Clinical trials: Oral Glucose Tolerance Test, active
Type 2 Diabetes, Glucose Metabolism Disorders
The CGM-OGTT Glycemic Homeostasis Study
This is a prospective, exploratory, observational study aimed at investigating the mechanisms of glycemic homeostasis by comparing continuous glucose monitoring (CGM) data with results from the oral glucose tolerance test (OGTT).
- Trial name
- NCT07288372
- Volunteers
- 225 people
- Sponsor
- Shanghai 6th People's Hospital
Type 1 Diabetes
Home-based Oral Glucose Tolerance Test for Type 1 Diabetes Screening
This study aims at quantifying the accuracy of a self-administered fingerstick based glucose tolerance test (GTT@Home) respect to the gold-standard in-clinic venous plasma measures during the oral glucose tolerance test (OGTT)…
- Trial name
- NCT07155252
- Testing
- GTT@Home
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Yale University
Gestational Diabetes Mellitus (GDM), Glucose Intolerance During Pregnancy
Early Screening for Gestational Diabetes Mellitus in a Low Risk Population
This new feasibility pilot study aims to refine the design and protocols for a larger trial that will investigate the potential benefits of early oral glucose tolerance test (OGTT) screening in a population traditionally defined…
- Trial name
- EaGeR (NCT06704035)
- Testing
- Early OGTT Results Revealed
- Where
- Singapore
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National University Hospital, Singapore
Pre-Gestational Diabetes, Type2diabetes
A Randomized Controlled Trial of Diabetes Screening Immediately Postpartum (DIP) and Follow Up PP CARE
DIP : To conduct a pragmatic, non-blinded randomized controlled trial (pRCT) of immediate in-patient postpartum OGTT prior to delivery discharge (intervention) versus 4-12 week outpatient postpartum OGTT (current standard care)…
- Conditions
- Pre-Gestational Diabetes, Type2diabetes, Pregnancy in Diabetic, Pregnancy, High Risk
- Trial name
- NCT05909046
- Testing
- Immediate inpatient postpartum OGTT, Standard of care 4-12 week postpartum OGTT
- Where
- United States
- Volunteers
- 104 people
- Sponsor
- Ohio State University
Obesity & Overweight, Gestational Diabetes Mellitus (GDM)
Effect of Probiotics on Insulin Sensitivity in Overweight and Obese Pregnancy
The goal of this clinical trial is to learn if taking a probiotic supplement during pregnancy improves the body's response to insulin (insulin sensitivity) in pregnant women who were overweight or obese before pregnancy (body…
- Conditions
- Obesity & Overweight, Gestational Diabetes Mellitus (GDM), Insulin Resistance, Maternal Obesity Complicating Pregnancy
- Trial name
- NCT07921940
- Testing
- OMNi-BiOTiC® METAtox
- Where
- Austria
- Volunteers
- 40 people
- Sponsor
- Medical University of Vienna
Prediabetes, Obesity & Overweight
Crocus Sativus Tepals Water Extract in Obesity and Prediabetes
The goal of this clinical trial is to determine the acute effects of ingestion of a cold aqueous extract of Crocus sativus tepals on postprandial glycemia and other indicators of metabolic health in patients with obesity and/or…
- Trial name
- ZAFRAN (NCT07261475)
- Testing
- Crocus sativus tepals cold aqueous extract, cold water
- Where
- Slovenia
- Volunteers
- 20 people
- Sponsor
- University of Primorska
Non-Alcoholic Fatty Liver Disease
Effects of TOTUM-448 on Liver Fat Content, Cardiometabolic Risk Factors and Gut Microbiota Among Participants with MASLD
This clinical trial aims to investigate the effects of TOTUM-448, a mix of 5 plant extracts and choline, consumed at the daily regimen of two times per day, on liver fat content, cardiometabolic risk factors and gut microbiota…
- Trial name
- CARDIO-LIVER (NCT06704321)
- Testing
- TOTUM-448
- Where
- Canada
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Valbiotis
Pre-diabetes, Diabetes
OGTT at Home Using CGM vs at the Clinic
This randomized, crossover study evaluates the feasibility and accuracy of a self-administered oral glucose tolerance test (OGTT) at home using continuous glucose monitoring (CGM) compared to a standard clinic-based OGTT.
- Trial name
- OGTT-CGM (NCT06862128)
- Testing
- OGTT at home using CGM, OGTT at the clinic
- Where
- 3 sites in Sweden
- Volunteers
- 70 people
- Sponsor
- Linkoeping University
Hyperlactatemia, Metabolic Syndrome (MetS)
Role of Elevated Lactate Levels on Lipid and Carbohydrate Metabolism.
The purpose of this study is to investigate whether the elevated circulating lactate levels of individuals with metabolic syndrome are responsible for their reduced lipolysis and glucose tolerance.
- Conditions
- Hyperlactatemia, Metabolic Syndrome (MetS), Lipolysis, Exercise
- Trial name
- LACTMET (NCT07426172)
- Testing
- hyperlactacidemia, Saline (0.9%, sterile, for infusion)
- Where
- Spain
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Ricardo Mora
Childhood Obesity
Leipzig Childhood Obesity Study
The aim of this study is to identify polymorphisms that make children and adolescents more prone to obesity and metabolic dysfunction, as well as to identify biomarkers that are linked to causes and consequences of obesity.
- Trial name
- NCT04491344
- Where
- Germany
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- University of Leipzig
Type 1 Diabetes (T1D), Autoantibodies
Standardized Italian netwoRk Enrolling iNdividuals With Islet-Autoantibodies
This project characterizes the longitudinal progression of children and adults who have tested positive for one or more islet cell autoantibodies across the early stages of type 1 diabetes (T1D).
- Conditions
- Type 1 Diabetes (T1D), Autoantibodies, Hyperglycemia, Impaired Glucose Tolerance (Prediabetes)
- Trial name
- SIRENA (NCT07503366)
- Where
- 24 sites in Italy
- Volunteers
- 300 people
- Sponsor
- Società Italiana di Endocrinologia e Diabetologia Pediatrica
Diabetes Mellitus Type 2, Fecal Microbiota Transplantation (FMT)
Fecal Microbiota Transplantation Intervention on Microbiota Composition and Insulin Sensitivity in Diabetes
The purpose of the trial is to investigate the effect of fecal microbiota transplantation versus placebo on glycemic metabolism and gut microbiota composition in people with type 2 diabetes.
- Conditions
- Diabetes Mellitus Type 2, Fecal Microbiota Transplantation (FMT), Oral Glucose Tolerance Test, Continuous Glucose Monitoring
- Trial name
- FeMIC (NCT07375797)
- Testing
- Fecal Microbial Transplantation
- Where
- Denmark
- Volunteers
- 16 people
- Sponsor
- Central Jutland Regional Hospital
Continuous Glucose Monitoring, Oral Glucose Tolerance
Saccharin and Acesulfame Potassium Consumption and Glucose Homeostasis in Older Adults With Prediabetes
Animal and observational research in humans suggest that specific types of non-nutritive sweeteners (NNS) may impair glycemic control.
- Conditions
- Continuous Glucose Monitoring, Oral Glucose Tolerance, Insulin Sensitivity, Inflammatory Markers
- Trial name
- NCT05441982
- Testing
- Non-Nutritive Sweetener Intake and impact on glucose homeostasis
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Virginia Polytechnic Institute and State University
End Stage Kidney Disease (ESKD), Hyperglycaemia
Unmasking Diabetes in Dialysis With Continuous Glucose Monitoring
This study will evaluate whether Continuous Glucose Monitoring (CGM) can identify previously unrecognized diabetes and clinically significant hyperglycemia in adults with end-stage kidney disease (ESKD) receiving hemodialysis who…
- Conditions
- End Stage Kidney Disease (ESKD), Hyperglycaemia, Diabetes
- Trial name
- NCT07880795
- Testing
- Continuous Glucose Monitoring (CGM)
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- Emory University
Diabetes Mellitus, Bariatric Surgery Candidate
Paraoxonase and HDL Qualities in Glycaemia and Inflammation
The incidence of coronary heart disease (CHD) is significant in the super-obese and diabetics. Inflammation is believed to play an important part in the development of CHD, and the large collection of abdominal fat in the obese…
- Trial name
- PON1 (NCT02169518)
- Where
- United Kingdom
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Manchester University NHS Foundation Trust
Non-Diabetic
Screening for Type 2 Diabetes by Oral Glucose Tolerance Test in the Population Groups Not Diagnosed by Fasting Blood Glucose in Guadeloupe
In France, only the fasting blood glucose (FBG) measurement is recommended for diabetes screening. Ethnic heterogeneity and genetic polymorphisms specific to the Afro-Caribbean and Indo-Caribbean population in Guadeloupe justify…
- Trial name
- DIADEG (NCT07233434)
- Testing
- After inclusion, the subjects will have an OGTT performed in the department of Diabetology. If the glucose blood levels remain normal after the OGTT, the test will be repeated after 12 months. A contr
- Where
- Guadeloupe
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de la Guadeloupe
Gestational Diabetes Mellitus (GDM), Pregnancy Complications
Glycemic Markers for Predicting Gestational Diabetes in Pregnant Women With Previous Bariatric Surgery
Gestational diabetes mellitus (GDM) is associated with significant maternal and fetal complications. The standard diagnostic test for GDM is the 75-gram oral glucose tolerance test (OGTT).
- Conditions
- Gestational Diabetes Mellitus (GDM), Pregnancy Complications, History of Bariatric Surgery
- Trial name
- BARI-GDM (NCT07517406)
- Where
- Turkey (Türkiye)
- Volunteers
- 84 people
- Sponsor
- Burak Deniz Aydoğdu
Heathly Volunteers
Role of a Mitochondrial Receptor in Blood Sugar Regulation
The goal of this clinical trial is to learn whether a single dose of XBD173, a medicine that binds to a protein called the 18 kiloDalton Translocator Protein (TSPO), affects how the body processes glucose in healthy volunteers…
- Trial name
- G-TSPO (NCT07682233)
- Testing
- XBD173
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Prediabetes
Effects of Autonomic Nervous System Modulation by Heart Rate Variability Biofeedback Training With Resonant Frequency Breathing on Glucose Metabolism in Individuals With Prediabetes
Approximately 20% of adults have prediabetes in Germany. Prediabetes is defined as a condition with glucose levels outside the normal range but not yet meeting the criteria for type 2 diabetes.
- Trial name
- RwHRVBFinPD (NCT06739993)
- Testing
- Resonance frequency breathing with heart rate variability biofeedback training, Anti-Stress program
- Where
- 2 sites in Germany
- Volunteers
- 60 people
- Sponsor
- Johannes Gutenberg University Mainz
Cystic Fibrosis
Identification of Dysglycemia With Continuous Glucose Monitoring to Assess Clinical Evolution in Cystic Fibrosis
Cystic fibrosis (CF)-related diabetes (CFRD) is the most important emerging complication after pulmonary complications. This specific form of diabetes is associated with an increased morbidity and mortality.
- Trial name
- ProspeC-F (NCT05099939)
- Where
- 4 sites in Canada, France
- Volunteers
- 121 people
- Sponsor
- Institut de Recherches Cliniques de Montreal