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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|Espeland, Mark A; Carmichael, Owen; Yasar, Sevil et al. (2018) Sex-related differences in the prevalence of cognitive impairment among overweight and obese adults with type 2 diabetes. Alzheimers Dement 14:1184-1192|
|Pilla, Scott J; Yeh, Hsin-Chieh; Juraschek, Stephen P et al. (2018) Predictors of Insulin Initiation in Patients with Type 2 Diabetes: An Analysis of the Look AHEAD Randomized Trial. J Gen Intern Med 33:839-846|
|Espeland, Mark A; Dutton, Gareth R; Neiberg, Rebecca H et al. (2018) Impact of a Multidomain Intensive Lifestyle Intervention on Complaints About Memory, Problem-Solving, and Decision-Making Abilities: The Action for Health in Diabetes Randomized Controlled Clinical Trial. J Gerontol A Biol Sci Med Sci 73:1560-1567|
|Hayden, Kathleen M; Baker, Laura D; Bray, George et al. (2018) Long-term impact of intensive lifestyle intervention on cognitive function assessed with the National Institutes of Health Toolbox: The Look AHEAD study. Alzheimers Dement (Amst) 10:41-48|
|Houston, Denise K; Neiberg, Rebecca H; Miller, Michael E et al. (2018) 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 73:1552-1559|
|Brinkley, Tina E; Anderson, Andrea; Soliman, Elsayed Z et al. (2018) Long-Term Effects of an Intensive Lifestyle Intervention on Electrocardiographic Criteria for Left Ventricular Hypertrophy: The Look AHEAD Trial. Am J Hypertens 31:541-548|
|Gregg, Edward W; Lin, Ji; Bardenheier, Barbara et al. (2018) Impact of Intensive Lifestyle Intervention on Disability-Free Life Expectancy: The Look AHEAD Study. Diabetes Care 41:1040-1048|
|Espeland, Mark A; Luchsinger, Jose A; Neiberg, Rebecca H et al. (2018) Long Term Effect of Intensive Lifestyle Intervention on Cerebral Blood Flow. J Am Geriatr Soc 66:120-126|
|Murphy, Cara M; Rohsenow, Damaris J; Johnson, Karen C et al. (2018) Smoking and weight loss among smokers with overweight and obesity in Look AHEAD. Health Psychol 37:399-406|
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