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The effectiveness and safety of the RESTORE® drug-eluting balloon versus a drug-eluting stent for small coronary vessel disease: study protocol for a multi-center, randomized, controlled trial.

ABSTRACT: Objective:Small coronary vessel disease (disease affecting coronary vessels with main branch diameters of ? 2.75 mm) is a common and intractable problem in percutaneous coronary intervention (PCI). This study was designed to test the theory that the effectiveness and safety of drug-eluting balloons for the treatment of de novo lesions in small coronary vessels are non-inferior to those of drug-eluting stents. Methods:We designed a prospective, multicenter, randomized, controlled clinical trial aiming to assess the effectiveness and safety of the RESTORE® (Cardionovum, Bonn, Germany) drug-eluting balloon (DEB) versus the RESOLUTE® (Medtronic, USA) drug-eluting stent (DES) in the treatment of small coronary vessel disease. This trial started in August 2016. A total of 230 patients with a reference vessel diameter (RVD) ? 2.25 mm and ? 2.75 mm were randomly assigned to treatment with a DEB or a DES at a 1:1 ratio. The study was also designed to enroll 30 patients with an RVD ? 2.00 mm and ? 2.25 mm in the tiny vessel cohort. Results:The key baseline data include demographic characteristics, relative medical history, baseline angiographic values and baseline procedural characteristics. The primary endpoint is in-segment diameter stenosis at nine months after the index procedure. Secondary endpoints include acute success, all-cause death, myocardial infarction, target vessel revascularization, target lesion revascularization and stent thrombosis. Conclusions:The study will evaluate the clinical efficacy, angiographic outcomes, and safety of DEBs compared to DESs in the treatment of de novo coronary artery lesions in small vessels.

SUBMITTER: Tang YD

PROVIDER: S-EPMC6198267 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Publications

The effectiveness and safety of the RESTORE<sup>®</sup> drug-eluting balloon versus a drug-eluting stent for small coronary vessel disease: study protocol for a multi-center, randomized, controlled trial.

Tang Yi-Da YD Qiao Shu-Bin SB Su Xi X Chen Yun-Dai YD Jin Ze-Ning ZN Chen Hui H Xu Biao B Kong Xiang-Qing XQ Pang Wen-Yue WY Liu Yong Y Yu Zai-Xin ZX Li Xue X Li Hui H Zhao Yan-Yan YY Li Wei W Tian Jian J Guan Chang-Dong CD Xu Bo B Gao Run-Lin RL

Journal of geriatric cardiology : JGC 20180701 7

<h4>Objective</h4>Small coronary vessel disease (disease affecting coronary vessels with main branch diameters of ≤ 2.75 mm) is a common and intractable problem in percutaneous coronary intervention (PCI). This study was designed to test the theory that the effectiveness and safety of drug-eluting balloons for the treatment of <i>de novo</i> lesions in small coronary vessels are non-inferior to those of drug-eluting stents.<h4>Methods</h4>We designed a prospective, multicenter, randomized, contr ...[more]

PMID: 30364848

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Project description:BackgroundDrug-coated balloon as a novel therapeutic strategy has been used to treat restenosis in cases of bare metal and drug-eluting stents. However, evidence of its safety and efficacy is scarce in de novo small coronary artery vessel disease. This meta-analysis aimed to compare the safety and efficacy of the drug-coated balloon and the drug-eluting stent.MethodsThe PubMed, EMBASE, Web of Science, and Cochrane library databases were searched for studies published up to October 17, 2018. Studies comparing the drug-coated balloon with the drug-eluting stent strategy in patients with de novo small coronary artery vessel disease (reference diameter, <3 mm) were identified. The clinical outcomes were nonfatal myocardial infarction, cardiac death, all-cause death, target lesion revascularization, and target-vessel revascularization. Data were analyzed using the statistical software RevMan (version 5.3). Fixed effects models were performed to calculate the pooled odds ratios (ORs) and 95% confidence intervals (95% CIs). Sensitivity analyses were used to detect potential sources of heterogeneity, while subgroup analyses were implemented to assess the differential effects.ResultsThree randomized controlled trials and 3 nonrandomized controlled studies were identified. Six studies including a total of 1800 patients compared the differences between the drug-coated balloon and the drug-eluting stent strategies in patients with de novo small coronary artery vessel disease. The results indicated that the drug-coated balloon strategy was associated with a significant reduction in nonfatal myocardial infarction (OR 0.53, 95% CI 0.31-0.90, P = .02) compared with the drug-eluting stent strategy, while insignificant inter-strategy differences were observed in cardiac death (OR 1.56, 95% CI 0.73-3.33, P = .25), all-cause death (OR 0.56, 95% CI 0.25-1.23, P = .15), target lesion revascularization (OR 1.24, 95% CI 0.73-2.1, P = .43), and target-vessel revascularization (OR 0.95, 95% CI 0.59-1.52, P = .84).ConclusionsThis meta-analysis suggests that the drug-coated balloon strategy is noninferior to the drug-eluting stent strategy, delivering a good outcome in nonfatal myocardial infarction, and can be recommended as an optimal treatment strategy in patients with de novo small coronary artery vessel disease. Larger randomized controlled studies with longer follow-up periods are needed to further confirm the benefits of the drug-coated balloon strategy.

Project description:BackgroundCurrently, drug-eluting balloon (DEB) appears to be an attractive alternative option for the treatment of in-stent restenosis (ISR). Nevertheless, the clinical outcomes of DEB have seldom been compared to those of new-generation drug-eluting stent (DES). Thus, this meta-analysis aimed to evaluate the safety and efficacy of DEB compared to those of new-generation DES in the treatment of ISR.MethodsA comprehensive search of electronic databases including PubMed, EMBASE, and Cochrane Library up to November 2, 2017 was performed to identify pertinent articles comparing DEB to new-generation DES for the treatment of ISR. In addition, conference proceedings for the scientific sessions of the American College of Cardiology, American Heart Association, European Society of Cardiology, Transcatheter Cardiovascular Therapeutics, and EuroPCR were also searched. The primary endpoint was target lesion revascularization (TLR) at the longest follow-up. Dichotomous variables were presented as risk ratios (RR s) with 95% confidence intervals (CI s), while the overall RR s were estimated using the Mantel-Haenszel random-effects model.ResultsFive randomized controlled trials (RCTs) and eight observational studies involving 2743 patients were included in the present meta-analysis. Overall, DEB was comparable to new-generation DES in terms of TLR (RR = 1.24, 95% CI: 0.89-1.72, P = 0.21), cardiac death (RR = 1.55, 95% CI: 0.89-2.71, P = 0.12), major adverse cardiovascular event (RR = 1.21, 95% CI: 0.98-1.48, P = 0.07), myocardial infarction (RR = 1.12, 95% CI: 0.72-1.76, P = 0.62), and stent thrombosis (RR = 0.95, 95% CI: 0.38-2.42, P = 0.92). However, DEB was associated with higher risk of all-cause mortality than new-generation DES (RR = 1.65, 95% CI: 1.09-2.50, P = 0.02). This was especially true in the real-world observational studies (RR = 1.79, 95% CI: 1.12-2.88, P = 0.02). In RCTs, however, no significant difference was found between the two treatment strategies in the risk of all-cause mortality.ConclusionsThe current meta-analysis showed that DEB and new-generation DES had comparable safety and efficacy for the treatment of ISR in RCTs. However, treatment with DEB was associated with higher risk of all-cause mortality in the real-world nonrandomized studies.

Dataset Information

The effectiveness and safety of the RESTORE® drug-eluting balloon versus a drug-eluting stent for small coronary vessel disease: study protocol for a multi-center, randomized, controlled trial.

Publications

The effectiveness and safety of the RESTORE<sup>®</sup> drug-eluting balloon versus a drug-eluting stent for small coronary vessel disease: study protocol for a multi-center, randomized, controlled trial.

Similar Datasets

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