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January 1, 2008Journal of Pharmacological SciencesOpen Access

Basic and Translational Research on Proteinase-Activated Receptors: Antagonism of the Proteinase-Activated Receptor 1 for Thrombin, a Novel Approach to Antiplatelet Therapy for Atherothrombotic Disease

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Key result

The novel PAR1 antagonist SCH 530348 demonstrated potent antiplatelet activity without increasing bleeding risk (2.8% vs 3.3% for placebo) when added to standard therapy in a phase 2 trial.

Why the study?

Does the PAR1 antagonist SCH 530348 reduce ischemic events without increasing bleeding risk in patients with atherothrombotic disease?

Population

Patients with atherothrombotic disease and preclinical models of thrombosis

Comparison

PAR1 antagonist SCH 530348 added to standard… vs Standard antiplatelet therapy alone

Design

Review

Authors

MCMadhu ChintalaJohnson & Johnson (United States)KSKenji ShimizuNikon (Japan)MOMasami OgawaOsaka Gakuin University

Discussion

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Implication

Phase 2 data on SCH 530348 justify phase 3 trials; leaves open net clinical benefit in atherothrombotic disease.

Structured PICO

Does the PAR1 antagonist SCH 530348 reduce ischemic events without increasing bleeding risk in patients with atherothrombotic disease?

P
Population
A review of preclinical and early clinical data for the novel PAR1 antagonist SCH 530348 in the treatment of atherothrombotic disease.
I
Intervention
PAR1 antagonist SCH 530348 added to standard antiplatelet therapy
C
Comparator
Standard antiplatelet therapy alone (aspirin and/or clopidogrel)
O
Outcome
Ischemic events and bleeding risk

PAR1 antagonism with SCH 530348 is a novel antiplatelet strategy that shows promise in early studies for reducing atherothrombotic events without increasing bleeding risk.

Cite This Study

Chintala et al. (2008) conducted a review in Atherothrombotic disease. SCH 530348 vs. Placebo / Standard of care was evaluated. The novel PAR1 antagonist SCH 530348 demonstrated potent antiplatelet activity without increasing bleeding risk (2.8% vs 3.3% for placebo) when added to standard therapy in a phase 2 trial.

synapsesocial.com/papers/6a79bb4e14b028facf0df3c7https://doi.org/10.1254/jphs.08r06fm

Topics

Dual antiplatelet therapy
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Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Clopidogrel and Aspirin versus Aspirin Alone for the Prevention of Atherothrombotic Events2006 · 2,837 citations
  2. 2Thrombin functions during tissue factor–induced blood coagulation2002 · 393 citations
  3. 3Development of a Potent Thrombin Receptor Ligand1995 · 60 citations