| Completed | 2 | 103 | US | Simvastatin, Zocor, Placebo | University of Wisconsin, Madison, National Institute on Aging (NIA), Paul Beeson Faculty Scholars Program, The John A. Hartford Foundation, The Atlantic Philanthropies, Starr Foundation, American Federation for Aging Research, Merck Sharp & Dohme LLC | Alzheimer Disease | 06/09 | 06/09 | | |