title: Retraction.
abstract: The following article, published online on 19 June 2014 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the authors, the Editor in Chief of Diabetic Medicine, Richard Holt and John Wiley and Sons Ltd. The retraction has been agreed due to notification of dual publication. References Derosa G, Bonaventura A, Bianchi L, Romano D, Fogari E, D'Angelo A, Maffioli P. Comparison of vildagliptin and glimepiride: effects on glycaemic control, fat tolerance and inflammatory markers in people with type 2 diabetes. Diabet Med 2014; 31: 1515-1523. Derosa G, Bonaventura A, Bianchi L, Romano D, Fogari E, D'Angelo A, Maffioli P. Comparison of vildagliptin and glimepiride: effects on glycaemic control, fat tolerance and inflammatory markers in people with type 2 diabetes. Metabolism 2014; 63: 957-967.