Oral Endocannabinoids in People With Prediabetes and Diabetes
PreDiabetesDiabetes Mellitus4 moreThis study evaluates the relationship of endocannabinoids in saliva with inflammation and oral dysbacteriosis present in people with periodontal disease and prediabetes/type 2 diabetes
Linagliptin Response to OGTT in Prediabetes and Type 2 Diabetes Mellitus
PreDiabetesType 2 DiabetesThere are studies that suggest glycemic response to incretin-based therapies differs between Asians and Caucasians, whereby Asians have better response compared to Caucasians. Hence, the therapeutic response could also be augmented by difference in incretin system among various ethnicities. This study is carried out to study the effect of dipeptidyl-peptidase IV (DPPIV) inhibitors in prediabetes and T2DM patients who have different levels of GLP-1 and to determine the effect on glycemic profiles, insulin resistance/sensitivity, beta-cell functon.
Effects of Branch Chain Amino Acids on Glucose Tolerance in Obese Pre-Diabetic Subjects
Prediabetic StateBranching chain amino acids (BCAA) have both beneficial and detrimental effects of on metabolism have been established and therefore warrants further investigation. In the preliminary study, the investigators found that BCAAs enhanced glucose metabolism in lean mice while they promoted glucose intolerance in obese mice. In lean mice, BCAAs decreased adiposity and enhanced glucose utilization and insulin sensitivity in different tissues. But in obese mice, BCAAs' effects were mediated by impaired insulin signaling in fat tissue. This study will examine 10 obese subjects with pre-diabetes and examine the effects of taking BCAA supplement and will monitor the subjects blood glucose, insulin, triglyceride levels and will have an oral glucose tolerance test on repeated occasions to see if any changes are noted in their glucose regulation.
The Effect of Oral Carnitine Supplementation on MRS-derived Mitochondrial Function
ElderlyPre-diabeticThis is a longitudinal study supported by Pfizer and is a collaboration between DMPI (Duke Molecular Physiology Institute) and DIAL (Duke Image Acquisition Laboratory) to measure the effects of acute exercise on carnitine and acylcarnitine levels in the muscle and on insulin sensitivity in the plasma. This pilot study seeks to explain why moderate intensity exercise provides more improvements in glucose control for pre-diabetic patients than vigorous intensity. The investigators hypothesize that moderate intensity exercise might be beneficial for elderly individuals who are overweight or obese, specifically by: 1. Reducing damaging excess protein acetylation (measured in muscle biopsy), 2. Improving the acylcarnitine/carnitine ratio (measured by MRS), 3. Improving overall mitochondrial function as reflected in reduced phosphocreatine recovery time (measured by MRS) and 4. Increasing insulin sensitivity as measured by a 4-hour oral glucose tolerance test. Investigators intend to use the results of this study to show feasibility in measuring mitochondrial function at Duke for a larger federal grant submission. Investigators hypothesize that carnitine insufficiency might contribute to mitochondrial dysfunction and obesity-related impairments in glucose tolerance and insulin action.
The Effects of Jerusalem Artichoke and Fermented Soybean Powder Mixture Supplementation on Glucose...
PrediabetesNewly Diagnosed Type 2 DiabetesThe purpose of this randomized, double-blind, placebo-controlled study was to determine whether jerusalem artichoke and fermented soybeans powder mixture is effective in the control of blood glucose level in subjects with prediabetes or newly diagnosed type 2 diabetes.
Effect of Exercise on Insulin Resistance
Prediabetic StateThe purpose of this study is to evaluate the effect of exercise on Insulin Resistance (IR) in subjects who do not routinely exercise and who are at risk of developing diabetes (prediabetes). It is estimated that approximately 30-90 people will participate in this study at three study sites in the United States and United Kingdom.
Early Screening and Treatment of Women With Prediabetes in Pregnancy
DiabetesPregnancyThe investigators hope to learn whether treatment with medical nutrition therapy (MNT) for pregnant women with prediabetes decreases the rate and severity of impaired glucose tolerance later in pregnancy and improves perinatal outcomes. Given the rising rates of obesity and diabetes in this country even among young women and the adverse affects of diabetes of pregnant women and their infants, the investigators feel that it is important to not only identify women at high risk for diabetes early in pregnancy but determine the appropriate management strategy
Role of Rosiglitazone on Pre-Diabetes Mellitus and Coronary Artery Disease
PrediabetesCoronary Artery Disease2 moreObjectives: The investigators examined whether rosiglitazone, a thiazolidinedione (TZD), is beneficial for pre-diabetes mellitus (DM) adults with documented coronary artery disease (CAD). Background: Microvascular and macrovascular complications are common in type 2 DM. There is no evidence about the effects of TZDs, synthetic peroxisome proliferator-activated receptor (PPAR)-γ activators (insulin sensitizers and adipose transcriptional regulation and anti-inflammatory process activators) on pre-DM patients with documented CAD.
Effect of Protein Hydrolysates on HbA1c Levels in Pre-diabetics
PreDiabetesTo evaluate the effectiveness of three different daily doses of plant protein hydrolysates versus placebo, when consumed over a 12-week period, at reducing and maintaining glycated haemoglobin (HbA1c) levels in a pre-diabetic population (otherwise healthy subjects with impaired glucose metabolism). To evaluate the effectiveness of three different daily doses of pea or rice protein hydrolysates versus placebo, when consumed over a 12-week period on: post-prandial glucose/insulin levels (oral glucose tolerance test, fructosamine levels, fasting plasma glucose levels, vital signs, physical examinations, weight and blood pressure.
The Effects of Hesperidin and Flaxseed in Prediabetes
PreDiabetesTo study the effects of Hesperidin and flaxseed supplement in patients with prediabetes, 50 patients will be randomly allocated to control group or 2 capsules Hesperidin and 30 gram flaxseed for 12 weeks; both groups will be advised to adherence the investigators' diet and exercise program too. At the first and the end of the intervention, lipid profiles, blood pressure, blood sugar, inflammatory and anthropometric factors will be assessed and compared between groups.