International journal of cardiology · 2019
Twelve-month angiographic and clinical outcomes of the XINSORB bioresorbable sirolimus-eluting scaffold and a metallic stent in patients with coronary artery disease.
Сравнительное исследованиеСтатьяМногоцентровое исследованиеРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Wu Yizhe, Shen Li, Yin Jiasheng, Chen Jiahui, Qian Juying, Ge Lei, Ge Junbo, XINSORB randomized clinical trial
Аннотация
BACKGROUND: Recent studies showed bioresorbable scaffold (BRS) increased risks of late target lesion failure (TLF) and thrombosis. XINSORB scaffold is a poly-L-lactic acid based BRS.
METHODS: The study included randomization and registry parts. Eligible patients with one or two de novo lesions were randomly 1:1 assigned to XINSORB scaffold and sirolimus-eluting stent (SES) in randomization part. These patients were clinically and angiographically assessed. In registry part, patients were treated with XINSORB scaffold only and were clinically assessed. The primary endpoint was in-segment late luminal loss (LLL) at 12-month in randomization part. The secondary endpoint was 12-month TLF in all XINSORB-treated patients.
RESULTS: Total 395 and 798 patients were enrolled in randomization and registry part, respectively. Device success was 98.0% (1069/1091) in all XINSORB-treated and 100% (221/221) in SES-treated lesions. The primary endpoint of in-segment LLL at 12-month was 0.19 ± 0.32 mm in XINSORB and 0.31 ± 0.41 mm in SES (P = 0.003), which met the noninferior margin of 0.195 mm (95% CI: -0.20, -0.04, P ≪ 0.0001). No difference was found in TLF between two devices. In all XINSORB-treated patients, 12-month TLF was 0.8% (8/998), which also met the noninferior margin of 9.0% (95% CI: 0.3%, 1.4%, P ≪ 0.0001). Only one device thrombosis was recorded in all XINSORB-treated patients while none in SES.
CONCLUSIONS: In the multicenter clinical trial, XINSORB BRS was noninferior to sirolimus-eluting stent for the primary endpoint of in-segment LLL at 12-month in patients with simple and moderate complex de novo coronary lesions. TLF at 12-month was low and comparable.
METHODS: The study included randomization and registry parts. Eligible patients with one or two de novo lesions were randomly 1:1 assigned to XINSORB scaffold and sirolimus-eluting stent (SES) in randomization part. These patients were clinically and angiographically assessed. In registry part, patients were treated with XINSORB scaffold only and were clinically assessed. The primary endpoint was in-segment late luminal loss (LLL) at 12-month in randomization part. The secondary endpoint was 12-month TLF in all XINSORB-treated patients.
RESULTS: Total 395 and 798 patients were enrolled in randomization and registry part, respectively. Device success was 98.0% (1069/1091) in all XINSORB-treated and 100% (221/221) in SES-treated lesions. The primary endpoint of in-segment LLL at 12-month was 0.19 ± 0.32 mm in XINSORB and 0.31 ± 0.41 mm in SES (P = 0.003), which met the noninferior margin of 0.195 mm (95% CI: -0.20, -0.04, P ≪ 0.0001). No difference was found in TLF between two devices. In all XINSORB-treated patients, 12-month TLF was 0.8% (8/998), which also met the noninferior margin of 9.0% (95% CI: 0.3%, 1.4%, P ≪ 0.0001). Only one device thrombosis was recorded in all XINSORB-treated patients while none in SES.
CONCLUSIONS: In the multicenter clinical trial, XINSORB BRS was noninferior to sirolimus-eluting stent for the primary endpoint of in-segment LLL at 12-month in patients with simple and moderate complex de novo coronary lesions. TLF at 12-month was low and comparable.