Monotherapy as an adjunct to diet & exercise to improve glycemic control in patients w/ type 2 DM. Combination therapy w/ metformin, sulfonylurea or PPARγ agonist (eg, thiazolidinediones) to improve glycemic control in patients w/ type 2 DM when monotherapy, w/ diet & exercise, does not provide adequate glycemic control. Combination therapy w/ metformin & sulfonylurea to improve glycemic control in patients w/ type 2 DM when dual therapy w/ these agents, w/ diet & exercise, does not provide adequate glycemic control. Add-on to insulin (w/ or w/o metformin) when diet, exercise & stable insulin dose do not provide adequate glycemic control.