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Obesity clinical trials

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NCT ID: NCT02981160 Withdrawn - Obesity Clinical Trials

Validation of a Personal Breath Analyzer for Diet and Energy Expenditure Assessment and Management

Breezing
Start date: December 2016
Phase: N/A
Study type: Interventional

The purpose of the research is to determine energy expenditure rates and diet and/ physical activity metabolic features of an individual using current state technologies and a new technology created at the Center for Bioelectronics and Biosensors at ASU. This is a pilot study which intent is to validate this device for use in the weight loss patient population. This study will involve research of metabolic physiological parameters that are measured through the breath of the individuals, together with other physical parameters (weight, height, date of birth, fat and lean body composition via bio-impedance, heart rate, blood pressure, and breathing rate) assessed in the clinic, and a questionnaire about diary physical activities. The study will involve withdrawn of breath samples at resting conditions, and under diets or physical activities regimes. This instrument will assist our patients in terms of tailoring their diet/nutrition through their weight loss journey prior and after surgery. As a new technology, it will be an excellent tool for compliance assessment and engagement with the Weight Loss Program as well as for long term follow up.

NCT ID: NCT02932202 Withdrawn - Obesity Clinical Trials

Women Eating With Interactive Tracking to Gain Healthily Through Term Pregnancy Trial

WEIGHT
Start date: July 8, 2016
Phase: N/A
Study type: Interventional

Obesity and excessive weight gain in pregnancy have significant associated maternal and fetal complications including gestational diabetes, large for gestational age infants, birth trauma, and stillbirth. The standard of care places the responsibility on the providers during prenatal visits to remind patients of their weight gain goals and provide appropriate counseling. The objective of this study is to evaluate a sustainable medical student-assisted longitudinal program of nutritional counseling and web based nutrition tracking for pregnant women on excessive weight gain during pregnancy and the effects on diet choices and fetal and maternal complications.

NCT ID: NCT02355041 Withdrawn - Obesity Clinical Trials

Meal Replacement Study

Start date: February 2015
Phase: Phase 3
Study type: Interventional

Adolescent obesity is associated with a number of serious health conditions and most obese adolescents become obese adults. Despite this fact, very few adolescent health centers offer clinical weight loss programs. This is likely because most weight loss programs require extensive resources and are not covered by most health insurance policies. However, this is expected to change since the American Medical Association's recent decision to recognize obesity as a disease. Therefore, it is important to identify simple and effective nonsurgical programs for weight loss, which can be used in adolescent health centers. The investigators are proposing to show that a meal replacement based diet program will be effective in reducing body mass index (weight adjusted for height). In this pilot study, 90 adolescents will either participate in a meal replacement based weight loss program or watch an educational video. Body mass index and body fat will be recorded over time to see if adolescents participating in the meal replacement program lose more weight than those who do not participate in this program. In order to address this objective, the investigators will assess group differences in body mass index (BMI; kg/m2), body composition (% body fat), eating disorder symptoms and psychological/behavioral variables.

NCT ID: NCT02333903 Withdrawn - Obesity Clinical Trials

Adapted Physical Activity Program After Sleeve Gastrectomy

PEEPSO
Start date: January 2015
Phase: N/A
Study type: Interventional

This study compares the ratio of lean mass losses over total body mass losses between patients undergoing sleeve gastrectomy followed by physical activity training versus patients undergoing sleeve gastrectomy only

NCT ID: NCT02296034 Withdrawn - Obesity Clinical Trials

Blood Glucose Variability in Obese Youth Participating in a Lifestyle Modification Program

Start date: September 2015
Phase: N/A
Study type: Observational

The purpose of this study is to measure blood glucose variation in youth prior to and after participation in a healthy lifestyle intervention program. The hypothesis is that youth with more severe obesity and those further along in puberty will have more glycemic variability, and that glycemic variability will be improved by participation in the lifestyle intervention program.

NCT ID: NCT02288351 Withdrawn - Obesity Clinical Trials

Intestinal Remodeling And Reprogramming of Glucose Metabolism Following Laparoscopic Roux-en-Y Gastric Bypass

Start date: November 2014
Phase: N/A
Study type: Interventional

The purpose of this study is to investigate small intestinal remodeling and reprogramming of glucose metabolism in patients with Type 2 Diabetes Mellitus (T2DM) who undergo laparoscopic Roux-en-Y Gastric Bypass (RYGB). Our specific goal is to determine if the gene and protein expression levels of GLUT-1 are up regulated in the Roux limb and whether this is a major mechanism for the remission of T2DM following RYGB. The two aims of the study are: 1) to demonstrate that the basement membrane glucose transporter 1 (GLUT-1) is upregulated in the Roux limb following RYGB, and 2) to demonstrate that the upregulation of GLUT-1 is a major mechanism for the improvement in glycemic control observed in T2DM patients undergoing RYGB.

NCT ID: NCT02255240 Withdrawn - Breast Cancer Clinical Trials

LEVEL UP: Video Games for Activity in Breast Cancer Survivors

LEVEL UP
Start date: September 2014
Phase: N/A
Study type: Interventional

The purpose of this study is to test an intervention that uses home console video games to encourage increased physical activity among postmenopausal breast cancer survivors.

NCT ID: NCT02215421 Withdrawn - Obesity Clinical Trials

Mommio: Training in Vegetable Parenting

Start date: June 2015
Phase: N/A
Study type: Interventional

A 20 episode video game called Mommio simulates parent-child feeding interactions for parents of 3-5 year old children within a storyline addressing a problem commonly reported by parents (getting their 3-5 yo to taste a vegetable, which is often a first step toward eating the vegetable), thereby training parents in effective food parenting practices. This research evaluates whether the 20 episodes targeting barriers identified by parents across five levels of difficulty influences vegetable parenting practices and children's dietary intake. We had to discontinue the study since changes in commercial availability of game development software required reprogramming and available funding did not allow for completion of game programming. Thus, no game evaluation was possible.

NCT ID: NCT02163304 Withdrawn - Obesity Clinical Trials

Effects of Images Following Beverage Ingestion on Brain Activation

Sweety
Start date: August 2015
Phase: N/A
Study type: Interventional

The primary purpose of this study is to quantify activation of regions of the brain associated with taste, appetite, and reward after viewing high sugar and high fat (HS/HF) images compared to control images following ingestion of (1) an artificially sweetened solution, (2) a sucrose solution, and (3) a tasteless control solution in normal weight vs. obese women. This is a repeated measures study design; hence, data are collected on three days corresponding to the three solutions. Body mass index (BMI) is a between subjects measure. 1. After consuming an artificially sweetened solution and a sucrose solution compared to a tasteless solution, viewing HS/HF food images vs. control images will result in higher activation of taste pathways (frontal operulum and anterior insula (FO/AI)) in the brain. 2. After consumption of a sucrose solution compared to an artificially sweetened solution and a tasteless solution, viewing HS/HF food images vs. control images will result in higher activation of regions of the brain associate with appetite (hypothalamus). 3. After consumption of a sucrose solution compared to an artificially sweetened solution and a tasteless solution, viewing HS/HF food images vs. control images will result in higher activation of regions of the brain associated with reward [amygdala, anterior cingulate cortex (ACC), Orbitalfrontal Cortex (OFC), and ventral tegmental area (VTA), striatum, insula] in obese but not normal weight women. After consuming an artificially sweetened solution compared to a tasteless solution, viewing HS/HF images vs. control images will result in no differences in activation of reward pathways of the brain.

NCT ID: NCT02162524 Withdrawn - Obesity Clinical Trials

Effects of Images Following Long-term Aerobic Exercise on Brain Activation

E-Mech Anc II
Start date: January 2014
Phase: N/A
Study type: Interventional

The primary purpose of this study is to quantify activation of regions of the brain associated with appetite and reward after viewing high sugar and high fat (HS/HF) images compared to control images following long-term aerobic exercise. 1. After long-term aerobic exercise compared to a no-exercise control group, viewing HS/HF food images vs. control images will result in higher activation of regions of the brain associate with appetite (hypothalamus). 2. After long-term aerobic exercise compared to a no-exercise control group consumption of a sucrose solution compared to an artificially sweetened solution and a tasteless solution, viewing HS/HF food images vs. control images will result in lower activation of regions of the brain associated with reward [amygdala, anterior cingulate cortex (ACC), Orbitalfrontal Cortex (OFC), and ventral tegmental area (VTA), striatum, insula] in overweight and obese men and women. Exploratory Aims As exploratory aims, investigators will test a preliminary brain connectivity analysis.