Ziad A Ali1,2, Runlin Gao3, Takeshi Kimura4, Yoshinobu Onuma5, Dean J Kereiakes6, Stephen G Ellis7, Bernard Chevalier8, Minh-Thien Vu9, Zhen Zhang9, Charles A Simonton9, Patrick W Serruys10, Gregg W Stone11,2. 1. New York-Presbyterian Hospital/Columbia University Medical Center, New York (Z.A.A., G.W.S.). 2. Clinical Trials Center, Cardiovascular Research Foundation, New York, NY (Z.A.A., G.W.S.). 3. Fu Wai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Beijing, China (R.G.). 4. Kyoto University Hospital, Japan (T.K.). 5. Thoraxcenter, Erasmus Medical Center, Rotterdam, the Netherlands (Y.O.). 6. The Christ Hospital, Heart and Vascular Center, Lindner Research Center, Cincinnati, OH (D.J.K.). 7. Cleveland Clinic, OH (S.G.E.). 8. Institut Cardiovasculaire Paris Sud, Massy, France (B.C.). 9. Abbott Vascular, Santa Clara, CA (M.-t.V., Z.Z., C.A.S.). 10. International Centre for Cardiovascular Health, Imperial College, London, UK (P.W.S.). 11. New York-Presbyterian Hospital/Columbia University Medical Center, New York (Z.A.A., G.W.S.) gs2184@columbia.edu.
Abstract
BACKGROUND: The Absorb bioresorbable vascular scaffold (BVS) completely resorbs within 3 years after coronary artery implantation. The safety and effectiveness of BVS through this critical 3-year period have not been characterized. METHODS: We performed an individual-patient-data pooled meta-analysis of the 4 randomized ABSORB trials in which 3389 patients with coronary artery disease were randomly assigned to everolimus-eluting Absorb BVS (n=2164) or cobalt-chromium everolimus-eluting stents (n=1225). The primary efficacy outcome measure was target lesion failure (cardiac mortality, target vessel myocardial infarction, or ischemia-driven target lesion revascularization), and the primary safety outcome measure was device thrombosis. RESULTS: BVS compared with cobalt-chromium everolimus-eluting stents resulted in higher 3-year rates of target lesion failure (11.7% versus 8.1%; risk ratio [RR], 1.38; 95% confidence interval [CI], 1.10-1.73; P=0.006), driven by greater target vessel myocardial infarction (7.8% versus 4.2%; RR, 1.72; 95% CI, 1.26-2.35; P=0.0006) and ischemia-driven target lesion revascularization (6.6% versus 4.4%; RR, 1.44; 95% CI, 1.05-1.98; P=0.02), with comparable cardiac mortality (1.1% versus 1.1%; RR, 0.93; 95% CI, 0.47-1.88; P=0.85). Device thrombosis rates through 3 years were also higher with BVS (2.4% versus 0.6%; RR, 3.71; 95% CI, 1.70-8.11; P=0.001). Between 1 and 3 years, target lesion failure rates (6.1% versus 3.9%; P=0.02) and device thrombosis rates (1.1% versus 0.0%; P<0.0001) were higher with BVS than cobalt-chromium everolimus-eluting stents. CONCLUSIONS: In the present individual-patient-data pooled meta-analysis of the ABSORB trials, BVS was associated with increased rates of target lesion failure and device thrombosis between 1 and 3 years and cumulatively through 3 years of follow-up compared with everolimus-eluting stents. CLINICAL TRIAL REGISTRATION: URL: https://clinicaltrials.gov. Unique identifiers: NCT01751906, NCT01844284, NCT01923740, and NCT01425281.
BACKGROUND: The Absorb bioresorbable vascular scaffold (BVS) completely resorbs within 3 years after coronary artery implantation. The safety and effectiveness of BVS through this critical 3-year period have not been characterized. METHODS: We performed an individual-patient-data pooled meta-analysis of the 4 randomized ABSORB trials in which 3389 patients with coronary artery disease were randomly assigned to everolimus-eluting Absorb BVS (n=2164) or cobalt-chromium everolimus-eluting stents (n=1225). The primary efficacy outcome measure was target lesion failure (cardiac mortality, target vessel myocardial infarction, or ischemia-driven target lesion revascularization), and the primary safety outcome measure was device thrombosis. RESULTS: BVS compared with cobalt-chromium everolimus-eluting stents resulted in higher 3-year rates of target lesion failure (11.7% versus 8.1%; risk ratio [RR], 1.38; 95% confidence interval [CI], 1.10-1.73; P=0.006), driven by greater target vessel myocardial infarction (7.8% versus 4.2%; RR, 1.72; 95% CI, 1.26-2.35; P=0.0006) and ischemia-driven target lesion revascularization (6.6% versus 4.4%; RR, 1.44; 95% CI, 1.05-1.98; P=0.02), with comparable cardiac mortality (1.1% versus 1.1%; RR, 0.93; 95% CI, 0.47-1.88; P=0.85). Device thrombosis rates through 3 years were also higher with BVS (2.4% versus 0.6%; RR, 3.71; 95% CI, 1.70-8.11; P=0.001). Between 1 and 3 years, target lesion failure rates (6.1% versus 3.9%; P=0.02) and device thrombosis rates (1.1% versus 0.0%; P<0.0001) were higher with BVS than cobalt-chromium everolimus-eluting stents. CONCLUSIONS: In the present individual-patient-data pooled meta-analysis of the ABSORB trials, BVS was associated with increased rates of target lesion failure and device thrombosis between 1 and 3 years and cumulatively through 3 years of follow-up compared with everolimus-eluting stents. CLINICAL TRIAL REGISTRATION: URL: https://clinicaltrials.gov. Unique identifiers: NCT01751906, NCT01844284, NCT01923740, and NCT01425281.
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Authors: Gregg W Stone; Takeshi Kimura; Runlin Gao; Dean J Kereiakes; Stephen G Ellis; Yoshinobu Onuma; Bernard Chevalier; Charles Simonton; Ovidiu Dressler; Aaron Crowley; Ziad A Ali; Patrick W Serruys Journal: JAMA Cardiol Date: 2019-12-01 Impact factor: 14.676
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