View clinical trials related to Type 2 Diabetes.
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The GRADE Study is a pragmatic, unmasked clinical trial that will compare commonly used diabetes medications, when combined with metformin, on glycemia-lowering effectiveness and patient-centered outcomes.
This study plans to learn more about the effects of type 2 diabetes (T2DM) on exercise blood flow and muscle oxygen uptake. This study will evaluate & compare exercise function during single leg plantar flexion exercise in a total of 45 subjects from the Denver area (15 lean controls, 15 people with T2DM, and 15 overweight control subjects). Differences between the exercise responses in people with T2DM and healthy people will help further identify the disease process of T2DM and direct future research of treatments and interventions.
Obese patients have an increased risk for developing severe metabolic disorders. This risk can only partly be reduced by weight reduction. The investigators have in a pilot study investigated if removal of abdominal fat (visceral) in addition to weight loss has additional beneficial effects on the metabolic profile and weight loss. This study aims to further investigate if removal of abdominal fat (major omentum) leads to beneficial metabolic effects.
White adipose tissue-related diseases spread from excess (obesity) to lack (lipoatrophies) through aberrant distribution (lipodystrophies), these 3 different disorders being paradoxically able to induce a metabolic insulin resistance syndrome. The respective part of quantitative and qualitative anomalies of adipose tissue, gluco- and lipo-toxicity, liver and muscle insulin resistance, low-grade fat inflammation and immune alterations are not perfectly understood in the metabolic syndrome yet. Therefore, the aim of this study is to assess different cytokines, especially interleukin 7, and metabolic parameters as well as fat mass distribution with DEXA and RMN, in different models of fat distribution, including normal-weight, obese and lipodystrophic patients. A plasma serum, gene and adipose tissue bank will be constituted at the same time to improve our knowledge in disorders linking fat mass, insulin resistance and immunity, especially in lipodystrophies, a rare monogenic model of insulin resistance.
It is known that obesity and/or physical inactivity greatly increase a person's risk of developing heart disease and other serious health problems. This is partly because diabetes is associated with inflammation, oxidative stress, and insulin resistance. Diabetes is also associated with high levels of triglycerides in the blood and tissues such as the liver (known as fatty liver or steatosis). This elevation of fat in the liver is known to cause liver insulin resistance and impair the function of the liver and this impairment contributes to the development of diabetes. Studies have shown that both aerobic exercise and weight loss have beneficial results on insulin resistance. However, the cause of this benefit remains unclear. We know that both aerobic exercise and/or weight loss can improve how muscle responds to insulin. However, it is also known that aerobic exercise and/or weight loss lowers liver fat content, thereby making it possible that the liver's response to insulin is also improved by weight loss and/or exercise training. An improved responsiveness of the liver to insulin could lower blood sugar levels after a meal and it could also lower morning blood sugar levels. However, very little is known about how exercise and/or weight loss improves liver function in people with type 2 diabetes. Hypothesis 1: Improved hepatic insulin sensitivity, as a result of exercise training will increase the amount of glucose from an oral load that is taken up by the liver in subjects with DM. Hypothesis 2: Increases in hepatic insulin sensitivity as a result of exercise will cause reductions in EGP during the fasted state, and will improve the suppression of EGP seen in response to hyperinsulinemia.
The RISE Pediatric Medication Study is a 2-arm, 4-center, clinical trial of children with prediabetes and early type 2 diabetes to address the hypothesis that aggressive glucose lowering will lead to recovery of beta-cell function that will be sustained after withdrawal of treatment. Pediatric participants (ages 10-19) will be randomized to one of the following treatment regimens: (1) metformin alone or (2) early intensive treatment with basal insulin glargine followed by metformin. The primary clinical question RISE will address is: Are improvements in ß-cell function following 12 months of active treatment maintained for 3 months following the withdrawal of therapy? Secondary outcomes will assess durability of glucose tolerance following withdrawal of therapy, and whether biomarkers obtained in the fasting state predict parameters of ß-cell function, insulin sensitivity and glucose tolerance and the response to an intervention.
The RISE Adult Medication Study is a 4-arm, 3-center, clinical trial of adults with prediabetes and early type 2 diabetes to address the hypothesis that aggressive glucose lowering will lead to recovery of beta-cell function that will be sustained after withdrawal of treatment. Adult participants (ages 20-65) will be randomized to one of the following treatment regimens: (1) blinded placebo, (2) blinded metformin alone, (3) early intensive insulin treatment with basal insulin glargine followed by open-label metformin, (4) the glucagon-like peptide-1 receptor agonist (GLP-1RA) liraglutide plus open-label metformin. The primary clinical question RISE will address is: Are improvements in ß-cell function following 12 months of active treatment maintained for 3 months following the withdrawal of therapy? Secondary outcomes will assess durability of glucose tolerance following withdrawal of therapy, and whether biomarkers obtained in the fasting state predict parameters of ß-cell function, insulin sensitivity and glucose tolerance and the response to an intervention.
Glycaemia, insulin secretion and action in morbidly obes subjects with type 2 diabetes after sleeve gastrectomy ond Roux-en-Y gastric bypass: A randomised single centre study.
The Health Influences of Puberty (HIP) Study is designed to explore the relationships between puberty and the onset of type 2 diabetes in adolescents. The results of this study will help us better understand how to prevent type 2 diabetes in these youth. Children go through many changes during puberty, including important hormonal and behavioral alterations. Among these changes, it has long been known that, during puberty, insulin does not work as well as it does before and after puberty. This is called physiologic insulin resistance. In healthy children, this does not cause diabetes or affect blood sugar in any way because the body is able to compensate by making more insulin. Indeed, this is thought to be an important part of the adolescent growth spurt. However, in some children with increased risk for developing type 2 diabetes due to obesity and genetics, the worsening insulin resistance of puberty cannot be compensated for and these youth get diabetes early. The investigators believe this is because type 2 diabetes is rarely, if ever, seen before puberty begins, and the peak of diabetes onset in adolescents occurs at the time of the worst insulin resistance. This specific research project has two goals: 1. To examine effects of obesity on how well the body's insulin works during puberty, and 2. To see if treatment of obese children during this critical period of puberty with a medication that improves insulin resistance (metformin) will help prevent early onset type 2 diabetes.