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Evaluation of Colorectal Cancer Risk and Prevalence by Stool DNA Integrity Detection

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Clopidogrel Pharmacogenetics.

Naveen L Pereira^1,2, Charanjit S Rihal¹, Derek Y F So³

¹Department of Cardiovascular Medicine (N.L.P., C.S.R., A.L.), Mayo Clinic, Rochester, MN.

Circulation. Cardiovascular Interventions

|April 19, 2019

Summary

This summary is machine-generated.

Genetic testing for CYP2C19 poor metabolizers receiving clopidogrel may reduce adverse cardiovascular events. TAILOR-PCI investigated genotype-guided therapy versus standard care to assess patient outcomes after percutaneous coronary intervention.

Keywords:

clinical trial clopidogrel cytochrome P450 CYP2C19 drug labeling genetics humans pharmacogenetics

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Area of Science:

Pharmacogenomics
Cardiovascular Medicine
Clinical Trials

Background:

CYP2C19 genetic variations (*2, *3 alleles) reduce clopidogrel efficacy.
Loss-of-function alleles increase major adverse cardiovascular events risk, particularly post-percutaneous coronary intervention.
FDA advises caution for CYP2C19 poor metabolizers on clopidogrel, but clinical guidelines lack evidence for routine genotyping.

Purpose of the Study:

To determine if point-of-care genotype-guided antiplatelet therapy improves outcomes compared to routine care.
To assess the benefit of identifying CYP2C19 loss-of-function allele carriers and prescribing alternative antiplatelet therapy.

Main Methods:

TAILOR-PCI was a large, pragmatic, randomized trial.
Compared point-of-care genotype-guided antiplatelet therapy with routine care.
Focused on patients undergoing percutaneous coronary intervention.

Main Results:

Results pending further analysis.
The trial aims to provide prospective evidence for clinical decision-making.
Key outcomes will assess the impact of genotype-guided therapy on cardiovascular events.

Conclusions:

Prospective evidence is needed to guide clinical use of CYP2C19 genotyping for clopidogrel therapy.
TAILOR-PCI seeks to fill this gap by evaluating genotype-guided antiplatelet strategies.
Findings will inform personalized medicine approaches in cardiovascular care.