 (GLP-1)
This research is being done to evaluate the effect of glucagon-like peptide-1 (GLP-1, a naturally occurring hormone) on insulin release and to examine whether there is extra insulin release when GLP-1 is not allowed to be rapidly…
- Trial name
- NCT00947011
- Testing
- Januvia
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Hyperlipidemia, Insulin Resistance
Relationship Between Insulin Resistance and Statin Induced Type 2 Diabetes, and Integrative Personal Omics Profiling
Background: There is general agreement that statin-treatment of patients to lower plasma cholesterol levels can increase the incidence of type 2 diabetes mellitus (T2D) in some individuals1-5.
- Conditions
- Hyperlipidemia, Insulin Resistance, Type 2 Diabetes
- Trial name
- NCT02437084
- Testing
- Atorvastatin
- Where
- United States
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Stanford University
Healthy, Type 2 Diabetes
Effects of Dipeptidyl Peptidase-4 (DPP-4) Inhibition on Hormonal Responses to Macronutrient Ingestion
The regulation by DPP-4 inhibition after ingested of different individual macronutrients is not known. Therefore, this study examines the influence of ingestion of fat, protein, glucose or mixed meal on the concentrations of…
- Trial name
- NCT00885638
- Testing
- Sitagliptin
- Where
- Sweden
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Lund University
Prediabetes
Interdisciplinary and Family Intervention to Prevent Type 2 Diabetes
The purpose of the study is to evaluate the effect of a family and interdisciplinary approach on individual and family insulin resistance and insulin secretion in patients with prediabetes.
- Trial name
- CARE-in-DEEP (NCT02635646)
- Testing
- Family and interdisciplinary approach, individual approach
- Where
- Mexico
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- Universidad de Guanajuato
Insulin Secretion
Regulation of Insulin Secretion by the GLP-1 Receptor
AIM2: The purpose of Aim-2 of this study is to determine the role of basal GLP-1 action on the beta-cell response to insulin resistance.
- Trial name
- NCT02844907
- Testing
- Exendin (9-39), Dexamethasone, Hyperglycemic Clamp
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
The Methodology Assessment of Glucose Dependent Insulin Secretion
A Study to Compare Methodologies for Assessing Glucose-Dependent Insulin Secretion (0000-104)(COMPLETED)
This study will compare graded glucose infusion (GGI) to the hyperglycemic clamp (HGC) for assessment of glucose-dependent insulin secretion (GDIS) using exenatide as a probe.
- Trial name
- NCT00782418
- Testing
- Comparator: exenatide
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Obesity
Incretin Effect in People With Impaired Fasting Glucose
Regulation of endogenous glucose production (EGP) and insulin secretion are major actions of glucagon-like peptide-1 (GLP-1). Determining whether alterations in GLP-1 may contribute to abnormal EGP and insulin secretion in people…
- Trial name
- 1651 (NCT00795275)
- Testing
- Sitagliptin Phosphate
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Pre Diabetes, Insulin Resistant
Beneficial Effect of Salicylates: Insulin Action, Secretion or Clearance?
The possibility that obesity-associated inflammatory changes may play a role in the pathogenesis of type 2 diabetes (2DM) has led to increased interest in the possibility that salicylates might represent a useful treatment to…
- Trial name
- NCT02007577
- Testing
- salsalate
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Stanford University
Healthy
DPP4 Inhibition & Beta Cell Function
This study is being done to determine the role of a hormone, glucagon-like peptide 1 (GLP-1), on insulin secretion and to study how GLP-1 works in in diabetic individuals as compared to non-diabetic individuals, under fasting…
- Trial name
- NCT02683187
- Testing
- Active Comparator: Sitagliptin
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- David D'Alessio, M.D.
Diabetes
GLP1R Polymorphisms and Response to GLP1
Glucagon-like Peptide-1 (GLP-1) is an important incretin hormone which acts as a powerful insulin secretagogue. Defects in GLP-1 synthesis and secretion are thought to be part of the pathogenesis of type 2 diabetes.
- Trial name
- NCT00588380
- Testing
- GLP-1
- Where
- United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Diabetes, Hyperglycemia
Insulin Secretion in Diabetes Before and After Glycemic Control
The objective of this project is to understand defects in insulin secretion that contribute to abnormal glucose metabolism in patients with diabetes.
- Trial name
- NCT00469833
- Testing
- insulin glargine
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs