2,206
Participants
Start Date
June 30, 1993
Primary Completion Date
June 30, 2000
Study Completion Date
November 30, 2001
Active Aspirin
325mg tablet daily
Active Warfarin
2mg scored tablet daily
Aspirin placebo
325mg aspirin placebo pill
Warfarin placebo
2mg scored placebo tablet
Columbia University Health Sciences, New York
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Columbia University
OTHER