Title: "The effects of a whole grain-enriched hypocaloric diet on cardiovascular disease risk factors in men and women with metabolic syndrome"

Heather I Katcher, Richard S Legro, Allen R Kunselman, Peter J Gillies, Laurence M Demers, Deborah M Bagshaw, and Penny M Kris-Etherton

Am J Clin Nutr 2008;87:79-90 (preprint obtained from one of the authors)

Note: the paper studies two groups for 12 weeks using two hypocaloric diets with about 55% carbs (whole grains) and the other with about 50% carbohydrates (refined grain produce). Both diets had 500kcal deficit. The macronutrient contents was similar.