Prediabetes Clinical Trial
Official title:
Metformin and Muscle in Insulin-resistant Older Veterans
Sarcopenia is the loss of muscle mass, strength and function with aging and is associated with increased disability, falls and fractures. Older adults with diabetes and prediabetes are insulin resistant and have a higher risk of developing sarcopenia. This study examines the use of metformin, an antidiabetic drug, for preventing the development of sarcopenia in older adults with prediabetes.
The proposed study utilizes clinical and translational research approaches to study sarcopenia. Sarcopenia is common in older adults and is associated with decreased strength, increased disability, falls and fractures. There are currently few interventions to prevent or treat sarcopenia and a poor understanding of the mechanisms for sarcopenia. Given the growing number of Veterans over the age of 65, studies to prevent sarcopenia and resulting disability are important for the health, independence and well-being of this population. The investigators' preliminary studies have shown that older adults with diabetes have an accelerated loss in muscle mass and gait speed, except when treated with metformin. Older adults with prediabetes also have a greater decline in muscle mass and higher incidence of disability. Therefore, this study further investigates these findings by addressing the following aims: (1) to determine whether metformin can prevent the loss in muscle mass and physical performance and (2) to examine changes in muscle histologic characteristics associated with metformin treatment in older adults with prediabetes. ;
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