Clinical trials: Oral Glucose Tolerance
Healthy
Single Dose Study Of PF-04171327 And Prednisone On Carbohydrate Metabolism
This study will investigate the effect of a single dose of PF-04171327 or prednisone on calculated measures of glucose tolerance and insulin resistance by using a modified oral glucose tolerance test
- Trial name
- NCT01199900
- Testing
- PF-04171327, Prednisone
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Pfizer
Diabetes Mellitus, Type 2
Effects of Alogliptin on Pancreatic Beta Cell Function
It is reported that pancreatic beta cell function is already declined at pre-diabetic stage, impaired glucose tolerance (IGT). It has not been clarified whether inhibitors of the dipeptidyl peptidase IV enzyme (DPP-IV inhibitors)…
- Trial name
- NCT01303055
- Testing
- Alogliptin, Metformin 750 mg
- Where
- 4 sites in Japan
- Volunteers
- 80 people
- Sponsor
- Aichi Gakuin University
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
Impaired Glucose Tolerance, Abdominal Obesity
Pilot Study With GFT505 (80mg) in Patients Presenting With Impaired Glucose Tolerance and Abdominal Obesity.
The purpose of this study is to evaluate the efficacy of GFT505 80mg compared with placebo in improving Oral Glucose Tolerance Test (OGTT), in patients with impaired glucose tolerance and abdominal obesity, and to assess the…
- Trial name
- NCT01275469
- Testing
- GFT505 80mg
- Where
- 20 sites in France
- Volunteers
- 47 people
- Sponsor
- Genfit
Type 1 Diabetes (T1D), Type 2 Diabetes
Capillary OGTT Study
Type 1 diabetes (T1D) is a chronic condition, affecting 1 in 490 children under the age of 15 years. It is caused by the immune system damaging the pancreas, the organ which makes insulin.
- Trial name
- CapOGTT (NCT06815081)
- Where
- 4 sites in United Kingdom
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Insulin Resistance
Effect of Vitamin D Supplementation on Oral Glucose Tolerance Among Obese Adolescents
Childhood obesity is a rapidly growing epidemic in the US and the world. Current estimates suggest that 30% of our nation's children are either overweight ot obese.
- Trial name
- NCT01856946
- Testing
- 4,000 IU vitamin D3
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Healthy
Metabolic Effects of Honey or Fructose:Glucose Mixtures
The metabolic effects of 7-day weight-maintenance diets containing 10% total energy as acacia honey or a fructose:glucose mixture will be assessed in a group of healthy male volunteers.
- Trial name
- HONEY (NCT02747446)
- Testing
- added sugar
- Where
- Switzerland
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Luc Tappy, MD
Type 2 Diabetes
Short-Term Intensive Insulin Therapy Induction of Long-term Glycemic Control
We designed this prospective, randomized control study to compare the benefits between the insulin therapy and OADs after correction of the glucose toxicity with a short period of intensive insulin therapy.
- Trial name
- NCT00506194
- Testing
- Insulin, OAD
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- Taipei Veterans General Hospital, Taiwan
Chronic Pancreatitis, Pancreatogenic Type 3C Diabetes Mellitus
Evaluation of OGTT in Patients With Post-pancreatitis Diabetes Mellitus for Diagnosis and Characterization
To evaluate the islet function and insulin secretion pattern of post-pancreatitis diabetes mellitus by oral glucose tolerance testing, and to explore the pathophysiological characteristics of PPDM-C which provide evidence for the…
- Conditions
- Chronic Pancreatitis, Pancreatogenic Type 3C Diabetes Mellitus, Diabetes Mellitus, Oral Glucose Tolerance Test
- Trial name
- NCT05989867
- Testing
- blood test, Continuous Glucose Monitor
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Changhai Hospital
Type 2 Diabetes Mellitus
A Study to Investigate the Glucose Lowering Effects of Dextromethorphan Alone or in Combination With Sitagliptin in Subjects With Type 2 Diabetes Mellitus (T2DM) After an Oral Glucose Tolerance Test
The study has a randomized, double-blind, placebo-controlled, double dummy and eight-way cross-over design. Males with T2DM on a stable metformin monotherapy will be screened for participation in the study.
- Trial name
- DXM2 (NCT01936025)
- Testing
- Dextromethorphan, Sitagliptin
- Where
- Germany
- Volunteers
- 34 people
- Sponsor
- Profil Institut für Stoffwechselforschung GmbH
Oral Glucose Tolerance
The Effects of Aspartame on Appetite, Body Composition and Oral Glucose Tolerance
Assess the impact of chronic use of aspartame on glycemia, appetite and body composition.
- Trial name
- NCT02999321
- Testing
- aspartame, water
- Where
- United States
- Volunteers
- 93 people, healthy volunteers welcome
- Sponsor
- Purdue University
Renal Transplantation
Prediction of NODAT After Renal Transplantation
A statistical analysis of the predictive value of OGTT and FPG testing executed as part of standard clinical practice after renal transplantation for the diagosis of new-onset diabetes mellitus after transplantation.
- Trial name
- NCT00442988
- Where
- Belgium
- Volunteers
- 360 people
- Sponsor
- KU Leuven
Diabetes Mellitus, Type 1
Pre-POINT-Early Study
Type 1 diabetes (T1D) results from an autoimmune destruction of the insulin-producing beta cells within the pancreatic islets of Langerhans.
- Trial name
- NCT02547519
- Testing
- Oral Insulin
- Where
- Germany
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Prediabetes
Blood Sugar Take Care and Glucose Metabolism
This prospective international clinical trial is a two-arm, double-blind, randomized, placebo-controlled, parallel-group, multicenter study. 112 prediabetic subjects will be randomized to Blood Sugar Take Care or placebo.
- Trial name
- NCT01554020
- Testing
- Blood Sugar Take Care
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- NewChapter, Inc.
Healthy Population, Glucose Tolerance
Effects of Low/No Calorie Sweeteners on Glucose Tolerance
This study aims to determine the effects of chronic exposure to some low/no calorie sweeteners (LNCS) on glucose tolerance and glucagon like peptide 1 (GLP-1) release in healthy individuals.
- Trial name
- NCT04904133
- Testing
- Low/No Calorie Sweeteners
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Acibadem University
Idiopathic Ketotic Hypoglycemia
A Glucometabolic Evaluation of Patients With Idiopathic Ketotic Hypoglycemia
The project will evaluate 1) the postprandial metabolism and 2) continuous glucose levels in subjects diagnosed with Idiopathic Ketotic Hypoglycemia (IKH)) and healthy control subjects.
- Trial name
- IKH_MetEx (NCT05310292)
- Testing
- Oral glucose tolerance test, Mixed meal test
- Where
- Denmark
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Gentofte, Copenhagen
PreDiabetes, Glucose Tolerance Impaired
A Study to Evaluate Efficacy and Safety of Distal Jejunal-release Dextrose Beads Formulation in Subjects With a Pathological Oral Glucose Tolerance Test
The primary purpose of the study is to evaluate the efficacy and safety of APHD-012 (distal jejunal-release dextrose [Aphaia technology, AT]) in participants with pre-diabetes (pathological Oral Glucose Tolerance Test (OGTT)).
- Trial name
- NCT05803772
- Testing
- APHD-012, APH-012P
- Where
- 3 sites in Slovakia
- Volunteers
- 31 people
- Sponsor
- Aphaia Pharma US LLC
Prediabetes, Hypertension
Fasting Predictors of OGTT and MMTT Response
1. To develop a database containing matched information from dynamic tests of postprandial glycemic control (OGTT or MMTT), results of a broad panel of fasting biomarkers, and clinical information related to diabetes risk obtain…
- Conditions
- Prediabetes, Hypertension, Obesity, Cardiovascular Disease
- Trial name
- NCT01998867
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Health Diagnostic Laboratory, Inc.
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
Continuous Glucose Monitoring, Oral Glucose Tolerance
Non-Nutritive Sweetener 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
- NCT05337098
- Testing
- Non-Nutritive Sweetener Intake and impact on glucose homeostasis
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- Virginia Polytechnic Institute and State University