Precision Antiplatelet Therapy in PCI: Balancing Thrombosis and Bleeding Through Rapid CYP2C19 Genotyping
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Description

Dual antiplatelet therapy (DAPT) with aspirin and a P2Y12 inhibitor is standard of care following percutaneous coronary intervention (PCI), however, contemporary practice continues to rely heavily on one-size-fits-all antiplatelet strategies, despite well-established interpatient variability in platelet response and clinical risk. 

A major contributor to this variability is genetic polymorphism of the CYP2C19 enzyme, which governs clopidogrel activation. Approximately one-third of patients undergoing PCI carry loss of function CYP2C19 alleles, placing them at increased risk for high on treatment platelet reactivity and ischemic complications when treated with clopidogrel. Conversely, more potent P2Y12 inhibitors provide consistent platelet inhibition across genotypes but are associated with higher bleeding risk, particularly in patients who would otherwise respond adequately to clopidogrel. Bleeding avoidance is as critical as ischemic prevention in optimizing PCI outcomes.

Recent studies demonstrate that genotype-guided antiplatelet strategies can reduce ischemic events in CYP2C19 loss of function allele carriers without increasing bleeding risk, while allowing safe deescalation to clopidogrel in noncarriers. Join a multidisciplinary panel of experts to discuss the clinical challenges of DAPT in PCI, evidence for gene-guided therapy, and case-based strategies for implementing rapid genetic testing.

Panelists
Thurssday, September 10, 2026
6:00 pm Eastern, 5:00 pm Central, 4:00 pm Mountain, 3:00 pm Pacific

Roxana Mehran, MD
Moderator

Dominick J. Angiolillo, MD, PhD
The Clinical Challenge of DAPT in PCI 
Larisa H. Cavallari, PharmD, FCCP
Case‑Based Implementation of Rapid Genetic Testing 
Naveen L. Pereira, MD
Evidence and Guidelines for CYP2C19‑Guided Therapy 
Learning Objectives
At the end of this activity, participants will be able to:

1. Explain the impact of CYP2C19 genetic variants on clopidogrel efficacy and thrombotic risk.
2. Evaluate the risks of high versus low platelet reactivity and in individualized DAPT selection.
3. Appraise key clinical trials and current guideline and consensus recommendations for CYP2C19 testing in PCI.
4. Implement appropriate antiplatelet therapy de-escalation or escalation.
Acknowledgement of Commercial Support
This activity is supported by an unrestricted educational grant from Geomatix.
Continuing Education Information

Accreditation Statement
The Society for Cardiovascular Angiography and Interventions (SCAI) is accredited by the 
Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

​Credit Designation
SCAI designates this live activity for a maximum of 1 AMA PRA Category 1 Credits™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

​ABIM MOC
Successful completion of this CME activity, which includes participation in the evaluation component, enables the participant to earn up to 1 medical knowledge MOC points in the American Board of Internal Medicine's (ABIM) Maintenance of Certification (MOC) program. Participants will earn MOC points equivalent to the amount of CME credits claimed for the activity. It is the CME activity provider's responsibility to submit participant completion information to ACCME for the purpose of granting ABIM MOC credit.

Successful Completion
Participate in the live activity and complete the evaluation to obtain credit.

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Copyright
© 2026 Society for Cardiovascular Angiography and InterventionsTM (SCAI). All rights reserved.
Summary
Availability:
Registration Required
Expires on Dec 31, 2026
Location:
Online Meeting
Date / Time:
Sep 10, 2026 6:00 PM - 7:00 PM ET
Cost:
FREE
Credit Offered:
1 CME Credit
1 ABIM-MOC Point
1 Participation Credit
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