A Precision Medicine Approach to Identify Patients Undergoing Elective PCI at Risk of Peri-PCI Myocardial Infarction

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

500 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-05-23

Study Completion Date

2027-08-31

Brief Summary

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Despite the relative safety of PCI with new generation stents, peri-PCI thrombotic complications, including myocardial infarction and myocardial injury, are common in elective PCI, occurring in up to 30% of patients. Importantly, these events are associated with poor prognosis. The risk of peri-PCI myocardial infarction/myocardial injury has been in part attributed to HPR. The aim of this study is to prospectively validate the accuracy of the ABCD-GENE score in identifying stable CAD patients undergoing elective PCI treated with standard of care clopidogrel who are at risk of peri-PCI myocardial infarction/myocardial injury. This investigation will be a prospective cohort study conducted in a population of patients (n=500) with stable CAD undergoing elective PCI treated with standard of care clopidogrel. By integrating genetic data with clinical variables, patients will be stratified into 2 cohorts based on their ABCD-GENE score (using a cut-off of 10). Assessments to define HPR status and myocardial infarction/myocardial injury will be performed post-PCI.

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Detailed Description

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Antiplatelet therapy with aspirin and a P2Y12 inhibitor is the cornerstone of treatment for patients undergoing percutaneous coronary intervention (PCI). Clopidogrel is the recommended P2Y12 inhibitor in patients with stable coronary artery disease (CAD) undergoing elective PCI. However, clopidogrel effects are subject to variability and 30-40% of patients have high platelet reactivity (HPR), which translates into higher rates of thrombotic complications. Despite the relative safety of PCI with new generation stents, peri-PCI thrombotic complications, including myocardial infarction and myocardial injury, are common in elective PCI, occurring in up to 30% of patients. Importantly, these events are associated with poor prognosis. The risk of peri-PCI myocardial infarction/myocardial injury has been in part attributed to HPR. The investigators recently developed a precision medicine tool integrating clinical and genetic factors called ABCD-GENE able to identify HPR status. This score helps characterize patients at risk for peri-PCI thrombotic complications, who can thus potentially benefit from changes in antiplatelet treatment regimen. However, the ABCD-GENE score was generated through retrospective assessments, thus warranting prospective validation. The high frequency of elective PCI procedures and the prevalence with which myocardial infarction/myocardial injury occurs underscore the need for tools that can better identify patients at risk so that therapeutic measures can be implemented to improve their prognosis. The aim of this study is to prospectively validate the accuracy of the ABCD-GENE score in identifying stable CAD patients undergoing elective PCI treated with standard of care clopidogrel who are at risk of peri-PCI myocardial infarction/myocardial injury. This investigation will be a prospective cohort study conducted in a population of patients (n=500) with stable CAD undergoing elective PCI treated with standard of care clopidogrel. By integrating genetic data with clinical variables, patients will be stratified into 2 cohorts based on their ABCD-GENE score (using a cut-off of 10). Assessments to define HPR status and myocardial infarction/myocardial injury will be performed post-PCI.

Conditions

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Coronary Artery Disease

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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High ABCD-GENE score (≥10)

All patients in this cohort will have an ABCD-GENE score ≥10 and will be receiving clopidogrel following PCI as per standard of care.

The ABCD-GENE score encompasses a total of 5 variables: 4 clinical (age, body mass index, chronic kidney disease status, and diabetes mellitus) and 1 genetic (CYP2C19 LOF).