Women's Estrogen for Stroke Trial (WEST)


Phase 3 Results

Summary of Purpose

To determine if estrogen hormone replacement therapy reduces the risk of stroke or death in postmenopausal women who have already had stroke or a transient ischemic attack (TIA).

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Trial Milestones

The following dates are available for this trial. Trial information last updated on 12 May 2006.

1 Dec 1993 7 Nov 2001 Unavailable Unavailable 1 Nov 2005 Unavailable
Start Date First Received 1st Completion Completion Verification Results

Trial Design

  • Allocation: Randomized
  • Masking: Double-Blind


  • Lawrence M. Brass, MD, Women’s Estrogen for Stroke Trial, Yale University School of Medicine, 123 York St, New Haven, CT 06511.