Randomized, Double-blind, Active-controlled, Study of Rivoglitazone in Type 2 Diabetes Mellitus

0.5 mg tablets administered orally, once daily

1.0 mg tablets administered orally, once daily

1.5 mg tablets administered orally, once daily

placebo tablets matching rivoglitazone tablets administered orally, once daily

15 mg capsules administered orally, once daily

30 mg capsules administered orally, once daily

45 mg capsules administered orally, once daily

placebo capsules for pioglitazone administered orally, once daily

Oral tablets. Rescue medication.