
Self-Efficacy in Weight Loss Treatment
OverweightObesityThis randomized clinical trial of weight loss treatment will examine if adding personalized, one-on-one treatment session to standard behavioral group treatment will result in greater weight loss, less weight regain after weight loss, and better adherence to the treatment protocol. Everyone who enrolls in the study will receive information on healthy eating, how to increase their physical activity and develop healthy exercise habits and ways to change their eating so that they will lose weight. This information will be provided at evening group sessions. There will be a total of 20 group meetings over an 18-month period that will be held: every week during the first month of the study, every other week for the second month once a month for months 3-12 every 6 weeks for months 13-18 Participants in the self-efficacy group will also be asked to participate in one-on-one lifestyle counseling sessions with a study interventionist throughout the study. Everyone will be asked to complete questionnaires, two 24-hour dietary recalls over the phone, and have blood tests done every six months (at the beginning of the study, at 6, 12, and 18 months) a total of 4 times for the study.

Preventing Overweight in USAF Personnel: Minimal Contact Program
OverweightObesityThe prevalence of overweight in the United States Air Force (USAF) is about 22%. The objective of this study is to compare the effectiveness of a minimal contact behavioral therapy plus usual care group(MCBT+UC) using a controlled experimental comparison of usual care(UC). Subjects are USAF personnel who are 5lbs below their Maximum Allowable Weight (MAW) and heavier. The primary hypothesis is that: MCBT+UC will have significant weight loss as compared to UC.

Effect of Diet Plus Sibutramine on Hormonal and Metabolic Features in Overweight and Obese Women...
ObesityPolycystic Ovary SyndromeStudies on the effect of sibutramine, an anti-obesity drug, on hormonal and metabolic features of women with polycystic ovary syndrome (PCOS) are lacking. The objective of this study is to examine the effect of sibutramine plus hypocaloric diet on body composition, hormonal and metabolic parameters and insulin resistance in obese patients with PCOS. Overweight and obese women with PCOS were placed in a hypocaloric diet plus sibutramine (10 mg/day) for the first month and then on a hypocaloric diet plus sibutramine (10 mg/day) or hypocaloric diet only for the subsequent 6 months. The main outcome measures are: Body composition, hormonal and metabolic features and insulin sensitivity (OGTT) at baseline, at 3 and 6 months of treatment.

Exploratory Study to Evaluate Various Pharmacodynamic Effects of Subcutaneously Infused or Injected...
OverweightObesityThis exploratory study is designed to evaluate various pharmacodynamic effects of subcutaneously (SC) infused or injected pramlintide in obese, nondiabetic male and postmenopausal female (not on hormone replacement therapy) subjects. The study will also assess the safety and tolerability of pramlintide administered by SC infusion or injection.

GRIB Forsoeget-2004
OverweightThe difficulties in loosing weight may not stem from lack og knowledge about nutrition, as implied by the standard treatment but from difficulties in following the advice. The hypothesis is, that revealing and addressing these difficulties psychotherapeutically may be more efficient in obtaining weight reduction. The effect of psychological group treatment of severely overweight children and their parents is compared with traditional nutritional information. In other words: Which is better: back-up or enlightenment?

A Safety and Efficacy Study of Naltrexone SR/Bupropion SR in Overweight and Obese Subjects
ObesityOverweightThe purpose of this study is to determine whether the combination of naltrexone SR and bupropion SR is safe and effective in the treatment of obesity.

Effectiveness of Cognitive Behavioral Therapy Plus Nutritional Counseling in Promoting Weight Loss...
Binge Eating DisorderObesity1 moreThis study will evaluate the effectiveness of adding nutritional counseling to cognitive behavioral therapy in treating obese people with binge eating disorder.

Efficacy and Safety Trial to Evaluate the Effect of SCH 497079 on Weight in Obese and Overweight...
ObesityOverweight1 moreThe purpose of this study is to evaluate the effect of SCH 497079 on weight in obese and overweight participants. The primary measure of effectiveness is the change in body weight during treatment. Additional measures include waist circumference and body mass index (BMI). In addition, the safety of SCH 497079 in obese and overweight participants will be evaluated. The primary hypothesis is that treatment with SCH 497079 will be more efficacious than that with placebo with respect to the primary efficacy variable.

Trial of Leptin Administration After Roux-en-Y Gastric Bypass
OverweightThis is a pilot and feasibility study to examine a novel intervention using leptin in weight-reduced individuals who have undergone bariatric surgery but still remain obese. Leptin, a peptide hormone secreted from adipose tissue, is a regulator of food intake and energy expenditure. Administration of leptin resulted in profound weight reduction in the few reported cases of obese individuals with genetic leptin deficiency. However, most obese people have increased leptin levels. Such individuals are said to be in a "leptin-resistant" state, whereby administration of physiological concentrations of leptin are ineffective at producing significant weight reduction. Roux-en-Y gastric bypass surgery (RYGBP) is more effective than diet alone in producing long-term reduction of body weight. Yet even after surgery there is a plateau in weight loss though the individual may still be obese and have or be at risk for obesity related morbidities. The investigators have shown that plasma leptin levels are significantly lower in women after RYGBP compared with BMI-matched controls. This state of relative hypoleptinemia or leptin insufficiency suggests that post-RYGBP individuals may be in a "leptin-sensitive" state and, thus, would undergo further weight loss when administered doses of leptin that would not normally result in significant weight reduction. This study will examine the effects of leptin administered by self-injection twice per day on body weight and endocrine function. All individuals will received leptin and placebo and different times during the 34 week study period.

The VA-STRIDE Study
OverweightObesity1 moreThe purpose of the study was to examine the effectiveness of an expert-system, print-based physical activity (PA) intervention delivered to Veterans receiving primary care at the VA Pittsburgh Healthcare System (VAPHS).