What question did this study set out to answer?

This research aims to evaluate the cardiovascular risk associated with clopidogrel use alongside proton pump inhibitors (PPIs) of varying CYP2C19 inhibition potency.

March 7, 2026

Comparison of Cardiovascular Events in Patients Receiving Concomitant Clopidogrel and Proton Pump Inhibitors Classified by CYP2C19 Inhibitory Potency

Resultado clave

Concomitant use of clopidogrel with strong CYP2C19-inhibiting PPIs did not increase cardiovascular risk compared to weak/non-inhibiting PPIs.

Puntos clave

This research aims to evaluate the cardiovascular risk associated with clopidogrel use alongside proton pump inhibitors (PPIs) of varying CYP2C19 inhibition potency.
Large-scale observational study
Comparison of cardiovascular events
Categorization of PPIs into strong and weak CYP2C19 inhibitors
Analysis of patient outcomes
No increased cardiovascular risk with strong CYP2C19-inhibiting PPIs compared to weak/non-inhibiting PPIs
Findings suggest minimal clinical significance of PPI and clopidogrel interactions

PICO estructurado

Does concomitant use of clopidogrel and strong CYP2C19-inhibiting PPIs increase cardiovascular risk compared to weak or non-CYP2C19-inhibiting PPIs in patients on clopidogrel?

Población

Patients receiving concomitant clopidogrel and proton pump inhibitors (PPIs)

Intervención

Concomitant use of clopidogrel and strong CYP2C19-inhibiting PPIs

Comparador

Concomitant use of clopidogrel and weak or non-CYP2C19-inhibiting PPIs

Resultado

Cardiovascular eventshard clinical

This study suggests that the theoretical pharmacokinetic interaction between clopidogrel and strong CYP2C19-inhibiting PPIs does not translate into a clinically significant increase in cardiovascular risk.

Resultado numérico

Tasa de eventos absoluta: 0% vs 0%

Resumen

Concomitant use of clopidogrel and strong CYP2C19-inhibiting PPIs was not associated with a higher cardiovascular risk compared with concomitant use of clopidogrel and weak or non-CYP2C19-inhibiting PPIs. This large-scale study does not support the clinical significance of potential interactions between PPIs and clopidogrel.

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