Colorado PROFILES, The Colorado Clinical and Translational Sciences Institute (CCTSI)
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05/16 Action for Health in Diabetes Extension Study - Research Project


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? DESCRIPTION (provided by applicant): Over 25% of the US population >65 years of age have type 2 diabetes and 80% of these individuals are overweight or obese. These individuals face shortened lifespans, increased health care needs, greater medical complications, and lower quality of life relative to those of similar age without these conditions. Lifestyle interventions focused on weight loss are recommended for overweight and obese individuals with type 2 diabetes, but whether these interventions meaningfully improve the lives of older individuals with diabetes over extended follow-up is unknown. Look AHEAD is a randomized trial comparing the effects of intensive lifestyle intervention (ILI) focused on weight loss achieved through healthy eating and increased physical activity versus a control group given Diabetes Support and Education (DSE) in overweight and obese individuals with type 2 diabetes. Although ILI did not produce beneficial effects on the primary and secondary outcomes related to cardiovascular disease, it did produce beneficial effects on a broad spectrum of health parameters during the period of the intervention. The LA Extension (LA-E) will examine whether ILI, provided for 10 years during mid- life, has enduring benefits that persist beyond the period of the intervention for older individuals with diabetes. We propose to follow approximately 3,800 participants (current ages 58-89 years) for 4.5 additional years with biennial clinic visits and 6-month outcomes phone calls. The primary aims of LA-E are to test whether ILI relative to DSE has long term legacy effects on 1) increased lifespan and 2) reduced health care costs. Secondary aims test whether ILI relative to DSE has long-term effects on key dimensions of healthy aging: less frailty, reduced diabetic microvascular complications, and improved quality of life. LA-E will also compare long- term trajectories of weight, physical activity, fat and lean mass, and bone density and examine how these are related to outcomes. LA-E focuses on the clinical outcomes that are most relevant to healthy aging and resilience and will provide the long-term data needed to frame guidelines related to lifestyle intervention in the care of older overweight or obese individuals with type 2 diabetes.
Collapse sponsor award id
U01DK057151

Collapse Time 
Collapse start date
1999-09-30
Collapse end date
2021-01-31

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