Health Effects of Liposuction in Overweight Women With Elevated Insulin Levels, Impaired Glucose Tolerance and/or Type 2 Diabetes

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study is for women who have already decided to undergo liposuction at Georgetown University Medical Center in Washington, D.C. To take part in this study, a woman must first meet with the plastic surgeons there, and be accepted by them to have liposuction. This study will investigate whether large volume liposuction improves risk factors for heart disease in overweight women with type 2 (adult onset) diabetes, impaired glucose tolerance, or elevated blood insulin levels. Large volume liposuction is the surgical removal of at least 10 pounds (4.5 kg) of body fat, usually from the abdomen, hips or chest. Risk factors for heart disease include high blood pressure and elevated levels of blood lipids (cholesterol and triglycerides), blood glucose (sugar), and blood insulin. Subjects who participate in all parts of this study will receive a total of $930.00. Overweight women 18 years or older with high blood insulin levels, impaired glucose tolerance, or type 2 diabetes, who are planning to have large volume liposuction performed at Georgetown University Medical Center in Washington, D.C., may be eligible for this study. For a subject to be accepted into this study, she must first meet with the plastic surgeons at Georgetown University Medical Center, and they have to agree to perform large volume liposuction. The decision that someone is suitable for liposuction is not under the control of the NIH or of any NIH investigator. Those enrolled will undergo the following procedures at four separate times - before undergoing liposuction, 4 weeks after surgery, 4 months after surgery and 1 year after surgery: * Body measurements - taken with calipers to measure several skinfold thicknesses (the width of a fat fold) and with a tape measure to measure the circumference of parts of the body. * Urine sample and 6-hour urine collection - to test for pregnancy and to evaluate kidney function. * Glucose tolerance test - measures insulin sensitivity and how the body uses sugar, how well insulin works, and insulin sensitivity. The procedure involves placement of two catheters (thin, flexible tubes) through a needle into a vein in each arm. Sugar water is infused into one catheter and 20 minutes into the test a small amount of insulin is injected. Blood samples are drawn from the other catheter at frequent intervals for a total of 5 hours. * Electrocardiogram (ECG) and echocardiography - measure the heart's electrical activity and function. * Abdominal computerized tomography (CT) scan - produces images for measuring body fat in the abdomen. (not done at the 4-week visit). Takes about half an hour to complete. * DXA X-ray - measures body fat, muscle and bone mineral content. Takes about half an hour to complete. * Bod Pod - capsule-like device used to determine the proportion of body weight composed of fat and non-fat tissue. Takes less than 10 minutes * Bioelectric impedance analysis device - measures the proportions of body fat based on electrical conduction of a small electric current. Takes 2-3 minutes. * 24-hour blood pressure monitoring - a device attached to a blood pressure cuff strapped to the arm measures blood pressure every 15 to 30 minutes continuously for 24 hours. * Vascular reactivity tests - a blood pressure cuff is inflated for about 4 minutes before deflating, providing information on the function of the small blood vessels in the skin, as well as an idea of the function level of small blood vessels elsewhere in the body. Takes half an hour. * Blood samples - collected to evaluate kidney and liver function and to measure body lipids, such as cholesterol, minerals, and other substances.

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Last update posted Mar 3, 2008 · Synced Sep 3, 2026

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