JACC. Cardiovascular interventions · 2017
9-Month Clinical and Angiographic Outcomes of the COBRA Polyzene-F NanoCoated Coronary Stent System.
Клиническое исследованиеСтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Cutlip Donald E, Garratt Kirk N, Novack Victor, Barakat Mark, Meraj Perwaiz, Maillard Luc, Erglis Andrejs, Jauhar Rajiv, Popma Jeffrey J, Stoler Robert, Silber Sigmund, PzF SHIELD Trial Investigators
Аннотация
OBJECTIVES: The aim of this study was to assess the safety and effectiveness of the COBRA Polyzene-F NanoCoated Coronary Stent System (CeloNova Biosciences, San Antonio, Texas) for the treatment of de novo coronary artery lesions.
BACKGROUND: Polyzene-F-coated coronary stents have shown reduced thrombogenicity and inflammation in preclinical studies.
METHODS: Patients with de novo coronary artery lesions meeting eligibility criteria were enrolled in a nonrandomized, prospective clinical trial. The primary endpoint was target vessel failure (TVF) (defined as a composite of cardiac death, myocardial infarction, or clinically driven target vessel revascularization) at 9 months. A pre-specified subset was planned for routine repeat angiographic follow-up at 9 months. The powered secondary endpoint was mean late lumen loss (LL). The comparator was a performance goal derived from meta-analysis of historical bare-metal stent trials of 19.62% for TVF and 1.1 mm for LL. Other secondary endpoints were clinically driven target lesion revascularization and definite or probable stent thrombosis.
RESULTS: Of 296 enrolled patients, 287 (97%) completed primary endpoint analysis; 130 were planned for angiographic follow-up and 115 (88%) completed. At 9 months, TVF had occurred in 33 patients (11.5%; upper 95% confidence boundary: 15.07%), including 1 (0.3%) cardiac death, 20 (7.0%) myocardial infarctions (17 periprocedural), and 17 (5.9%) target vessel revascularizations. LL was 0.84 ± 0.48 mm (upper 95% confidence boundary: 0.92). Target lesion revascularization occurred in 13 patients (4.6%). There were no stent thrombosis events.
CONCLUSIONS: The COBRA Polyzene-F stent met performance goals for TVF and LL at 9 months. There was an excellent safety profile, with infrequent late myocardial infarction and no stent thrombosis.
BACKGROUND: Polyzene-F-coated coronary stents have shown reduced thrombogenicity and inflammation in preclinical studies.
METHODS: Patients with de novo coronary artery lesions meeting eligibility criteria were enrolled in a nonrandomized, prospective clinical trial. The primary endpoint was target vessel failure (TVF) (defined as a composite of cardiac death, myocardial infarction, or clinically driven target vessel revascularization) at 9 months. A pre-specified subset was planned for routine repeat angiographic follow-up at 9 months. The powered secondary endpoint was mean late lumen loss (LL). The comparator was a performance goal derived from meta-analysis of historical bare-metal stent trials of 19.62% for TVF and 1.1 mm for LL. Other secondary endpoints were clinically driven target lesion revascularization and definite or probable stent thrombosis.
RESULTS: Of 296 enrolled patients, 287 (97%) completed primary endpoint analysis; 130 were planned for angiographic follow-up and 115 (88%) completed. At 9 months, TVF had occurred in 33 patients (11.5%; upper 95% confidence boundary: 15.07%), including 1 (0.3%) cardiac death, 20 (7.0%) myocardial infarctions (17 periprocedural), and 17 (5.9%) target vessel revascularizations. LL was 0.84 ± 0.48 mm (upper 95% confidence boundary: 0.92). Target lesion revascularization occurred in 13 patients (4.6%). There were no stent thrombosis events.
CONCLUSIONS: The COBRA Polyzene-F stent met performance goals for TVF and LL at 9 months. There was an excellent safety profile, with infrequent late myocardial infarction and no stent thrombosis.
Предметные рубрики MeSH
AgedAngioplasty, Balloon, CoronaryCoated Materials, BiocompatibleCoronary AngiographyCoronary Artery DiseaseCoronary RestenosisCoronary ThrombosisCoronary VesselsFemaleHumansMaleMiddle AgedNanoparticlesOrganophosphorus CompoundsPolymersPredictive Value of TestsProspective StudiesProsthesis DesignRisk FactorsStentsTime FactorsTreatment Outcome