View clinical trials related to Pediatric Obesity.
Filter by:In the U.S., dietary fructose has increased in parallel with the increase in obesity and may promote the development of diabetes and other chronic diseases. The largest source of dietary fructose is sweetened beverages that are consumed by adolescents more than any other age group. This protocol will compare the rates of hepatic de novo lipogenesis (DNL), a process in the liver that changes sugar into fat, in two groups of obese adolescents - one with prediabetes and the other, metabolically healthy. Blood will be sampled before and hourly for 3 hours after the consumption of a fructose-containing beverage. We hypothesize that the pre-diabetic group will show greater DNL in response to fructose. This would support other evidence that increased fructose-induced hepatic DNL is an early mechanism linking dietary sugar to the adverse metabolic sequelae of obesity, including diabetes, fatty liver, dyslipidemia and coronary disease.
Physical inactivity is considered to be one of the ten principal risk factors for death worldwide. Children need to perform one hour of daily moderate-to-vigorous intensity physical activity whereof at least twice a week these activities are of vigorous intensity. In 2010, the percentage of 4-11 year-old normoactive Dutch children was approximately 20%. In addition, there is a dose-response relationship between BMI by sex and physical activity levels. Previous interventions that aimed to increase childhood physical activity produced small to negligible effects. One possible explanation is that individuals were not intrinsically motivated towards PA during the intervention period. Children spend a substantial amount of their time behind a game consule. There are a number of applications that motivate increase in PA in a fun way through engaging individuals in games that mix real and computing worlds. These games became known as serious games. In this study we want to investigate if the incorporation of a serious game BOOSTH in combination with an activity tracker to stimulate physical activity behaviour in overweight/ obese children.
There are limited evidence-based treatments for adolescents with binge eating and fewer specifically targeting adolescents with both binge eating and overweight/obesity. The existing research for adolescents with overweight/obesity and loss of control (LOC) eating supports a stepped-care model of treatment in which enhanced behavioral weight loss treatment is the first line of treatment followed by more intensive therapeutic treatment for individuals with remaining emotional eating difficulties. Thus, in this proposed study, the investigators will systematically develop a stepped-care protocol and manualized interventions for adolescents with LOC and binge eating behaviors. The investigators will then evaluate the feasibility and acceptability of the interventions in a pilot trial and gather preliminary outcome data to inform development of a subsequent randomized controlled trial.
This study is investigating the impact of a skills training program in stimulus control of meals and snacks on zBMI. Participants will be randomized to a standard family-based obesity treatment intervention with education on child health or a standard family-based obesity treatment intervention with experiential learning about meal stimulus control strategies.
Pediatric obesity, a defining health problem of the century, leads to long-term health disparities. This application evaluates strategies to prevent health disparities early in life by developing environmental wellness-related interventions focused on child-care center staff and families. Childcare centers provide an excellent opportunity to build healthy dietary and physical activity lifestyle habits and avoid the rapid weight gain that leads to health disparities. Building on a statewide survey among childcare centers and a pilot evaluation of an environmental intervention, this 3-cell randomized trial evaluates the impact of a staff-led wellness intervention and a staff-led and family-focused intervention, against a control condition.
The current epidemic rate of childhood obesity is a leading health concern as overweight/obese youth may suffer from comorbid conditions, once considered exclusive to adults. It has been suggested that physical inactivity is a major determinant of obesity and obesity-related health risk in children and adolescents. Recent studies in adults report that the combination of aerobic and resistance exercise is a better strategy than aerobic or resistance exercise alone for reducing risk factors for type 2 diabetes. Currently, the most effective exercise modality for concurrent reductions of adiposity, in particular abdominal fat, and risk factors for type 2 diabetes and cardiovascular disease (CVD) is unknown in adolescents. Therefore, we will employ a randomized trial to examine the effects of a long-term aerobic exercise, resistance exercise, and a combination of both exercise regimens on: 1) in vivo insulin sensitivity, glucose tolerance and risk for type 2 diabetes, 2) total adiposity, skeletal muscle mass, visceral adiposity and ectopic fat in the liver and skeletal muscle, and 3) traditional and non-traditional risk factors/markers for CVD in overweight boys and girls. We will recruit 168 sedentary overweight (BMI >85th percentile) adolescent boys and girls aged 12-17 years old and randomly assign them to one of three 6-month intervention groups (n = 56 each group): 1) aerobic exercise (180 min/week), 2) resistance exercise (180 min/week), or 3) aerobic and resistance exercise (180 min/week) group. A weight maintenance diet (55-60% carbohydrate, 15-20% protein, and 25-30% fat) will be prescribed and monitored for all groups, so that any changes in energy balance will be induced by exercise intervention alone (e.g., no calorie restriction). We believe that this proposed application will have a significant implication that is directly relevant for one in three American adolescents who are at increased risk of developing obesity-related co-morbidities.
In Canada, the number of obese children and adolescents has increased tremendously. Interventions addressing diet and physical activity have been successful in the short-term. However, a great number of individuals have difficulties maintaining achieved weight loss and returning to treatment sessions. New technology interventions, through the web or delivered trough Personal Digital Assistants (PDAs) (e.g. iPhone or Blackberry), are increasingly being used in health interventions. PDAs have emerged as appealing in health interventions as they are easily accessible and their interactivity makes them well suited to promote long-term engagement in behaviour change interventions. This study will look at the utility of supplementing a family-based lifestyle program for overweight and obese adolescents (Shapedown BC) with a PDA intervention (Text2bHealthy) focussing mainly on physical activity, sedentary behaviours, and dietary intake to maintain treatment success by improving self-management skills. Adolescents and will receive Text2bHealthy for 3-months after 3 months participation in the Shapedown BC program. Results from this study will provide needed information on how to improve treatment adherence and maintenance outcomes through the use of innovative methods and will ultimately contribute to the improvement of long-term outcomes in obesity treatment.
In this 3-phase study, following an initial small-scale (phase 1) feasibility trial, the aim of phase 2 of the project is to investigate whether a community-based, 12-month intervention for overweight and obese preschool children 2-6 years of age and their families will be effective in reducing the participants' degree of overweight (BMI z-score) and in improving quality of life. In the final phase (phase 3), participating children will be randomized to either receiving a multidisciplinary lifestyle intervention during the first 6 months (treatment arm), or 6 months later (control or wait list arm), in order to generate more robust effectiveness data. Participants will receive an additional free 6-month YMCA membership while participating in the study.
Identification and validation of early chronic disease biomarkers in children is of paramount importance especially in the burgeoning arena of pediatric obesity research. Despite the presence of risk factors, few obese children develop overt cardiovascular disease (CVD) early in life. However, because CVD is a cumulative process occurring over time, identifying the earliest signs in order to intervene sooner may have a large impact on slowing its progression. Endothelial activation is one of the earliest detectable signs of the beginnings of CVD. However, accurately quantifying endothelial health in children has proven to be a major challenge. Direct measures of endothelial cell biology, such as circulating endothelial cells (CEC) and endothelial microparticles (EMP), have been extensively studied in adults and are associated with vascular diseases, CVD risk factors, and CVD events. Despite being well-validated in adults, CEC and EMP have not been formally evaluated as disease biomarkers in children and adolescents. Pediatric obesity is an ideal condition in which to validate CEC and EMP as disease biomarkers since adiposity in childhood is associated with CVD, type 2 diabetes mellitus, and premature death, later in life. The investigators primary focus in this study will be the evaluation of CEC and EMP as biomarkers of CVD risk and whether substantial changes in weight affect these biomarkers. The investigators propose to evaluate the change in levels of CEC and EMP in response to substantial weight loss in 32 adolescents with extreme obesity undergoing elective, clinically-indicated bariatric surgery.
The purpose of the study is to examine the extent to which two different reward systems implemented in the context of a multi-family pediatric weight management group differentially promote adoption of healthy eating and activity habits among overweight and obese 8-17 year old youth. Participants will be randomly assigned to one of two reward conditions: rewards for attendance only or rewards for attendance and goal attainment. We hypothesize that all participants will demonstrate significant increases in healthy nutritional choices and physical activity and significant reductions in sedentary activity from pre-intervention to post intervention. We expect that participants in attendance plus goal attainment reward condition will demonstrate significantly greater improvements than participants in the attendance only condition.