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Weight Loss clinical trials

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NCT ID: NCT03435445 Active, not recruiting - Obesity Clinical Trials

Online Platform for Healthy Weight Loss (POEmaS)

POEmaS
Start date: September 24, 2017
Phase: N/A
Study type: Interventional

Clinical trial to test the efficacy of an online platform based on behavior change principles in promoting weight loss among overweight and obese students and employees of the Federal University of Minas Gerais. The hypothesis is that participants of the group which use the platform with or without a dietitian coaching will lose more weight than those allocated to the group who receives dietary and physical activity orientations by educational videos only.

NCT ID: NCT03434431 Completed - Obesity Clinical Trials

Can Reverse Dieting Prevent Weight Regain After Weight Loss

Start date: July 17, 2016
Phase: N/A
Study type: Observational

Introduction: It is known that weight loss results in decreased Resting Energy Expenditure (REE), due to a decrease in lean body mass (LBM), but also due to metabolic adaptation, resulting in a higher energy efficiency, responsible for weight regain. Powerlifting athletes submit themselves to caloric restriction before a competition to reach their desired weight category. After cessation of the restrictive diet body mass will quickly return to pre-diet values with a disproportionate gain of fat mass. To avoid fat gain 'reversed dieting' has become popular among athletes. This involves increasing caloric intake in a stepwise fashion with the assumption that the small increases in caloric intake might help to restore energy expenditure toward pre-dieting levels and decrease the chance of increasing fat mass. While anecdotal reports of successful reverse dieting are available, research is needed to evaluate its true efficacy. In addition, if the method would work in non-athletes this could be an important change in the risk of weight regain after a weight loss diet. . Aim: To test the effects of the reverse dieting protocol in the prevention of metabolic adaptation following a period of caloric restriction in weight training athletes. . Methods: A convenience sample of 3 powerlifters is used in this study. They are submitted to a 750kcal/day caloric deficit with a protein intake set at 2x bodyweight (kg) and 30%en from fat for 6 weeks, adjusted weekly. The reverse dieting protocol adds 100kcal during week 1-4 and 150kcal during week 5-8. REE is measured bi-weekly and body composition at day 1 of caloric restriction and day 1 and day 56 of reverse dieting. Exercise is kept constant during the entire period. .

NCT ID: NCT03430115 Not yet recruiting - Obesity Clinical Trials

Health Outcomes After Participating in Exercise (HOPE)

HOPE
Start date: February 19, 2018
Phase: N/A
Study type: Observational

Aging is associated with significant declines in muscle mass, strength, and physical performance, all of which lead to disability, loss of independence, and adverse clinical outcomes. Obesity exacerbates these age-related declines in function and is associated with poorer clinical outcomes and quality of life. Weight loss can also worsen age-related loss of muscle mass and decrease bone mineral density. The overall goals of this study are to determine if the short-term functional benefits of intentional weight loss are sustained long-term, and to examine the long-term benefits and risks of weight loss.

NCT ID: NCT03423238 Not yet recruiting - Obesity Clinical Trials

Targeting Obesity to Optimize Health in Cardiac Rehab (TOPCARE)

TOPCARE
Start date: February 19, 2018
Phase: N/A
Study type: Interventional

Although coronary heart disease (CHD) treatment guidelines recognize obesity as a major modifiable risk factor,2 nearly half of all CHD patients are obese and the current standard of care fails to implement evidence-based obesity treatment for this high-risk population. Multiple lines of evidence suggest that weight loss improves outcomes in CHD patients. The primary goal of this study is to determine the feasibility of adding a 6-month behavioral weight loss intervention to exercise-based cardiac rehabilitation.

NCT ID: NCT03422380 Completed - Obesity Clinical Trials

Energy Expenditure and Weight Loss Maintenance

Start date: October 2009
Phase: N/A
Study type: Observational

Obesity is reaching epidemic proportions and threatens both health and quality of life of people around the world. While many individuals succeed at short term weight loss, weight loss maintenance is the greatest barrier to successful treatment of obesity. High levels of physical activity are consistently associated with success in weight loss maintenance. The major goal of this proposal is to understand how and why high levels of physical activity are critical for long term maintenance of weight loss. This project takes advantage of the National Weight Control Registry (NWCR), which follows over 6000 individuals who have maintained a weight loss of ≥30 pounds for ≥1 year. Understanding how individuals successful at weight loss maintenance achieve energy balance will provide important insight into strategies to help more people sustain a weight loss.

NCT ID: NCT03418701 Not yet recruiting - Obesity Clinical Trials

Health-Smart for Weight Loss at UF Jax Clinics

Start date: June 2018
Phase: N/A
Study type: Interventional

The study will test the effectiveness of a culturally sensitive, evidence-based, multi-component, behavioral program for treating obesity called Health-Smart. This program is being implemented by Community Health Workers at the primary care centers and followed by either of two physician-implemented behavioral counseling programs to prevent weight gain--programs that are implemented quarterly over 12 months.

NCT ID: NCT03411902 Not yet recruiting - Weight Loss Clinical Trials

Weight Loss With Risedronate for Bone Health

WERISE
Start date: February 2018
Phase: Phase 4
Study type: Interventional

This is a pilot project to determine the feasibility of recruiting, enrolling, treating, and following 24 older sleeve gastrectomy patients into a randomized controlled trial (RCT) examining the efficacy of bisphosphonate use versus placebo in the prevention of surgical weight loss associated loss of bone mass and quality.

NCT ID: NCT03411356 Recruiting - Obesity Clinical Trials

Intermittent Fasting Versus Daily Caloric Restriction for Weight Loss

Start date: December 22, 2017
Phase: N/A
Study type: Interventional

The primary aim of this study is to is to determine if intermittent fasting (IMF) is an effective dietary strategy for treatment of obesity. A 1 year randomized trial will be used to compare weight loss generated by IMF versus Daily Caloric Restriction (DCR). The targeted weekly energy deficit is designed to be similar (~30%) and a comprehensive behavioral support program will be provided to both groups. The primary outcome is weight change at the end of the 1 year intervention; follow up measures will also be obtained 6 months after completing the intervention. This study will provide robust data regarding weight loss effectiveness of IMF and will further our understanding of the impact of IMF on energy balance.

NCT ID: NCT03400696 Active, not recruiting - Clinical trials for Overweight and Obesity

Web-based Weight Loss Intervention

Start date: December 27, 2017
Phase: N/A
Study type: Interventional

Excess weight is a major risk factor underlying leading causes of death globally, including cardiovascular disease, type 2 diabetes, and some cancers. Among participants assigned to the same lifestyle intervention arms in prior weight loss randomized controlled trials, large inter-individual differences in weight loss success have been observed, ranging from >50lbs of weight loss to >10lbs of weight gain. Both genetic and non-genetic factors underlying differential adherence and weight loss success are poorly understood.

NCT ID: NCT03396653 Not yet recruiting - Obesity Clinical Trials

Peer Support for Weight Loss Maintenance

Start date: February 2018
Phase: N/A
Study type: Interventional

The primary aim of this study is to test the efficacy of patient-provided treatment for weight-loss maintenance.