 This is a single centre, short term 24 weeks, therapy controlled and randomized prospective study with blinded analysis of the ultrasound data in 28 patients with known coronary artery disease, normal systolic cardiac function and with newly diagnosed type 2 diabetes including impaired glucose tolerance who are treated by 1 oral antidiabetic medication. After recruitment and informed consent, patients are randomized to two treatment arms which takes into account age and presence or absence of therapy with statins. 