<qa>  What is the other name of the drug that is used to treat subjects with the same type of- Subjects with the likelihood of requiring concomitant treatment during the study period with the following classes of drugs: additional OHA including thiazolidinediones, α-glucosidase inhibitors, D-phenylalanine derivative other than those specified in the study protocol, insulin preparations other than HMR1964, systemic corticosteroids, other investigational products 