Patient freedom to choose a weight loss diet in the treatment of overweight and obesity: a randomized dietary intervention in type 2 diabetes and pre-diabetes

This 2014 randomized controlled trial assessed whether allowing patients with type 2 diabetes or pre-diabetes the freedom to choose and switch among three diets (CSIRO, South Beach, Mediterranean) over 12 months would improve adherence and weight loss compared to assigning a fixed diet (CSIRO only). Among 144 participants (BMI >27),