39,876
Participants
Start Date
September 30, 1992
Primary Completion Date
March 31, 2004
Study Completion Date
February 28, 2005
Aspirin
Participants will receive 100 mg of aspirin every other day.
Vitamin E
Participants will receive 600 IU of vitamin E every other day.
Placebo
Participants will receive placebo.
National Cancer Institute (NCI)
NIH
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Brigham and Women's Hospital
OTHER