Active clinical trials for "Insulin Resistance"

Approximately 1/4 of the US population has insulin resistance and the associated risk factors such as elevated lipid levels -triglycerides (type of fat from what we eat and what the liver produces and low HDL cholesterol which is the good cholesterol helping to protect against heart disease. Currently one known treatment for this a medication called fenofibrate, another medication that can improve insulin resistance is rosiglitazone, a third treatment known to improve insulin resistance an decrease triglycerides is weight loss. In this study insulin resistant individuals with elevated triglycerides and or a ratio of triglycerides to HDL cholesterol of 3:1 or greater will be randomized (selected by chance) to receive one of these treatments and results of insulin sensitivity and cardiac risk profiles will be compared at the end of the study.

To explore the efficacy of triflusal in the attenuation of insulin resistance in human obesity. Triflusal is a salicylate compound approved in several countries as antithrombotic agent (antiplatelet). The hypothesis is to explore if there is a reduction of obesity-induced insulin resistance by triflusal.

This study will include subjects with an abnormal glucose tolerance test. Using a crossover design, we will evaluate the insulin sensitivity and intracellular lipid content of the heart, liver and skeletal muscle of subjects before and after therapy with Rosiglitazone and placebo. We hypothesize that Rosiglitazone will improve insulin sensitivity in association with reduced muscle lipid content that may arise either from increased lipid oxidation or enhanced storage of fat in adipose tissue.

A study of 12 weeks' treatment with losartan or placebo, to test the hypothesis that RAS inhibition will improve insulin' vascular actions and therefore improve insulin sensitivity in skeletal muscle.

This pilot study will evaluate the safety and effectiveness of leptin therapy in two children with severe insulin resistance syndrome. Patients with this condition often have high blood sugar levels and may have hormone imbalances, a constant feeling of warmth, fertility problems, large appetite, and enlarged liver due to fat accumulation. Leptin is a hormone produced by fat cells. It influences appetite, affects levels of reproductive hormones, and possibly manages how the body reacts to insufficient food. Certain people with severe insulin resistance syndromes have decreased amounts of fat tissue and make little or no leptin. A 13-year-old male and an 11-year-old female with severe insulin resistance will participate in this study. They will have the following tests and procedures before beginning 4 months of leptin therapy: Insulin tolerance test - measures blood sugar levels after intravenous (IV) administration of insulin. Blood samples are collected through the IV tube at various intervals during the 1-hour test. Ultrasound of the liver and, if abnormalities are found, possibly liver biopsies. Fasting blood tests - to measure blood count, blood lipids, and various hormones and assess liver function. Resting metabolic rate - to measure the amount of oxygen breathed at rest in order to calculate how many calories are required to maintain resting body functions. Magnetic resonance imaging of the liver and other organs, and of muscle and fat. Pelvic ultrasound in female patient - to detect ovarian cysts. Estimation of body fat - measurements of height, weight, waist, hip size, and skin folds over the arms and abdomen to estimate body fat content. Oral glucose tolerance test - measures blood sugar and insulin levels. The patient drinks a very sweet drink containing glucose (sugar), after which blood samples are collected through an IV tube in an arm vein at various intervals during the 3-hour test. Intravenous glucose tolerance test - measures tissue response to insulin and glucose after glucose injection and insulin infusion. Blood is collected over 3 hours to measure insulin and glucose levels. Appetite level and food intake - to measure hunger level and caloric intake. Patients are questioned about their hunger level, given a variety of foods they may choose to eat and questioned again at various intervals about hunger level. On another day, patients are given breakfast (usually a milkshake) and when they want to eat again, the appetite level and caloric intake study is repeated. Hormone function tests - the function of three hormones influenced by leptin (corticotropin-releasing hormone, thyrotropin-releasing hormone and luteinizing hormone-releasing hormone) are assessed. The hormones are injected intravenously and then blood samples are drawn. Questionnaire - patients complete a questionnaire about their activities and how they feel. 24-hour urine collections - to measure specific hormones, proteins and sugars excreted in the urine. When the above tests are completed, leptin therapy will start. The drug is injected under the skin twice a day for 4 months. Patients will record their symptoms weekly throughout the study. Those with diabetes will measure their blood glucose levels daily before each meal and at bedtime. Follow-up visits at 1, 2 and 4 months after therapy will include a physical examination, blood tests and a meeting with a dietitian. At the 4-month visit, the tests done at the beginning of the study will be repeated.

We designed a study to determine if ovarian volume (OV) and/or follicle number (FN) are independently associated with abnormal metabolic findings in women diagnosed with PCOS. We hypothesized that ovarian morphology but not follicle number would be associated with a significantly higher odds of hyperinsulinemia among women with PCOS.

To examine how a low glycemic index diet (LGID) changes biochemical parameters, body measurements, coronavirus disease (COVID-19) Phobia (C19P) and body image perception in obese individuals with insulin resistance. Obesity groups with insulin resistance who received a control diet (CD) and a LGID will be compared with each other in terms of biochemical parameters, body image perception, C19P and body measurements. In addition, each group will be compared with the start and end measurements over the same values.

The purpose of this study is to investigate the effect of whole body vibration on insulin resistance in females with polycystic ovarian syndrome

This randomised controlled trial will determine if exercise (150 - 200 min per week, 6 weeks) can beneficially modify liver fat quality in non alcohol fatty liver disease patients with type 2 diabetes mellitus (n = 26, 13 per group). Liver fat quality will be assessed via magnetic resonance (3T) spectroscopy (1H-MRS) using validated methods.

In a previous study by Dr. Calkin, the principal investigator of this study, persons with bipolar disorder and either type II diabetes or insulin resistance were found to experience more severe symptoms of bipolar illness and a lower response to treatment, compared to persons with bipolar disorder who did not have type II diabetes or insulin resistance. To further explore these findings, the investigators have developed this study to see if treating insulin resistance (using metformin, a drug used to improve the body's use of insulin) may also help improve the symptoms of bipolar illness.