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Browse 4,967 clinical trials for obesity. Find studies that match your criteria and connect with research centers.
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NCT02114190
With currently 35% of U.S. adolescents being overweight and one in six having metabolic syndrome, adolescent obesity is one of the major global health challenges of the 21st century. Few enduring treatment strategies have been identified in adolescent populations and the majority of standard weight loss programs fail to adequately address the impact of psychological factors on eating behavior and the beneficial contribution of parental involvement in adolescent behavior change. A critical need exists to expand treatment development efforts beyond traditional education and cognitive-behavioral programs and to explore alternative treatment models for adolescent obesity. Meditation-based mindful eating programs may represent a unique and novel scientific approach to the current adolescent obesity epidemic as they address key psychological variables affecting weight. Furthermore, the recent expansion of mindfulness programs to include family relationships shows the immense potential for broadening the customarily individual focus of this intervention to include broader factors thought to influence adolescent health outcomes. Thus, we propose to develop a mindful eating approach to eating behavior and weight loss specifically tailored for adolescents and their families. The first phase of our three phase development process will be devoted to adapting an adolescent protocol (Mindful Eating-A) based on an established mindful eating program currently being used with adult populations. We will then develop a 'family enhanced Mindful Eating-A' (Mindful Eating-A+F) protocol that integrates a family systems perspective. The goal of Mindful Eating-A+F is to expand the focus of Mindful Eating-A to include family factors that influence adolescent eating behaviors. The second design phase will consist of an initial test of both intervention components to provide feedback on usefulness and acceptability (N = 10 families). The final phase will examine the overall efficacy of the optimized Mindful Eating-A+F, relative to the Mindful Eating-A intervention with 30 overweight adolescents (BMI \> 85th percentile) ages 14-17 and at least one parent. Within this examination, post-treatment and 3-month follow-up comparisons across the two treatment approaches will be made and effect sizes within and between treatments will be assessed.
NCT02932423
The purpose of this clinical study is to investigate the effect of drinking a sugar-sweetened beverage along with a meal on insulin concentrations and, glucose and lipid metabolism, in overweight and obese subjects, during a 10-hour visit.
NCT03079635
The purpose of this research is to determine if body composition influence the effect of breakfast composition on postprandial (post-meal) hunger, metabolic and energy expenditure response in normal weight, overweight, and obese young women.
NCT02760641
The purpose of this study is to determine the effects of change in diet quality (carbohydrate restriction versus fat restriction) on body composition, fat distribution, cardiometabolic risk factors, physical function, and quality of life in aging adults with obesity.
NCT02124135
Dietary counseling at the point of purchase could improve patient adherence to dietary advice and downstream health outcomes. The aim of our pilot is to test the efficacy of a novel delivery system for dietary advice. We will study the effect of relocating family weight management counseling sessions into restaurants, where registered dieticians and patients will conduct scheduled group visits while enjoying a meal together. As with office-based visits, our goal is for members and their families to learn how to select food options based on their unique health needs, budgetary concerns, and time constraints. In contrast to a traditional counseling visit, however, co-dining with a dietitian will give members a hands-on experience designed to enhance their learning and improve adherence. The proposed study would build on an existing pilot of a similar program, the "KP Personal Shopper", where dietitian visits were conducted with individuals either in the clinic setting or while shopping in a grocery store. We will compare the new "Eat Out with Kaiser" approach to the current standard of clinic-based dietary and lifestyle counseling for weight management among 40 families affected by obesity, with the following outcomes in mind: 1. Change in dietary measures 2. Nutritional knowledge of families 3. Participant self-efficacy and confidence in food purchasing decisions 4. Participant and dietician perception of visit We hypothesize that, compared to clinic-based visits, our "Eat Out with Kaiser" visits will result in more favorable perception of the visit by both dietitian and participant, higher nutritional knowledge scores, higher self-efficacy and confidence of patients around food decisions, and larger improvements in diet components.
NCT01242020
The purpose of this study is to test a method of imaging (taking a picture) of the abdomen (belly), neck, thigh and calf (lower leg) areas of the body, using ultrasound along with a drug which makes the pictures look clearer. Ultrasound is a type of imaging that uses sound waves to create a picture of the inside of the human body. Two sets of pictures will be taken on two different days to see if the results are the same each time. DEFINITY® is a drug given intravenously (through the vein). DEFINITY® is approved by the FDA to be used as an ultrasound contrast agent (makes the pictures look clearer) while taking pictures of the heart. In this study, DEFINITY® will be used while taking pictures of blood vessels in your abdomen (belly), neck, thigh and calf (lower leg). Since this use of DEFINITY® is different than the use approved by the FDA, this study will be performed under an FDA Investigational New Drug (IND) application.
NCT02368639
This study will use a modified version of a positive airway pressure device to supply air to the participant, while undergoing supervised polysomnography. Positive airway pressures are typically applied to many patients with hypoventilation, in this study these pressures will be titrated by a qualified sleep technician. During the night these pressures will be altered to optimise comfort.
NCT02360878
We want to evaluate the impact of the EndoBarrier Gastrointestinal Liner (DJBS) on glucose metabolism as well as gut and pancreatic hormone secretion.
NCT03242564
The purpose of this study is to determine whether red light therapy using LED 650nm red light for body contouring of the waist, hips and thighs is as effective as red light therapy using Laser 635nm red light.
NCT02777489
The primary objective of this study is to evaluate the Carboxipeptidase D (CPD) genotyping as a predictive biomarker of body weight and/or fat mass reduction in obese patients treated with perindopril. There is nonclinical and clinical evidence that a subgroup of human subjects may present a decrease in body weight and/or fat mass following treatment with perindopril. Although the individual characteristics that determine such effect are still unknown, Gene PreDiT SA (Biocant Park, Cantanhede, Portugal) discovered that certain genetic characteristics (e.g., single nucleotide polymorphisms (SNPs) of CPD gene) may play a role and potentially could serve as a potential predictive biomarker of response to perindopril. These promising results, along with the fact that perindopril is a medicine already in use in clinical practice, led Gene PreDiT SA to decide to proceed with the development of a theranostic approach for the treatment of obesity. Such theranostic approach consists on the use of CPD genotyping to identify obese subjects that could present improved body weight and fat mass reduction following treatment with perindopril. The current clinical trial aims to prove the concept and provide data to design further confirmatory studies. Additionally this study will evaluate the association between CPD SNPs genotypes and response to perindopril; the effect of perindopril in waist circumference, waist/hip ratio, and BMI and the tolerability and safety of perindopril in the study population.
NCT02362737
This study will test ways to improve health behaviors using an intervention that has been specially designed for African-American men. The program, called Active \& Healthy Brotherhood (AHB), will provide information on basic health, and healthy eating, physical activity, stress management, and how to get medical care when needed.The AHB intervention will be compared to a control group that will receive basic health information in videos and brochures.
NCT02631083
The study is carried out to find out the inclusion of high and low glycaemic index foods to daily meals and how they impact 24 hour blood glucose fluctuations and energy regulation.
NCT03031886
Purpose: This study is carried out to determine the effect of GI on 24 hour blood glucose profiles and energy regulation in Asians when fed a normal diet modulated with sweeteners.
NCT01886937
The goal of this study is to determine whether one week of phentermine compared to placebo administration results in changes in food intake during a laboratory meal.
NCT02682173
Fatty liver in the obese is a common finding; some cases develop steato-hepatosis which in the long-term can lead to liver cirrhosis. The effect of bariatric surgery on fat distribution in the liver has so far been studied with liver biopsies and single voxel MR techniques. With this trial investigators present a new, whole organ MR-quantification of liver fat and describe changes after bariatric surgery in visceral and subcutaneous fat.
NCT00978393
This trial is conducted in Europe. The aim of this clinical trial is to investigate the effect of liraglutide on gastric emptying, energy expenditure and appetite, and to evaluate liraglutide pharmacokinetics in non-diabetic obese volunteers. The trial is designed as a two-period, six-sequenced, crossover trial where the trial participant will enter two treatment periods with a wash-out period of 6-8 weeks.
NCT03231592
In 1986, The Pioneer Valley in Western Massachusetts was home to one of the first two community supported agriculture (CSA) businesses in the USA. In 2014, there were 6,200 CSAs across the states, and today, in the Pioneer Valley alone, there are sixty CSAs. As with many parts of the United States, there are too many CSAs competing for the same pool of middle and upper-class customers. In his research at the University of Massachusetts in 2014, Mark Paul stated CSA farms are trapped in a lose-lose conundrum in which the farmers are not making enough money for a living wage, while simultaneously CSA shares are too expensive for many community members. The central challenge facing the CSA model moving forward is to provide fair compensation to farmers and farm workers, while making shares available at prices that can attract more members of the community. "(Im)Proving the CSA Model" proposes to increase consumption of and access to local products AND to develop new market opportunities for farms by opening the CSA membership base nationwide to low-income consumers and more price conscious middle class consumers. The investigators will do this by researching and documenting the health benefits of belonging to a CSA program. The investigators expect the resulting data to justify insurance-provided cash "wellness" benefits for CSA participation, much like those currently provided for gym membership. A wellness benefit will provide the financial incentive necessary to open CSA programs to lower- and middle-income consumers. The two-year research study intends to demonstrate that enrolling community health center patients in a Community Supported Agriculture (CSA) program is feasible and leads to dietary improvements that would be expected to offer clinical benefits in larger scale studies over longer timeframes. To maximize the knowledge gained from participation in this study, the investigators will measure several self-reported, laboratory, and clinical outcomes, but the primary purpose of this study is to provide pilot data for the model. To test this the investigators will implement a randomized controlled clinical trial design, with individual-level randomization of 120 participants, assigned in 1:1 ratio to receipt of a CSA membership (goal: 60 participants) or enhanced usual care (goal: 60 participants).
NCT03223389
To investigate the effects of different fat metabolites on gut hormone secretion in gastric bypass operated subjects and BMI-matched controls.
NCT02628301
This study aims to elucidate the role of the microcirculation in the development of whole body insulin resistance. The investigators hypothesize that impaired insulin signaling in the vasculature is an early phenomenon in the development of whole body insulin resistance. Furthermore, the investigators aim to identify improvement of microvascular function as a potential target in diabetes prevention and treatment.
NCT01500356
The primary aim of this study is to examine the effect of the consensus public health recommended level of physical activity \[moderate physical activity (MOD-PA) = 150 min/wk\] versus a higher dose of physical activity \[high physical activity (HIGH-PA) = 250 min/wk\] in the context of a comprehensive behavioral weight loss program that a includes a reduction in energy intake measures of cardiovascular function using cardiac MRI and biomarkers of vascular disease risk. Each of these exercise doses will be compared independently to a Diet Only group intervention on the proposed primary and secondary outcomes, with MOD-PA also compared to HIGH-PA. This study involves the recruitment of 390 overweight and obese adults who will be randomly assigned to one of the above conditions (Diet Only, MOD-PA, HIGH-PA) for a period of 12 months. The primary outcome is LVM measured by cardiac MRI. Secondary outcomes include additional cardiac MRI measures (aortic pulse wave velocity, end diastolic volume, aortic distensibility), inflammatory markers (CRP and TNFα) and selected adipocytokines (adiponectin) as biomarkers of risk related to vascular outcomes, body weight, body composition, and cardiorespiratory fitness, and traditional CVD risk factors (lipids, glucose, insulin, blood pressure). Additional secondary analyses will allow for examination of the effects of physical activity independent of weight change on the primary and secondary outcomes.
