Adjunct to diet & exercise to improve glycemic control in patients w/ type 2 DM. In combination w/ metformin, sulfonylurea & PPARγ agonist (eg, thiazolidinediones) as initial therapy or when the single agent alone; or dual therapy w/ metformin & sulfonylurea, w/ diet & exercise do not provide adequate glycemic control in patients w/ type 2 DM. Add-on to insulin (w/ or w/o metformin) when diet & exercise plus stable insulin dose do not provide adequate glycemic control.