Clinical trials: Pancreatic Beta Cell Function
Type 2 Diabetes Mellitus
The Verona Newly Diagnosed Type 2 Diabetes Study
Type 2 diabetes mellitus is a complex disease whose clinical phenotype results from the variable combination of genetic and nongenetic factors.
- Trial name
- VNDS (NCT01526720)
- Where
- Italy
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Universita di Verona
Diabetes Mellitus, Type 1, Diabetes Mellitus
Urine Extracellular Vesicles: Non-invasive Biomarkers of Β-cell Function and Novel Therapeutic Agents in Diabetes
Diabetes mellitus is a common chronic disease with a huge socioeconomic burden worldwide. Type 1 Diabetes(T1D) accounts for nearly 95% of diabetes in pediatric age and a lifelong dependence on exogenous insulin.
- Trial name
- EvsBioDiabetes (NCT06832215)
- Testing
- Blood and urine samples collection
- Where
- Portugal
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Unidade Local de Saúde de Coimbra, EPE
Generation of Anti COVID-19 Antibodies in a Fetus, Whose Mother Was Exposed to COVID or Was Vaccinated During Pregnancy
COVID 19 ANTOBODIES IN PREGNANT WOMEN AND THEIR CONNECTION TO BETA CELL FUNCTION IN THE FETUS
The aim of this study is to check for the presence of COVID 19 antibodies [Covid-19, GAD-65, IA-2, ICA] in the blood of laboring women who have been exposed to either the virus itself or to the vaccine during pregnancy .
- Trial name
- NCT04860908
- Testing
- no intervention, observation only
- Where
- Israel
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Maaynei Hayesha Medical Center
Type 2 Diabetes
Glucose Response, Excursions And Treatment (GREAT) Study
Patients with type 2 diabetes have very variable endogenous insulin secretion. While some patients have relatively preserved endogenous insulin with marked insulin resistance others may develop the very severe insulin deficiency…
- Trial name
- GREAT (NCT02506296)
- Testing
- DPPIV inhibitor -, Continuous glucose monitoring system.
- Where
- United Kingdom
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Royal Devon and Exeter NHS Foundation Trust
Gestational Diabetes
Can Resveratrol Improve Insulin Sensitivity and Preserve Beta Cell Function Following Gestational Diabetes?
The purpose of this study is to determine if resveratrol supplementation preserves beta cell function and insulin sensitivity in post-partum women following a first diagnosis of gestational diabetes.
- Trial name
- NCT01997762
- Testing
- Resveratrol
- Where
- Canada
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Turner Syndrome
Risk of Diabetes in Young Turner Syndrome Patients
Turner Syndrome is a common genetic disorder. Seventy percent of adults with Turner Syndrome have abnormalities in glucose metabolism which can lead to diabetes.
- Trial name
- NCT02160717
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Obesity, Insulin Resistance
Vitamin K and Glucose Metabolism in Children at Risk for Diabetes (Vita-K 'n' Kids Study)
The undercarboxylated fractions of the two vitamin K-dependent proteins osteocalcin and matrix Gla protein have been shown to play key roles in type 2 diabetes and cardiovascular disease (at least in mouse models).
- Conditions
- Obesity, Insulin Resistance, Insulin Sensitivity, Prediabetes
- Trial name
- NCT01972113
- Testing
- Low-Dose Vitamin K2 (menaquinone-7; 45 mcg/d), High-Dose Vitamin K2 (menaquinone-7; 90 mcg/d)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Augusta University
Fatty Liver, Insulin Resistance
Insulin Resistance in Non-alcoholic Fatty Liver Disease
The purpose of this study is to determine whether nonalcoholic fatty liver disease (NAFLD) is associated with altered peripheral and hepatic insulin sensitivity and to investigate potential mechanisms underlying insulin…
- Trial name
- NCT00252499
- Testing
- rosiglitazone, fenofibrate
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
COVID19, BETA-CELL FUNCTION
Effects of COVID-19 Infection on Beta-cell Function in Euglycemic Patients
In recent months, a new coronavirus, SARS-CoV-2, has been identified as the cause of a serious lung infection named COVID-19 by the World Health Organization.
- Trial name
- COBETOX (NCT04463849)
- Testing
- Stimulation test with arginine infusion in order to verify the possible existence of damage to the beta cell function induced by COVID-19 infection
- Where
- Italy
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Milan
Obesity, Type 2 Diabetes
Role of Pancreatic Triglyceride Content in Beta-cell Function
The study evaluates if fat accumulates in the pancreas in individuals at risk of developing obesity-related diabetes. It also evaluates if the amount of fat in the pancreas can predict the residual functional capacity of the…
- Trial name
- NCT00602953
- Testing
- No intervention planned.
- Where
- United States
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Type 2 Diabetes Mellitus
Glucolipotoxicity and Type 2 Diabetes
Elevations of blood glucose and lipid are thought to be deleterious to the insulin secretory function of the pancreas. This is known as glucolipotoxicity. However, few studies have examined this in detail.
- Trial name
- NCT01375270
- Testing
- Glucotoxicity, Lipotoxicity
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Prediabetes
Effect of Resistant Starch on Insulin Sensitivity and Beta Cell Function in Subjects With Prediabetes
To compare the use supplementation based on green banana flour versus placebo in the insulin sensitivity on individuals who have prediabetes.
- Trial name
- NCT03294915
- Testing
- Resistant Starch
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hospital de Clinicas de Porto Alegre
Gestational Diabetes Mellitus
Insulin Action During Pregnancy in Woman at High Risk for Gestational Diabetes
The project objective is to validate a new indirect estimate of insulin status in both pregnant African-American women and Caucasian women in southern Louisiana who are at risk for gestational diabetes mellitus.
- Trial name
- DRM (NCT00687479)
- Where
- United States
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- Woman's
Insulin Resistance Syndrome X, Pancreatic Beta Cell Function
Mechanism of Fatty Acid-Induced Impairment of Glucose-Stimulated Insulin Secretion
A prolonged elevation of plasma free fatty acids (FFA) impairs glucose stimulated insulin secretion. The concept of fatty acid impairment of glucose stimulated insulin secretion (lipotoxicity) has now been well accepted.
- Trial name
- NCT00188773
- Testing
- N-acetylcysteine, intralipid, heparin
- Where
- Canada
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto
Type 2 Diabetes
Exercise, Glucose Kinetics, and the Incretin Effect
Human volunteers will be stratified by oral glucose tolerance status: normal glucose tolerant, impaired glucose tolerant, and type 2 diabetic.
- Trial name
- NCT01607931
- Testing
- Exercise
- Where
- Denmark
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Diabetes Mellitus, Type 2, Impaired Glucose Tolerance (IGT)
Pre-diabetes in Subject With Impaired Fasting Glucose (IFG) and Impaired Glucose Tolerance (IGT)
HYPOTHESIS: Impaired glucose tolerance (IGT) and impaired fasting glucose (IFG) have distinct pathophysiologic etiologies. Therefore, therapeutic interventions designed to correct the specific underlying pathogenic abnormalities…
- Conditions
- Diabetes Mellitus, Type 2, Impaired Glucose Tolerance (IGT), Impaired Fasting Glucose (IFG)
- Trial name
- NCT02969798
- Testing
- Dapagliflozin, Saxagliptin, Pioglitazone
- Where
- United States
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
the Diabetic Process
Deacylated Ghrelin and Beta Cell Function
Use of human unacylated ghrelin (UAG, also called des-octanoyl ghrelin) to study physiology in healthy subjects. The proposed research is an investigator-initiated study funded by the National Institutes of Health designed to…
- Trial name
- UAG (NCT01531283)
- Testing
- unacylated ghrelin, acyl ghrelin, combined acyl and desacyl ghrelin
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- David Dalessio
Type 1 Diabetes
Combination Therapy With Sitagliptin and Lansoprazole to Restore Pancreatic Beta Cell Function in Recent-Onset Type 1 Diabetes
Sanford Research/USD proposes to study the combination therapy of oral administration of sitagliptin and lansoprazole versus placebo for the preservation of pancreatic beta cells still present in patients with recent-onset…
- Trial name
- REPAIR-T1D (NCT01155284)
- Testing
- Sitagliptin and Lansoprazole
- Where
- 3 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Sanford Health
Obesity, Insulin Resistance
Vitamin K and Glucose Metabolism in Adults at Risk for Diabetes (Vita-K 'n' Adults Study)
Given that glutamate carboxylation or decarboxylation is key to the metabolic role of osteocalcin (at least in mouse models) and that carboxylation is vitamin K dependent, it is critical to isolate the effect of vitamin K…
- Conditions
- Obesity, Insulin Resistance, Insulin Sensitivity, Beta-Cell Dysfunction
- Trial name
- NCT02366481
- Testing
- Low-Dose Vitamin K2 Supplement (menaquinone-7; 90-mcg/d), High-Dose Vitamin K2 Supplement (menaquinone-7; 180-mcg/d)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Augusta University
Type 2 Diabetes
Vitamin D Inadequacy is Associated With Incidence of Type 2 Diabetes
Emerging evidence suggests that vitamin D [25-hydroxyvitamin D; 25(OH)D] may play a role in the etiology of type 2 diabetes. Vitamin D levels are lower in those with type 2 diabetes and impaired glucose tolerance (IGT) compared…
- Trial name
- NCT01508481
- Where
- South Korea
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Seoul National University Bundang Hospital