The Thrombin Receptor Antagonist for Clinical Event Reduction in Acute Coronary Syndrome (TRA*CER) trial: study

    American Heart Journal
    |August 25, 2009
    PubMed
    Abstract

    Insights

    The TRA*CER trial investigates SCH 530348, a novel protease-activated receptor-1 (PAR-1) antagonist, for treating high-risk patients with non-ST-segment elevation acute coronary syndromes (NSTE ACS). This study aims to define its efficacy and safety in reducing cardiovascular events.

    Area of Science:

    • Cardiovascular Medicine
    • Pharmacology
    • Clinical Trials

    Background:

    • Protease-activated receptor 1 (PAR-1) is a key platelet receptor for thrombin and a novel target for arterial thrombosis treatment.
    • SCH 530348 is an orally active, selective, competitive PAR-1 antagonist.
    • Non-ST-segment elevation acute coronary syndromes (NSTE ACS) with high-risk features require effective therapeutic strategies.

    Purpose of the Study:

    • To evaluate the efficacy and safety of SCH 530348 compared with placebo in patients with NSTE ACS and high-risk features.
    • To demonstrate SCH 530348's ability to reduce the incidence of major adverse cardiovascular events when added to standard care.
    • To assess the safety profile of SCH 530348, including bleeding events.

    Main Methods:

    • TRA*CER is a prospective, randomized, double-blind, multicenter, phase III trial.
    • The study includes approximately 10,000 subjects.
    • Primary endpoint: composite of cardiovascular death, myocardial infarction (MI), stroke, recurrent ischemia with rehospitalization, and urgent coronary revascularization. Key secondary endpoint: composite of cardiovascular death, MI, or stroke. Safety endpoints include bleeding events.

    Main Results:

    • Results are pending completion of the trial, which requires a predetermined number of adjudicated primary and key secondary endpoint events.
    • The trial is designed to provide definitive data on the efficacy and safety of SCH 530348 in the target population.
    • The study will continue until all subjects have at least 1 year of follow-up.

    Conclusions:

    • The TRA*CER trial is expected to define the efficacy and safety of the novel PAR-1 inhibitor SCH 530348.
    • Findings will inform treatment strategies for high-risk NSTE ACS patients.
    • This study is part of a larger phase III development program for SCH 530348.

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