| Completed | 3 | 418 | Europe | Pioglitazone and Metformin, ACTOS®, AD4833, Metformin | Takeda | Diabetes Mellitus | 02/08 | 02/08 | | |
| Terminated | 3 | 40 | Europe | Pioglitazone, Placebo | French National Agency for Research on AIDS and Viral Hepatitis | Chronic Hepatitis C, Insulin Resistance | 07/12 | 07/12 | | |
| Completed | 2/3 | 76 | US | atorvastatin and pioglitazone, atorvastatin: lipitor, pioglitazone: actos, atorvastatin/placebo, pioglitazone/placebo, placebo/placebo | Brigham and Women's Hospital, National Heart, Lung, and Blood Institute (NHLBI) | Arterial Occlusive Disease, Intermittent Claudication, Insulin Resistance | 11/10 | 12/11 | | |