630
Participants
Start Date
June 30, 1993
Primary Completion Date
June 30, 2000
Study Completion Date
June 30, 2000
Warfarin
Warfarin once a day, titrated to obtain an INR of 1.4 to 2.8; placebo aspirin once a day
Aspirin
Aspirin 325 mg once a day; placebo warfarin once a day
Columbia College of Physicians and Surgeons, New York
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Columbia University
OTHER