- Stable antihyperglycemic regimens could include a single oral agent (eg, metformin, a sulfonylurea, a thiazolidinediones ketone, a benzoic acid derivatives, a dipeptidyl peptidase-4 inhibitor, or an α-glucosidase inhibitor) with glycated hemoglobin (HbA1c) between 7.0% and 10.0%.