ISAR-SAFE Trial design: Patients with DES PCI received 6 months of open-label DAPT with aspirin and clopidogrel. At 6 months, they were randomized in a.

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ISAR-SAFE Trial design: Patients with DES PCI received 6 months of open-label DAPT with aspirin and clopidogrel. At 6 months, they were randomized in a 1:1 fashion to receive an additional 6 months of DAPT or aspirin alone. Patients were followed for 15 months. Results (p < 0.001)* MACCE for 6 vs. 12 months DAPT: 1.5% vs. 1.6%, pnoninferiority < 0.001 MI: 0.7% vs. 0.7%, p = 0.85; stent thrombosis: 0.3% vs. 0.2%, p = 0.74; all-cause mortality: 0.4% vs. 0.6%, p = 0.37; stroke: 0.4% vs. 0.3%, p = 0.57 TIMI major or minor bleeding: 0.3% vs. 0.7%, p = 0.12 % Conclusions Results indicate that 6 months of DAPT may be noninferior to 12 months of DAPT in patients undergoing DES PCI This trial had to be terminated early due to a significantly lower event rate than anticipated (actual: 1.6%, anticipated: 10%); thus, the results must be viewed within this context MACCE * For noninferiority 6-month DAPT (n = 1,997) 12-month DAPT (n = 2,007) Presented by Dr. Stefanie Schüpke at AHA 2014