Observational Aspirin Use and CVD in the Physicians' Health Study


Phase N/A Results N/A

Summary of Purpose

To analyze existing data from the Physicians Health Study (PHS), a randomized primary prevention trial of low-dose aspirin and beta carotene conducted among 22,071 U.S. male physicians, to address questions concerning aspirin and cardiovascular (CV) disease that could not adequately be addressed during the randomized aspirin period.

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Trial Milestones

The following dates are available for this trial. Trial information last updated on 15 March 2016.

1 Apr 1998 25 May 2000 Unavailable 1 Mar 2001 1 Aug 2004 Unavailable
Start Date First Received 1st Completion Completion Verification Results

Trial Design

  • Observation: Natural History


Not available