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Effect of Aging on Bariatric Surgery-induced Changes in Metabolism and Cognition

Insulin Resistance Clinical Trial

Official title:
Effect of Aging on Bariatric Surgery-induced Changes in Metabolism and Cognition

Clinical Trial Summary

The investigators hypothesize that the improvements in insulin sensitivity, beta (β)-cell function, and inflammation will be greater, and the improvement in sarcopenic obesity will be less, in younger versus older individuals after substantial weight loss induced by sleeve gastrectomy bariatric surgery.

Clinical Trial Description

With an aging population that is increasingly susceptible to obesity and obesity-related comorbidities including sarcopenia and diabetes, effective and safe treatment options tailored to the needs of older adults are imperative. While medication and lifestyle interventions generally fail to achieve sustained large-scale weight loss, bariatric surgery is the most effective long-term weight loss treatment for obese patients and improves many of the medical complications associated with obesity. Sleeve gastrectomy (SG) results in substantial weight loss and may be more appropriate for older adults due to its low rate of complications and mortality. Therefore, SG has been proposed as a reasonable primary treatment modality in older obese individuals, with a substantial recent increase in the number of interventions performed. Despite the potential benefits, very little is known of the physiologic and metabolic effects of bariatric surgery, including SG, on glucose homeostasis and muscle physiology in older adults. A fundamental understanding of the effects of excess adiposity and weight loss interventions is of profound importance, especially with emerging evidence that earlier treatment of obesity may delay/prevent many comorbidities. An underlying inflammatory state has been implicated in the pathogenesis of sarcopenia and insulin resistance and may provide an important connection to the age-related declines seen in older obese patients. Therefore, this study aims to evaluate the modifying effect of age and inflammation on the SG-induced changes in body composition, muscle physiology, and insulin sensitivity. This protocol will be conducted in two age cohorts (greater than 60 and less than 50 years old). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02088190
Study type Observational
Source Ohio State University
Contact
Status Completed
Phase
Start date April 2014
Completion date July 2021
View Details
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