Duration of Platelet Inhibition by Aspirin

Status Completed

Clinical Trial Summary

The well established importance of regular aspirin administration stands on firm grounds, as large meta-analyses have shown this therapy to significantly reduce the risk of death. However, not all patients benefit of aspirin administration to the same extent, thus high-lighting a sub-population of patients with inadequate platelet response to ASA. The mechanisms underlying reduced ASA efficacy remain elusive. A recent report has suggested that platelets, long believed to be incapable of de novo protein synthesis, may retain their ability to form the cyclooxygenase enzyme, once it has been inactivated by aspirin. This may explain the inefficacy of the drug to induce sustained platelet inhibition in certain patients.

The current study aims to evaluate, in patients suffering from stable coronary artery disease, the stability of platelet inhibition by aspirin during the normal once daily dosing regimen.

Clinical Trial Description

n/a

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00671021
Study type	Observational
Source	Hopital du Sacre-Coeur de Montreal
Contact
Status	Completed
Phase	N/A
Start date	July 2008
Completion date	January 2009

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