Overview Aspirin Or Warfarin To Prevent Stroke Status: Terminated Trial end date: 2003-07-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether aspirin or warfarin is more effective in preventing stroke in patients with intracranial stenosis. Phase: Phase 3 Details Lead Sponsor: National Institute of Neurological Disorders and Stroke (NINDS)Treatments: AspirinWarfarin