Adjunct to diet & exercise to improve glycemic control as monotherapy in patients w/ type 2 DM & for whom metformin is contraindicated or not tolerated; or in combination w/ metformin, sulfonylurea, or PPARγ agonist (ie, thiazolidinedione) as initial therapy, or combination w/ metformin & sulfonylurea, or metformin & PPARγ agonist (ie, thiazolidinedione), when single agent alone or dual therapy, w/ maximal tolerated dose of sulfonylurea, w/ diet & exercise, does not provide adequate glycemic control. Adjunct to diet & exercise to improve glycemic control in combination w/ insulin (w/ or w/o metformin).