4.6 Review

De-escalation of antiplatelet therapy in acute coronary syndromes: Why, how and when?

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Role of platelet function and genetic testing in patients undergoing percutaneous coronary intervention

Mattia Galli et al.

Summary: Dual antiplatelet therapy (DAPT) is the standard treatment for patients undergoing percutaneous coronary intervention (PCI). However, using a standard DAPT regimen for all patients could result in suboptimal efficacy or high bleeding risk for certain individuals. Guided selection of P2Y12 inhibitors based on platelet function or genetic testing has shown promising results in achieving a better balance between bleeding and ischemic events at the individual patient level. This review focuses on the rationale and evidence for platelet function and genetic testing-guided antiplatelet therapy and explores their implications in the modern setting of patients undergoing PCI.

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Comparative effects of guided vs. potent P2Y(12) inhibitor therapy in acute coronary syndrome: a network meta-analysis of 61 898 patients from 15 randomized trials

Mattia Galli et al.

Summary: This study evaluates the safety and efficacy of guided vs. routine selection of potent P2Y(12) inhibitors in patients with acute coronary syndrome (ACS). The findings suggest that a guided selection of P2Y(12) inhibiting therapy provides a more favorable balance between safety and efficacy compared to routine selection.

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Article Cardiac & Cardiovascular Systems

Short Duration of DAPT Versus De-Escalation After Percutaneous Coronary Intervention for Acute Coronary Syndromes

Claudio Laudani et al.

Summary: This study compares the effectiveness of short dual antiplatelet therapy (DAPT) and de-escalation in patients with acute coronary syndrome (ACS) undergoing percutaneous coronary intervention (PCI). The results suggest that de-escalation reduces the risk of adverse cardiovascular events, while short DAPT decreases the occurrence of major bleeding.

JACC-CARDIOVASCULAR INTERVENTIONS (2022)

Article Cardiac & Cardiovascular Systems

ABCD-GENE Score and Clinical Outcomes Following Percutaneous Coronary Intervention: Insights from the TAILOR-PCI Trial

Davide Capodanno et al.

Summary: The ABCD-GENE score can identify high-risk patients who undergo percutaneous coronary intervention and use clopidogrel. It has the potential to improve the selection of P2Y(12) inhibitors, but further research is needed to confirm its effectiveness.

JOURNAL OF THE AMERICAN HEART ASSOCIATION (2022)

Review Cardiac & Cardiovascular Systems

Bleeding avoidance strategies in percutaneous coronary intervention

Davide Capodanno et al.

Summary: As the field of PCI advances, the importance of bleeding in treatment is increasingly recognized, being seen as having equally unfavorable prognostic implications as ischemic or thrombotic complications. Therefore, strategies focusing on maximizing treatment efficacy while minimizing safety concerns such as bleeding have become increasingly important.

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Article Cardiac & Cardiovascular Systems

Guided and unguided de-escalation from potent P2Y12 inhibitors among patients with acute coronary syndrome: a meta-analysis

Anne H. Tavenier et al.

Summary: Based on analysis of five randomized controlled trials, DAPT de-escalation was associated with significant reduction in bleeding events and major adverse cardiac events compared to standard DAPT. Both unguided and guided DAPT de-escalation strategies, whether guided by genetic testing or platelet function testing (PFT), showed consistent lowering rates of bleeding and ischemic events.

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Comparison of Clopidogrel Monotherapy After 1 to 2 Months of Dual Antiplatelet Therapy With 12 Months of Dual Antiplatelet Therapy in Patients With Acute Coronary Syndrome The STOPDAPT-2 ACS Randomized Clinical Trial

Hirotoshi Watanabe et al.

Summary: In patients with acute coronary syndrome (ACS) undergoing percutaneous coronary intervention (PCI), clopidogrel monotherapy after 1 to 2 months of dual antiplatelet therapy (DAPT) did not demonstrate noninferiority to 12 months of DAPT for the composite end point of cardiovascular and bleeding events.

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Review Pharmacology & Pharmacy

Precision medicine in interventional cardiology: implications for antiplatelet therapy in patients undergoing percutaneous coronary intervention

Mattia Galli et al.

Summary: Precision medicine proposes customized treatments for individual patients instead of a one-size-fits-all model. While widely adopted in cancer medicine, implementing precision medicine in cardiovascular medicine is more challenging. Personalized antiplatelet therapy is crucial for cardiovascular patients, but it is associated with bleeding risks. This review discusses the rationale, evidence, and future directions in personalizing antiplatelet treatment for patients undergoing percutaneous coronary intervention.

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Bleeding Complications in Patients Undergoing Percutaneous Coronary Intervention

Mattia Galli et al.

Summary: Percutaneous coronary intervention (PCI) is a relatively safe procedure, but is inevitably associated with short and mid-to-long term increased bleeding risk. Bleeding is an important prognostic factor and it is important to study strategies for reducing bleeding.

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Review Cardiac & Cardiovascular Systems

Antiplatelet therapy after percutaneous coronary intervention

Dominick J. Angiolillo et al.

Summary: Antiplatelet therapy is crucial for reducing thrombotic complications and ischemic events in patients undergoing percutaneous coronary interventions (PCI), but it is also associated with increased risk of bleeding. Advances in stent technologies and understanding of bleeding risks have led to the development of personalized antiplatelet treatment regimens. Recent research and guidelines have provided several options for antiplatelet therapy after PCI.

EUROINTERVENTION (2022)

Article Cardiac & Cardiovascular Systems

Duration of dual antiplatelet therapy and subsequent monotherapy type in patients undergoing drug-eluting stent implantation: a network meta-analysis

Stefano Benenati et al.

Summary: Short and very short DAPT have similar efficacy to standard DAPT after DES implantation, while extended DAPT reduces the risk of MI. Very short DAPT followed by a P2Y(12) inhibitor is preferred to balance major bleeding and ischemic events.

EUROPEAN HEART JOURNAL-CARDIOVASCULAR PHARMACOTHERAPY (2022)

Article Cardiac & Cardiovascular Systems

Very short vs. long dual antiplatelet therapy after second generation drug-eluting stents in 35 785 patients undergoing percutaneous coronary interventions: a meta-analysis of randomized controlled trials

Stefano Benenati et al.

Summary: Compared with long-term DAPT, very short-term DAPT did not increase the odds of ischemic complications in PCI patients, while reducing the odds of major or any bleeding by over 30%.

EUROPEAN HEART JOURNAL-CARDIOVASCULAR PHARMACOTHERAPY (2021)

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2020 ESC Guidelines for the management of acute coronary syndromes in patients presenting without persistent ST-segment elevation

Jean-Philippe Collet et al.

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Evolution of antithrombotic therapy in patients undergoing percutaneous coronary intervention: a 40-year journey

Davide Cao et al.

Summary: Since its introduction in 1977, percutaneous coronary intervention has become one of the most commonly performed therapeutic procedures worldwide, with antithrombotic agents playing a crucial role in patient management. The past 40 years have seen significant advancements in interventional cardiology in both drug therapies and device technologies.

EUROPEAN HEART JOURNAL (2021)

Review Pharmacology & Pharmacy

Safety and efficacy of P2Y12 inhibitor monotherapy in patients undergoing percutaneous coronary interventions

Mattia Galli et al.

Summary: Studies have shown that P2Y(12) inhibitor monotherapy after a brief course of DAPT can reduce the risk of bleeding while still preventing thrombotic complications in patients undergoing PCI.

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Editorial Material Cardiac & Cardiovascular Systems

Guided selection of antiplatelet therapy in acute coronary syndrome: Impact on outcomes and resource utilization

Mattia Galli et al.

INTERNATIONAL JOURNAL OF CARDIOLOGY (2021)

Review Pharmacology & Pharmacy

Genetic testing in patients undergoing percutaneous coronary intervention: rationale, evidence and practical recommendations

Mattia Galli et al.

Summary: The study highlights the rationale for using genetic testing to guide the selection of platelet P2Y(12) inhibitors in patients undergoing PCI, with a focus on the impact of cytochrome P450 (CYP) 2C19 gene variations on clopidogrel metabolism and response profiles. It suggests that implementing genetic testing can lead to either escalation (switching to prasugrel or ticagrelor) or de-escalation (switching to clopidogrel) of P2Y(12) inhibiting therapy for better clinical outcomes in PCI patients.

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P2Y12 inhibitor monotherapy or dual antiplatelet therapy after coronary revascularisation: individual patient level meta-analysis of randomised controlled trials

Marco Valgimigli et al.

Summary: The study assessed the risks and benefits of P2Y(12) inhibitor monotherapy compared with dual antiplatelet therapy, finding that P2Y(12) inhibitor monotherapy was associated with lower risk of primary ischemic endpoints and lower bleeding risk compared to DAPT.

BMJ-BRITISH MEDICAL JOURNAL (2021)

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Pascal Vranckx et al.

Summary: This study analyzed the outcomes of dual antiplatelet therapy after coronary drug-eluting stent placement in patients with stable coronary artery disease (SCAD) and acute coronary syndromes (ACS). It was found that the experimental strategy could reduce bleeding risk in ACS patients, but the effect was not significant in SCAD patients.

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Aspirin-Free Prasugrel Monotherapy Following Coronary Artery Stenting in Patients With Stable CAD The ASET Pilot Study

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A Genotype-Guided Strategy for Oral P2Y12 Inhibitors in Primary PCI

Daniel M. F. Claassens et al.

NEW ENGLAND JOURNAL OF MEDICINE (2019)

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Role of genetic testing in patients undergoing percutaneous coronary intervention

Jae Youn Moon et al.

EXPERT REVIEW OF CLINICAL PHARMACOLOGY (2018)

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Evolution of Coronary Stent Technology and Implications for Duration of Dual Antiplatelet Therapy

Jae Youn Moon et al.

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Editorial Material Medicine, General & Internal

Dual antiplatelet therapy guided by platelet function testing

Dominick J. Angiolillo

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Efficacy and Safety of Dual Antiplatelet Therapy After Complex PCI

Gennaro Giustino et al.

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Body Mass Index and Platelet Reactivity During Dual Antiplatelet Therapy With Clopidogrel or Ticagrelor

Matteo Nardin et al.

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Impaired Responsiveness to the Platelet P2Y12 Receptor Antagonist Clopidogrel in Patients With Type 2 Diabetes and Coronary Artery Disease

Dominick J. Angiolillo et al.

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Platelet Function Profiles in Patients with Diabetes Mellitus

Fabiana Rollini et al.

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Reduced-Function CYP2C19 Genotype and Risk of Adverse Clinical Outcomes Among Patients Treated With Clopidogrel Predominantly for PCI A Meta-analysis

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Ticagrelor versus Clopidogrel in Patients with Acute Coronary Syndromes

Lars Wallentin et al.

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Prasugrel versus clopidogrel in patients with acute coronary syndromes

Stephen D. Wiviott et al.

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