Da rosiglitazon og Avandiqa alene har været godkendt hver for sig Den Europæiske Union EU siden 2000 er undersøgelserne af rosiglitazon alene blev lagt til grund for Avaglim.
As rosiglitazone has been approved on its own in the European Union (EU) since 2000 as Avandia, studies of rosiglitazone on its own were used as the basis for Avaglim.