Trial to Assess the Effects of Vorapaxar (SCH 530348; MK-5348) in Preventing Heart Attack and Stroke in Patients With Atherosclerosis (TRA 2°P - TIMI 50) (P04737)


Phase 3 Results

Summary of Purpose

The study is designed to determine whether vorapaxar, when added to the existing standard of care (SOC) for preventing heart attack and stroke (eg, aspirin, clopidogrel) in participants with a known history of atherosclerosis, will yield additional benefit over the existing standard of care without vorapaxar in preventing heart attack and stroke. The study is also designed to assess risk of bleeding with...

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Trial Milestones

The following dates are available for this trial. Trial information last updated on 24 April 2015.

1 Sep 2007 6 Sep 2007 1 Dec 2011 1 Dec 2011 1 Apr 2015 16 May 2014
Start Date First Received 1st Completion Completion Verification Results

Trial Design

  • Allocation: Randomized
  • Masking: Double Blind (Subject, Investigator, Outcomes Assessor)
  • Purpose: Prevention
  • Endpoint: Safety/Efficacy Study
  • Intervention: Parallel Assignment


  • SP Clinical Trial Registry Call Center 1-888-772-8734