Look AHEAD is randomized clinical trial examining the long-term health effects of an intensive weight loss intervention in approximately 5,145 overweight volunteers with type 2 diabetes. Participants are randomized to an intensive lifestyle intervention designed to achieve and maintain weight loss by decreased caloric intake and increased physical activity, or to a control program of diabetes support and education. The primary outcome of Look AHEAD is the aggregate occurrence of severe cardiovascular events (fatal and non-fatal Ml and stroke and cardiovascular deaths) over a planed follow-up of 11.5 years. The original grant application provided funding for the first 7 years of the study (1 year for study design and 6 for execution of the trial). The present grant application is for an additional 7 years of funding to complete the Look AHEAD trial. All aspects of the study have proceeded extremely well - the sample of 5,145 was recruited on time;retention has been excellent and the intervention has been effective in producing initial weight loss and maintaining it over time. All 16 clinical sites have been successful in recruitment, retention, and delivery of the intervention and the DSMB has been very positive about the execution of the trial. The present application reviews the overall design of Look AHEAD, progress to date, and plans for the future.
Specific Aims are to retain the cohort over time, continue to complete annual in-person visits and semi-annual telephone interviews for outcome assessments and continue to administer the lifestyle intervention. These procedures will enable us to analyze the effects of the intervention on serious cardiovascular- related factors and complications, and cost-effectiveness of the intervention.
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|Rushing, J; Wing, R; Wadden, T A et al. (2017) Cost of intervention delivery in a lifestyle weight loss trial in type 2 diabetes: results from the Look AHEAD clinical trial. Obes Sci Pract 3:15-24|
|Beavers, Kristen M; Leng, Iris; Rapp, Stephen R et al. (2017) Effects of Longitudinal Glucose Exposure on Cognitive and Physical Function: Results from the Action for Health in Diabetes Movement and Memory Study. J Am Geriatr Soc 65:137-145|
|Chao, Ariana M; Wadden, Thomas A; Gorin, Amy A et al. (2017) Binge Eating and Weight Loss Outcomes in Individuals with Type 2 Diabetes: 4-Year Results from the Look AHEAD Study. Obesity (Silver Spring) 25:1830-1837|
|Johnson, Karen C; Bray, George A; Cheskin, Lawrence J et al. (2017) The Effect of Intentional Weight Loss on Fracture Risk in Persons With Diabetes: Results From the Look AHEAD Randomized Clinical Trial. J Bone Miner Res 32:2278-2287|
|Look AHEAD Research Group (2017) Effects of a long-term lifestyle modification programme on peripheral neuropathy in overweight or obese adults with type 2 diabetes: the Look AHEAD study. Diabetologia 60:980-988|
|Belalcazar, L Maria; Ballantyne, Christie M (2017) Looking Back at Look AHEAD Through the Lens of Recent Diabetes Outcome Trials. Circulation 135:720-723|
|Houston, Denise K; Neiberg, Rebecca H; Miller, Michael E et al. (2017) Physical Function Following a Long-Term Lifestyle Intervention among Middle Aged and Older Adults with Type 2 Diabetes: the Look AHEAD Study. J Gerontol A Biol Sci Med Sci :|
|Espeland, Mark A; Luchsinger, José A; Baker, Laura D et al. (2017) Effect of a long-term intensive lifestyle intervention on prevalence of cognitive impairment. Neurology 88:2026-2035|
|Rapp, Stephen R; Luchsinger, Jose A; Baker, Laura D et al. (2017) Effect of a Long-Term Intensive Lifestyle Intervention on Cognitive Function: Action for Health in Diabetes Study. J Am Geriatr Soc 65:966-972|
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