3,069
Participants
Start Date
October 31, 2000
Primary Completion Date
April 30, 2008
Study Completion Date
July 31, 2011
Ginkgo biloba
120mg twice a day
Placebo
One pill twice daily
University of Pittsburgh, Pittsburgh
Johns Hopkins University, Baltimore
University of Pittsburgh/University of Virginia, Charlottesville
University of California, Davis, Sacramento
Wake Forest University School of Medicine, Winston-Salem
Office of Dietary Supplements (ODS)
NIH
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
National Institute on Aging (NIA)
NIH
National Heart, Lung, and Blood Institute (NHLBI)
NIH
National Center for Complementary and Integrative Health (NCCIH)
NIH