- Patient with type 2 diabetes mellitus (T2DM) diagnosed for at least 1 year before the screening visit, receiving 1 or 2 OADs that can be Biguanide,Thiazolidinedione (TZD), -Alpha-glucosidase-inhibitor (alpha-GI),Sodium glucose co-transporter 2 (SGLT2) inhibitor,Sulfonylurea (SU),Rapid-acting insulin secretagogue (Glinide),diphenyl-peptidase -4 inhibitor (DPP-4 inhibitor).