GLP-1 Response in Women With PCOS and Prediabetes
Incretin Hormones in PCOS With PrediabetesWomen with PCOS are more prone to obesity which exacerbates insulin resistance, the abdominal fat disposition and metabolic risk of these patients. With development of obesity these women have high conversion rate from normal glucose tolerance to impaired glucose tolerance and in turn to type 2 diabetes. Glucagon-like peptide 1 (GLP-1) is involved in body weight maintenance. Beside energy balance it is also involved in glucose homeostasis. Functional deficit in GLP-1 facilitates obesity. We investigated the link between the concentration of incretin hormones and glucose homeostasis, metabolic complications and the distribution of body composition in obese women with PCOS.
A Low Glycemic Index Diet for Prevention of Glucose Intolerance During Bed Rest
Glucose IntoleranceRecovery from surgery, injury or illness might require periods of bed rest in-hospital or at home. Bed rest may be needed for recovery but also has negative consequences. Prolonged bed rest reduces the ability of muscle to take up sugar from the blood, and increases blood levels of sugar and fat which may actually delay recovery. Bone starts breaking down when there is very little skeletal stimulation or 'stress' that typically occurs with walking. Bed rest stiffens arteries which may increase blood pressure. Different diets may influence the extent of harmful effects to muscle, bone and arteries during bed rest. This study compares a diet with increased plant sources (i.e. lentils, chickpeas, beans and peas) to a typical hospital diet (mostly animal sources and foods high in refined sugar) on blood, arteries, muscle and bone during bed rest. The investigators will test six healthy adults before, during and after two periods of 4-day bed rest, one when they eat a typical hospital diet, one with a diet containing more plant sources. The investigators will learn more about the effects of diet during bed rest and be able to make recommendations about diets to help ensure healthy recovery for individuals requiring bed rest.
The Use of CGMS to Detect Alterations of Blood Glucose in Thalassemic Patients
DiabetesPrediabetes1 moreThe aim of the study is to: Assess the pattern of glucose homeostasis in patients with B thalassemia . To detect early impairment in glucose metabolism and prediabetic state in B thalassemia patients using continuous glucose monitoring system. To study the prevalence and type of DM in B thalassemia patients. A comparative study of standard insulin therapy compared to insulin pump therapy in thalassemic diabetic patients will be done. The study will include screening of 200 children and adolescents who are regularly attending the Hematology Oncology Clinic and fulfilling the inclusion criteria for abnormalities of glucose homeostasis. A pilot study will be done on 15 patients with abnormal glucose tolerance which will include: A-Continuous glucose monitoring system (CGMS) : A glucometer will be given to each patient and will be asked to measure blood glucose before meals and snacks and record the valus in the CGMS for better calibration . B-Therapeutic intervention: Thalassemia patients who proved to have diabetes according to the ADA criteria will be subjected to • Insulin pump will be tried in each diabetic thalassemic patient versus conventional insulin therapy.
Mobile-based Lifestyle Intervention in Women With Glucose Intolerance After Gestational Diabetes...
Gestational DiabetesType 2 Diabetes Mellitus2 moreAlthough lifestyle modification programs have been shown to be effective in preventing diabetes in older populations, interventions in women with recent gestational diabetes (GDM) clearly need to be adapted to address their unique barriers to behavior change in order to optimize adherence. The low participating rates in many studies using individual or group sessions, reflect how difficult it is to engage women in the first years postpartum. Since women with glucose intolerance (prediabetes) have the highest risk to develop type 2 diabetes (T2DM), we designed the MELINDA pilot study, a randomized controlled trial with 1 year of follow-up to evaluate the efficacy and feasibility of a telephone -and mobile (app) based lifestyle coaching intervention in women with glucose intolerance after a recent history of GDM to promote a healthy lifestyle.
Sitagliptin Improved Beta Cell Function and Prevented a Conversion Rate to Impaired Glucose Tolerance...
PCOSMetformin is the first-line therapy for PCOS with high metabolic risk, yet a large proportion of patients cannot tolerate it due to associated gastrointestinal adverse events. The alternative pharmacological strategy when metformin cannot be tolerated is not well established in this population. Our aim was to evaluate whether sitagliptin (SITA) preserves metabolic profile in metformin (MET) intolerant PCOS with high metabolic risk.
Monitoring of Postprandial Glycemic Variability in Healthy Young Infants
Infant ConditionsGlucose IntoleranceTo measure and quantify the postprandial glucose variations in response to a meal in the healthy 6-12 months old child and correlate this response with the composition of this meal.
15-minute Individual Consultation to Improve Blood Glucose Control in Pre-diabetes
Pre-DiabetesThis research will assess the feasibility of conducting a randomised control trial to evaluate the effectiveness of a 15-minute one-to-one consultation to improve blood glucose control in pre-diabetes. The consultation will take the form of a 15-minute one-to-one consultation between a health-care practitioner and the patient in a primary care setting. Patients with a glycated haemoglobin (HbA1c) of between 42 and 47 mmol·mol-1 will be identified in general practise and will be eligible to participate. They will attend testing sessions at baseline (before the consultation), and at three months and six months post consultation. Body mass index (BMI), waist and hip girth, blood pressure and body composition will be recorded and blood analysed for HbA1c, cholesterol and dietary components. For a three-week period following each visit, urine will be collected, a 5-ml sample on nine occasions, and physical activity will be recorded in a sub group of participants. Urine will be analysed by flow infusion electrospray mass spectrometry (FIE-MS) to determine the metabolic content, providing an indication of the diet over the three-week sampling period. The research objectives are to assess the effectiveness of recruitment strategy and willingness of patients to engage in, and adhere to, the research process; to determine the impact of consultation on health outcome measures, including HbA1c, and to establish participant and practitioner perspectives of the consultation.
Effect of Linagliptin + Metformin on Patients Who do Not Achieve Normoglucemia With Metformine
Prediabetic StateImpaired Glucose Tolerance1 moreThe goal of this protocol is to evaluate the effect of addhing linagliptin to patients with prediabetes who do not reverse to normoglycemia after 12 months of treatment with metformin alone. The duration of the study will be 6 months, and it is primarily a efficacy study. Main outcomes will be glucose levels during OGTT, insulin secretion and pancreatic beta cell function measured by the disposition index derived from the OGTT.
Twins Nutrition Study (TwiNS): Vegan vs. Omnivore
Lipid MetabolismGlucose Intolerance5 moreThis study is designed to investigate the health impact of a vegan diet compared to a usual, omnivorous diet. The investigators plan to study these diets in twins, where one twin follows a vegan diet and the other twin follows an omnivorous diet, thus the investigators control for genetic differences that might impact the effect of the diet.
Black Bean (Phaseolus Vulgaris L.) Protein Hydrolysates Reduce Acute Postprandial Glucose Levels...
PreDiabetesThis work aimed to evaluate the acute effect of a black bean protein hydrolysate (BPH) on glucose levels in adults with normal glucose tolerance (NGT) and prediabetes. Twenty peptides were identified in BPH, and a followed in silico predictive digestion showed a release of several short-chain peptides with potential hypoglycemic potential. A double-blind, placebo-controlled, randomized clinical trial was conducted on 28 adults with NGT or prediabetes. After consent, participants were randomized into two groups, placebo or the corresponding 5 g BPH treatment. An oral glucose tolerance test (OGTT) (75 g glucose) was used to measure glucose tolerance before treatment. A second OGTT was used to evaluate the acute effect of the BPH, and blood samples were collected at 0, 60, 120, and 150 min, and blood glucose levels were measured.