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JACC Cardiovasc Interv ; 13(14): 1697-1705, 2020 07 27.
Article in English | MEDLINE | ID: mdl-32703593

ABSTRACT

OBJECTIVES: This study sought to compare next-generation cobalt-chromium-based titanium-nitride-oxide (TiNO)-coated stents with a platinum-chromium-based biodegradable polymer everolimus-eluting stent (EES) in patients with acute coronary syndrome (ACS). BACKGROUND: Previous generation TiNO-coated stents showed acceptable performance in patients with ACS. METHODS: In a multicenter, randomized trial, we randomly assigned 1,491 ACS patients (2:1) to receive either a TiNO-coated stent (n = 989) or EES (n = 502). The primary endpoint was the rate of a composite of cardiac death, myocardial infarction (MI), or ischemia-driven target lesion revascularization at 12-month follow-up. The co-primary endpoint was a composite of cardiac death, MI, or major bleeding at 18 months. RESULTS: A primary endpoint event occurred in 6.3% of patients in the TiNO-coated stent group versus in 7.0% in the EES group (hazard ratio: 0.93; 95% confidence interval: 0.71 to 1.22; p = 0.66 for superiority; p < 0.001 for noninferiority). A co-primary endpoint event occurred in 3.7% of the patients in the TiNO group and in 7.8% in the EES group (hazard ratio: 0.64; 95% confidence interval: 0.51 to 0.80; p = 0.001). TiNO-coated stents were associated with lower rates of cardiac death (0.6% vs. 2.6%; p = 0.002) and MI (2.2% vs. 5.0%; p = 0.007) at 18 months of follow-up. Rates of target lesion revascularization were not significantly different at 18 months (5.8% vs. 4.4%; p = 0.27). CONCLUSIONS: In patients with ACS, cobalt-chromium-based TiNO-coated stents were noninferior to platinum-chromium-based biodegradable polymer EES for major cardiac events at 12 months, and were superior for the co-primary endpoint of cardiac death, MI, and bleeding at 18 months. (Comparison of Titanium-Nitride-Oxide-Coated Bio-Active-Stent (Optimax™) to the Drug (Everolimus) -Eluting Stent (Synergy™) in Acute Coronary Syndrome [TIDES-ACS]; NCT02049229).


Subject(s)
Acute Coronary Syndrome/therapy , Cardiovascular Agents/administration & dosage , Drug-Eluting Stents , Everolimus/administration & dosage , Percutaneous Coronary Intervention/instrumentation , Titanium , Acute Coronary Syndrome/diagnostic imaging , Acute Coronary Syndrome/mortality , Aged , Cardiovascular Agents/adverse effects , Europe , Everolimus/adverse effects , Female , Hemorrhage/etiology , Humans , Male , Middle Aged , Percutaneous Coronary Intervention/adverse effects , Percutaneous Coronary Intervention/mortality , Prosthesis Design , Time Factors , Treatment Outcome
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