| Recruiting | 4 | 20000 | US | Atorvastatin 40 Mg Oral Tablet, Lipitor, Placebo oral tablet | Duke University, National Institute on Aging (NIA), National Heart, Lung, and Blood Institute (NHLBI), Wake Forest University Health Sciences | Cognitive Impairment, Mild, Dementia, Cardiovascular Diseases | 12/26 | 12/26 | | |
| Recruiting | 4 | 7410 | US | Metformin XR, Placebo | VA Office of Research and Development | Prediabetic State, Atherosclerosis, Metformin | 03/29 | 03/29 | | |