Harmonizing Optimal Strategy for Treatment of Coronary Artery Stenosis - Coronary Intervention With Next Generation Drug-Eluting Stent Platforms and Abbreviated Dual Antiplatelet Therapy (HOST-IDEA) Trial

Detailed Summary

We had little experience in coronary intervention with recently introduced newer drug-eluting stent (DES) platforms, despite great anticipation, and optimal duration of dual antiplatelet therapy (DAPT) for these stent systems still needs to be established. Herein, we plan the HOST-coronary intervention with next-generation drug-eluting stent platforms and abbreviated dual antiplatelet therapy (HOST-IDEA) trial to compare single antiplatelet therapy (SAPT) after 3-month DAPT with 12-month DAPT in all-comers undergoing coronary intervention with third-generation DES with the thinnest struts. P2Y12 inhibitor treatment is added to aspirin during the 3-months period after the stenting, and this abbreviated duration of DAPT will be compared with conventional 1-year mandatory DAPT regimen in a 1:1 randomized stratification. Net adverse clinical events (NACEs), a composite of cardiac death, target vessel related myocardial infarction, clinically-drivent target lesion revascularization, definite or probable stent thrombosis and major bleeding is a primary endpoint for evaluating safety and efficacy of the difference of DAPT duration. 1-year target lesion failure (TLF) as a composite of cardiac death, target vessel related myocardial infarction and clinically driven target lesion revascularization will be identified as a secondary ischemic outcome. 1-year major bleeding events classified as BARC type 3 or 5 bleeding events will be identified as a secondary bleeding outcome. With this trial, you will be able to get clear insight on the behavior of newer DES platforms. Reference data for the shortened mandatory DAPT regimen will also be delineated in the selected patients, and it might be helpful to those who need it.

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