Journal
DIABETES CARE
Volume 25, Issue 4, Pages 652-657Publisher
AMER DIABETES ASSOC
DOI: 10.2337/diacare.25.4.652
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OBJECTIVE - To determine the effect of a high-protein (HP) diet compared with a low-protein (LP) diet on weight loss, resting energy expenditure (REE), and the thermic effect of food (TEF) in subjects with type 2 diabetes during moderate energy restriction RESEARCH DESIGN AND METHODS - In this study, 26 obese subjects with type 2 diabetes consumed a HP (28% protein, 42% carbohydrate) or LP diet (16% protein, 55% carbohydrate) during 8 weeks of energy restriction (1,600 kcal/day) and 4 weeks of energy balance. Body weight and composition and REE were measured, and the TEF in response to a I or LP meal was determined for 2 h, at weeks 0 and 12, RESULTS - The mean weight loss was 4.6 +/- 0.4, (P < 0.001), of which 4.5 +/- 0 4 kg was fat (P < 0.001), with no effect of diet (P = 0.6). At both weeks 0 and 12, TEF was greater after the lip than after the LP meal (0.064 vs, 0.050 kcal . kcal(-1) energy consumed . 2 h(-1), respectively overall diet effect, P = 0.003). REE and TEF were reduced similarly with each of the diets (time effects, P = 0.02 and P < 0.001, respectively). CONCLUSIONS - in patients with type 2 diabetes, a low-fat diet with an increased protein-to-carbohydrate ratio does not significantly increase weight loss or blunt the fall in REE.
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