60
Participants
Start Date
December 31, 2005
Primary Completion Date
December 31, 2015
Study Completion Date
December 31, 2015
Aspirin
325mg, one tablet orally, six months
Placebo
325mg, one tablet orally every day, 6 months
VA Puget Sound Health Care Service, Seattle
Fred Hutchinson Cancer Center
OTHER
University of Washington
OTHER