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Weight Loss clinical trials

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NCT ID: NCT00938808 Completed - Obesity Clinical Trials

Long-term Intervention With Weight Loss in Patients With Concomitant Obesity and Knee Osteoarthritis. The LIGHT Study

LIGH T
Start date: June 2009
Phase: N/A
Study type: Interventional

Obesity and osteoarthritis (OA) co-exist in an increasing part of the population. The two diseases intertwine in several ways. The evolution in the population shows a tendency towards deterioration of both by increasing general age and weight. The two diseases share pathogenetic features and the development of one disease increases the risk of the other and may be the onset of a vicious circle. There is a link between treatments of these two diseases as well. There is now solid (gold) evidence that by treating effectively the obesity of patients with co-occurring OA, the functional status is dramatically ameliorated; the short-term results are equal to that of a joint replacement. The long-term efficacy of a weight loss remains to be shown. OA is definitely one of many diseases in which obesity must be taken seriously into account when planning a correct treatment of patients. This trial is an extension of the former CAROT trial NCT00655941. The participants of this trial are recruited for a prolongation of the dietary intervention consisting of a group therapy with low-energy diet in a randomized, two group (each n = 75 patients) study of maintenance of weight loss by continuing with supplementary either 3 x 5 weeks dietary supplements only or once-daily supplement. The hypothesis is that maintenance of the already induced weight loss is most efficiently ensured by the once-daily program.

NCT ID: NCT00907660 Completed - Obesity Clinical Trials

A Randomized Trial Comparing Two Doses of Portion-Controlled Foods Within a Primary Care Weight Loss Program

PCPCWLS
Start date: May 2009
Phase: Phase 2/Phase 3
Study type: Interventional

We hypothesize that individuals provided with 1 meal per day of portion-controlled foods (shakes and prepared entrees) will lose as much weight as individuals provided with 2 meals per day of portion-controlled foods. The study is designed to assess whether equal weight loss can be achieved at a lower cost to the health care system (or health care payer), with patients contributing some of the cost of their own treatment.

NCT ID: NCT00893646 Completed - Abdominal Obesity Clinical Trials

Effects of Weight Reduction on Sleep and Alertness in Long-distance Truck and Bus Drivers

SF-Truck
Start date: May 2009
Phase: N/A
Study type: Interventional

The study is a year-long health-behaviour intervention in obese, male truck-drivers to lose weight moderately by 10%, using monthly individual counseling. The investigators hypothesize that lifestyle modification (increased physical activity, changes in eating habits, and improved schedule for sleep) through weight loss improves daytime alertness and quality of sleep, reduces daytime sleepiness, and improves cardiovascular risk factors and health-related fitness.

NCT ID: NCT00884871 Completed - Clinical trials for Pelvic Floor Disorders

Study of Surgically-Induced Weight Loss on Pelvic Floor Disorders

Start date: September 2007
Phase: N/A
Study type: Observational

The specific aim of this study is to evaluate the effect of surgically-induced weight reduction, as achieved by laparoscopic gastric banding or sleeve gastrectomy, on pelvic floor disorders such as stress urinary incontinence, overactive bladder, anal incontinence, and pelvic organ prolapse in severely, morbidly and super-obese women using a prospective, observational study design.

NCT ID: NCT00884195 Completed - Obesity Clinical Trials

Journaling and Weight Loss

Start date: January 2009
Phase: Phase 1
Study type: Interventional

This is a pilot study to evaluate the effect of keeping a 'gratitude journal' on the outcome of a weight loss program. All the subjects will be enrolled in the Lifesteps weight management program. The experimental group will maintain a gratitude journal and the control group will maintain a 'neutral' journal.

NCT ID: NCT00871676 Completed - Obesity Clinical Trials

Use of Chewing Gum to Facilitate Appetite Control and Weight Loss

Start date: May 2006
Phase: N/A
Study type: Interventional

This purpose of this study was to test the use of chewing gum as an adjunct to lifestyle modification to facilitate appetite control and weight loss in overweight and obese individuals.

NCT ID: NCT00870259 Completed - Obesity Clinical Trials

Investigating Physiological Adaptations to Weight Loss

Start date: February 2008
Phase: N/A
Study type: Interventional

The purpose of this study is to examine the effect of diet-induced weight loss on the levels of circulating nutrients and hormones which are involved in feelings of hunger and satiety.

NCT ID: NCT00868387 Completed - Obesity Clinical Trials

Macronutrient Relations and Weight Loss in Obese Subjects

Start date: November 2005
Phase: N/A
Study type: Interventional

The burden of overweight and obesity has dramatically increased during the last decades. High carbohydrate intake, particularly refined carbohydrates, probably increase the risk of obesity, type 2 diabetes, and metabolic syndrome. There is evidence that energy-restricted low-carbohydrate diets show greater weight loss and better improvement of cardiovascular risk markers compared to energy-restricted low-fat diets. Beside macronutrient relations, efficacy of weight loss programs depends on care and control. The investigators aim to investigate whether or not a carbohydrate-restricted telemedically guided weight loss program results in a more pronounced weight loss and influences metabolic risk markers more beneficial than a fat-restricted diet.

NCT ID: NCT00858312 Completed - Clinical trials for Overweight and Obesity

Dairy Foods and Weight Loss

Start date: October 2006
Phase: N/A
Study type: Interventional

Obesity is a national epidemic with multiple causes and complex solutions. Research in both animals and humans has suggested that the inclusion of dairy foods into a moderate calorie restricted diet can increase weight loss and fat loss. Our proposed project extends these prior findings by determining, for the first time, how inclusion of dairy in a calorie-restricted diet changes the amount of visceral adiposity in overweight and obese subjects. The investigators also propose unique studies to evaluate the potential mechanism(s) by which dairy promotes weight and fat loss during dieting, through an examination of adipocyte size, gene expression, and inflammatory markers. The hypotheses under investigation are (1) that inclusion of dairy foods in a modest energy restricted diet will significantly increase body fat loss compared to a control diet; (2) that dairy products in a modest energy restricted diet will result in greater fat loss from intra-abdominal adipose tissue compared to the control, 3) components of dairy products up- or down-regulate the secretion of metabolically-relevant hormones during the postprandial and inter-meal periods, 4) dairy products will promote satiety and/or satiation, 5) dairy foods reduce adipocyte differentiation and/or enhance adipocyte apoptosis, leading to concomitant white adipose tissue (WAT) expression changes for genes playing a role in these processes, 6) dairy foods will reduce adipocyte lipid storage and enhance pathways associated with thermogenesis and mitochondrial function in WAT, as reflected in gene expression changes and reduced adipocyte size, and 7) dairy foods included in a modest energy restricted diet will decrease inflammation in WAT and other tissues, thus decreasing circulating cytokines, increasing zinc status, decreasing expression of inflammatory markers in WAT, and reducing WAT macrophage infiltration.

NCT ID: NCT00858221 Completed - Obesity Clinical Trials

Association of Genes to Resistance to Weight Loss in Obese Patients

Start date: August 2008
Phase: N/A
Study type: Observational

The overall goal of this study is to determine whether variations in the perilipin, and several other, genes would be a useful tool for physicians who are caring for morbidly obese patients to guide therapy. The main hypotheses to be tested is that sequence variations (polymorphisms) in the perilipin gene and several other obesity-related genes are associated with resistance to weight loss for obese individuals on energy restricted diets, potentially playing a role in the development of obesity related complications.