A large NIH-sponsored trial has found that an intensive lifestyle intervention was no better than standard care in reducing cardiovascular events in people with type 2 diabetes. The results of the Look AHEAD trial were presented today at the American Diabetes Association meeting and published simultaneously in the New England Journal of Medicine.
5,145 people with type 2 diabetes were randomized to either an intensive lifestyle intervention, focusing on weight loss through a low-calorie diet and increased exercise, or conventional diabetes care. Trial investigators had planned to run the study for as long as 13.5 years, in the hope of finding a significant difference in the rate of major cardiovascular events (death from cardiovascular causes, nonfatal MI, nonfatal stroke, or hospitalization for angina). However, after 9.6 years of followup the data and safety monitoring board performed an analysis and recommended that the trial be stopped for futility.
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