View clinical trials related to Insulin Resistance.
Filter by:The primary objective of this pilot study will be to examine the effects of consuming whole grains, differing in the degree of processing, on insulin sensitivity and other cardiometabolic risk factors. The overall aim will be to assess feasibility of the test diets and to generate preliminary data.
Physical activity (PA) is recommended for the treatment of subjects with type 2 diabetes to increase insulin sensitivity and improve metabolic control. However, adherence to PA is often poor, due to a lack of motivation or due to disabling complications or comorbidities. Neuromuscular electrostimulation (NMES) is a physical treatment commonly used to improve muscle strength and volume in several situations: after stroke, after limb trauma or during chest rehabilitation in deconditioned patients. The investigators have already shown in a first pilot study (manuscript in preparation) that NMES improves insulin sensitivity : in the study ELECTRODIAB (No. ID-RCB: 2011-A00930-41), the investigators showed a 25% insulin sensitivity improvement after a week of daily 25-min bi-quadricipital NMES session, in a population of patients with orally-treated type 2 diabetes. Insulin sensitivity increased up to 50% in the most deconditioned subjects. Discrepancy between this result and the very low energy expenditure measured during sessions suggests that the metabolic effect was not solely mediated by muscle contractions. The investigators hypothesize the involvement of neurological pathways. Indeed, it is demonstrated that the autonomic nervous system is an important regulator of glucose metabolism with pancreatic action, a key role in energy metabolism and a complex relationship with insulin resistance. Muscle activity, whether static (isometric) or dynamic causes changes in sympathetic nerve activity in healthy subjects but its effect in type 2 diabetic subjects is not known. The investigators hypothesize that, in type 2 diabetic subjects, the modulation of sympathetic nerve activity by NMES could be involved in the improvement of insulin sensitivity. To address this question, the investigators propose to assess sympathetic nerve activity with the gold standard method of microneurography before and after a single bi-quadricipital NMES session. The impact of neuro-electro-stimulation (NES) (a sensitive stimulation under muscular threshold) and the impact of voluntary isometric muscle contractions (VC) will also be evaluated. These procedures will also be applied in healthy control subjects.
The purpose of this study is to examine important and significant problems, that of insulin resistance and muscle wasting after burn injury.
It has been shown that asymptomatic obese adolescents can demonstrate abnormal regional myocardial contraction, with preserved global cardiac function. Metformin has been shown to decrease cardiovascular mortality in patients with type 2 diabetes and insulin resistance, but the mechanism of cardiovascular protection is unknown. The purpose of this study is to evaluate the reversibility of subclinical cardiovascular abnormalities in obese adolescents with insulin resistance after a six-month course of Metformin. The investigators hypothesized that the beneficial effects of Metformin will be progressive and sustained after six months of therapy.
This study will examine whether hesperidin, a major component of citrus fruits, affects how the body responds to insulin in healthy and obese people. Laboratory studies suggest that hesperidin treatment lowers blood pressure, lowers blood sugar and increases blood flow. This study will see if hesperidin improves insulin resistance or insulin's effects on blood flow in people with insulin resistance. Healthy normal weight or overweight people between 21 and 65 years of age may be eligible for this study. Participants are randomly assigned to take hesperidin or a placebo (inactive dummy pill ) for a 4-week treatment phase.
This study is being done to find out if participants with insulin resistance and hepatitis C virus genotype 1 (HCV GT1) infections who failed dual therapy with peginterferon alfa (PegIFN) + ribavirin (RBV) will benefit from the addition of boceprevir to PegIFN + RBV (triple therapy).
Gastric cancer is still one of the most common malignance in Korea. Because of the popularity of regular check ups, early detection of gastric cancer has increased, consequently, the survival of the patients also has increased. In this reason, the interest of outcomes after gastrectomy for gastric cancer move survival only to quality of life of these patients. Although the definition of metabolic syndrome is various, but it is normally accepted as a state that insulin resistance or glucose intolerance combined with hypertension or hyperlipidemia or obesity. Metabolic syndrome is a worldwide health problem, and the treatment is modification of life style, weight loss and medication. However, in most of the patients metabolic syndrome is considered not curable disease. Recent studies have shown that some bariatric surgery offers not only control the overweight but also metabolic syndrome. The exact mechanism is still unknown but decreased gastric volume and intestinal bypass itself seemed to play an important role to improve metabolic syndrome over just decreased weight. For treating gastric cancer, gastrectomy is essential and the extent of gastrectomy is varied subtotal and total gastrectomy according to the location of tumor. Also, reconstruction type is varied gastroduodenostomy and Roux-en-Y gastrojejunostomy after subtotal gastrectomy, esophagojejunostomy after total gastrectomy. This kind of operation for gastric cancer lead decreased gastric volume and/or intestinal bypass, which means this operation could lead similar effect of bariatric surgery. Already, there have been several retrospective reports that metabolic syndrome or diabetes was improved after gastrectomy for gastric cancer but no prospective study about this subject yet in Korea. The purpose of this study is that evaluating the degree of improvement of metabolic syndrome after gastrectomy for gastric cancer, and analyze the differences between the type of operation.
The results of studies conducted until now does not determine what the best way to treat infertility in the first line with patients with Polycystic ovary syndrome (PCOS). This study objective is to determine the best treatment for such patients. The long-term consequence health of women with PCOS are multiple. The woman with PCOS has a risk of developing metabolic diseases, heart diseases, diabetes Type II or anovulatory infertility. The insulin resistance plays an important role in all this medical condition. Clomiphene Citrate (CC) remains the first line treatment to induce ovulation in women with PCOS and anovulatory infertility.
This is a feasibility study to examine the treatment with Metformin, vitamin D with calcium supplement for insulin resistance in obese, black, female teens. The association of low vitamin D levels and decreased insulin sensitivity has been established. Thus, the specific aims of this study are: Specific aim 1: To examine the effect of an 8-week treatment with vitamin D and calcium supplementations on diabetes-related risk factors in obese, black, female teens. Hypothesis 1a: In obese, black, female teens with both insulin resistance and vitamin D deficiency, treatment with vitamin D and calcium supplementation will significantly improve measures of insulin resistance and sensitivity (as determined by the homeostatic model assessment for insulin resistance and whole body insulin sensitivity index measures) when compared to controls not receiving vitamin D and calcium. Hypothesis 1b: In obese, black teen females with both insulin resistance and vitamin D deficiency, treatment with vitamin D and calcium supplementation will significantly improve measures of cardiovascular disease (decreased BMI and improved triglycerides and LDL) when compared to controls not receiving vitamin D and calcium. Specific aim 2: To determine if the addition of Metformin to the 8-week treatment with vitamin D and calcium supplementations improves diabetes-related risk factors in obese, black, female teens. Hypothesis 2a: In obese, black, female teens with both insulin resistance and vitamin D deficiency, treatment with Metformin, vitamin D, and calcium supplementation will significantly improve measures of insulin resistance and sensitivity (as determined by the homeostatic model assessment for insulin resistance and whole body insulin sensitivity index measures) when compared to standard of care or treatment with vitamin D with calcium supplementation alone while controlling for dietary intake of vitamin D and calcium. Hypothesis 2b: In obese, black, female teens with both insulin resistance and vitamin D deficiency, treatment with Metformin, vitamin D, and calcium supplementation will significantly improve measures of cardiovascular disease risk (as determined by the decreased BMI, improved triglycerides and LDL) when compared to standard of care or treatment with vitamin D with calcium supplementation alone while controlling for dietary intake of vitamin D and calcium.
The purpose of this study is to evaluate the effect of blueberry powder on insulin sensitivity in obese, non-diabetic, and insulin resistant subjects. The investigators hypothesized that supplementation with blueberry powder will result in an increase in insulin sensitivity in obese subjects with insulin resistance.