Clopidogrel Monotherapy vs. Aspirin Monotherapy Following Short-Term Dual Antiplatelet Therapy in Patients Receiving Everolimus-Eluting Coronary Stent Implantation.

Circulation Journal : Official Journal of the Japanese Circulation Society
Masahiro NatsuakiSTOPDAPT-1 and STOPDAPT-2 Trial Investigators

Abstract

There is a scarcity of data on short-duration dual antiplatelet therapy (DAPT) followed by P2Y12 inhibitor monotherapy as compared with aspirin monotherapy after percutaneous coronary intervention (PCI).Methods and Results:STOPDAPT-1 is a prospective trial enrolling patients who agreed to 3-month DAPT followed by aspirin monotherapy after everolimus-eluting stent (EES) implantation. STOPDAPT-2 is a randomized trial comparing 1-month DAPT followed by clopidogrel monotherapy with 12-month DAPT after EES implantation. We compared the clinical outcomes of patients assigned to the 1-month DAPT group in STOPDAPT-2 and the 3-month DAPT group enrolled in STOPDAPT-1. The current study population consisted of 1,480 patients in STOPDAPT-2 and 1,339 patients in STOPDAPT-1. The primary endpoint was a composite of cardiovascular death, myocardial infarction, stroke, definite stent thrombosis and TIMI major/minor bleeding. Cumulative 1-year incidence of the primary endpoint was not significantly different between STOPDAPT-2 and STOPDAPT-1 (2.3% vs. 2.3%, P=0.98). After adjusting for confounders, there was no excess risk of STOPDAPT-2 relative to STOPDAPT-1 for the primary endpoint. Between 3 and 12 months, the cumulative incidence of primary ...Continue Reading

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Citations

Jul 28, 2020·Circulation Journal : Official Journal of the Japanese Circulation Society·Hiroaki Yokoyama

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