Herudover bevarede rosiglitazon β- cellefunktion demonstreret ved stigning i antallet af de langerhanske øer og insulinindholdet og forhindrede udviklingen af udtalt hyperglykæmi i dyremodeller med diabetes type 2.
In addition, rosiglitazone preserved ß-cell function as shown by increased pancreatic islet mass and insulin content and prevented the development of overt hyperglycaemia in animal models of type 2 diabetes.