Value of Abciximab in Patients With AMI Undergoing Primary PCI After Clopidogrel Pretreatment (BRAVE 3)
Value of Abciximab in Patients With AMI Undergoing PCI After High Dose Clopidogrel Pretreatment (BRAVE 3)
研究概览
详细说明
The goal of all reperfusion therapies in acute myocardial infarction (AMI) is an effective restoration of coronary blood flow and the reduction of infarct size. Recently, the researchers were able to achieve excellent results with primary stenting plus abciximab in terms of reduction of infarct size and improvement of clinical outcome in the STOPAMI trial. This strategy provided a clear benefit compared to fibrinolysis. On the basis of the data published in the last 2 years, hospitals without angioplasty facilities have now better possibilities to improve the results of primary treatment of patients with AMI by immediately referring these patients to highly experienced centers in coronary interventions. There is an increasing interest to assess the additional advantages of pharmacologic reperfusion approaches which are readily applicable in the time window between presentation and arrival at the catheterization room. Two studies have shown that the results of the PCI in patients with AMI pretreated with fibrinolysis may even be more unfavorable than those achieved with angioplasty alone. Glycoprotein (GP) IIb/IIIa blocker abciximab has been shown to improve the results of the primary PCI in AMI. However, no rapidly effective antiplatelets therapy was available at the time when the studies on the benefit of abciximab were performed. Recent studies have shown that a high, 600 mg loading dose of clopidogrel is significantly more rapidly acting and that maximal inhibition of platelet aggregation is achieved within 2 hours after administration. In the ISAR-REACT trial, a high loading dose of clopidogrel was well tolerated, associated with such a low frequency of procedural complications that the use of abciximab offered no clinically measurable benefit at 30 days.
Comparison:
Abciximab (bolus+infusion for 12h) versus Placebo (bolus+infusion for 12h) after pre-treatment with 600 mg clopidogrel.
研究类型
注册 (实际的)
阶段
- 第四阶段
联系人和位置
参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
描述
Inclusion Criteria:
- Patients presenting with ST-Elevation acute myocardial infarction within 24 hours from the onset of symptoms
Exclusion Criteria:
- Age >80 years
- Malignancies
- Cardiogenic shock
- Prolonged cardio-pulmonary resuscitation
- Increased risk of bleeding
- Relevant hematologic deviations (hemoglobin <100 g/L or hematocrit <34%, platelet count <100 x 10^9 /L or platelet count >600 x 10^9 /L)
- Known allergy to the study medication
- Pregnancy (present or suspected)
学习计划
研究是如何设计的?
设计细节
- 主要用途:治疗
- 分配:随机化
- 介入模型:并行分配
- 屏蔽:四人间
武器和干预
参与者组/臂 |
干预/治疗 |
---|---|
实验性的:A
Abciximab
|
Abciximab bolus and infusion is given.
Study medication includes 3 identical vials, each with 5 ml solution containing 10 mg abciximab.
The bolus dose to be given should be rated at 0.125 ml/kg of patient's weight.
After the bolus, a total dose of 0.045 ml/kg study substance (up to a maximal quantity of 3.6 ml) should be given over 12 hours.
其他名称:
|
安慰剂比较:B
Heparin Sodium
|
Placebo bolus plus infusion is given.
Study medication includes 3 identical vials, each with 5 ml solution containing 3000 U Heparin.
The bolus dose to be given should be rated at 0.125 ml/kg of patient's weight.
After the bolus, a total dose of 0.045 ml/kg study substance (up to a maximal quantity of 3.6 ml) should be given over 12 hours.
|
研究衡量的是什么?
主要结果指标
结果测量 |
大体时间 |
---|---|
Left ventricular infarct size calculated as the final perfusion defect at follow-up scintigraphic study
大体时间:5-7 days
|
5-7 days
|
次要结果测量
结果测量 |
大体时间 |
---|---|
Clinical adverse events (death of any cause, reinfarction, stroke, urgent reinterventions, major and minor bleeding complications, thrombocytopenia <20 x 10^9 /L)
大体时间:30 days
|
30 days
|
合作者和调查者
出版物和有用的链接
一般刊物
- Muller I, Seyfarth M, Rudiger S, Wolf B, Pogatsa-Murray G, Schomig A, Gawaz M. Effect of a high loading dose of clopidogrel on platelet function in patients undergoing coronary stent placement. Heart. 2001 Jan;85(1):92-3. doi: 10.1136/heart.85.1.92. No abstract available.
- Kastrati A, Mehilli J, Schuhlen H, Dirschinger J, Dotzer F, ten Berg JM, Neumann FJ, Bollwein H, Volmer C, Gawaz M, Berger PB, Schomig A; Intracoronary Stenting and Antithrombotic Regimen-Rapid Early Action for Coronary Treatment Study Investigators. A clinical trial of abciximab in elective percutaneous coronary intervention after pretreatment with clopidogrel. N Engl J Med. 2004 Jan 15;350(3):232-8. doi: 10.1056/NEJMoa031859.
- Kastrati A, Mehilli J, Dirschinger J, Schricke U, Neverve J, Pache J, Martinoff S, Neumann FJ, Nekolla S, Blasini R, Seyfarth M, Schwaiger M, Schomig A; Stent versus Thrombolysis for Occluded Coronary Arteries in Patients With Acute Myocardial Infarction (STOPAMI-2) Study. Myocardial salvage after coronary stenting plus abciximab versus fibrinolysis plus abciximab in patients with acute myocardial infarction: a randomised trial. Lancet. 2002 Mar 16;359(9310):920-5. doi: 10.1016/S0140-6736(02)08022-4.
- Weaver WD, Simes RJ, Betriu A, Grines CL, Zijlstra F, Garcia E, Grinfeld L, Gibbons RJ, Ribeiro EE, DeWood MA, Ribichini F. Comparison of primary coronary angioplasty and intravenous thrombolytic therapy for acute myocardial infarction: a quantitative review. JAMA. 1997 Dec 17;278(23):2093-8. Erratum In: JAMA 1998 Jun 17;279(23):1876.
- Vermeer F, Oude Ophuis AJ, vd Berg EJ, Brunninkhuis LG, Werter CJ, Boehmer AG, Lousberg AH, Dassen WR, Bar FW. Prospective randomised comparison between thrombolysis, rescue PTCA, and primary PTCA in patients with extensive myocardial infarction admitted to a hospital without PTCA facilities: a safety and feasibility study. Heart. 1999 Oct;82(4):426-31. doi: 10.1136/hrt.82.4.426.
- Neumann FJ, Blasini R, Schmitt C, Alt E, Dirschinger J, Gawaz M, Kastrati A, Schomig A. Effect of glycoprotein IIb/IIIa receptor blockade on recovery of coronary flow and left ventricular function after the placement of coronary-artery stents in acute myocardial infarction. Circulation. 1998 Dec 15;98(24):2695-701. doi: 10.1161/01.cir.98.24.2695.
- Kastrati A, Mehilli J, Schlotterbeck K, Dotzer F, Dirschinger J, Schmitt C, Nekolla SG, Seyfarth M, Martinoff S, Markwardt C, Clermont G, Gerbig HW, Leiss J, Schwaiger M, Schomig A; Bavarian Reperfusion Alternatives Evaluation (BRAVE) Study Investigators. Early administration of reteplase plus abciximab vs abciximab alone in patients with acute myocardial infarction referred for percutaneous coronary intervention: a randomized controlled trial. JAMA. 2004 Feb 25;291(8):947-54. doi: 10.1001/jama.291.8.947.
- Mehilli J, Kastrati A, Schulz S, Frungel S, Nekolla SG, Moshage W, Dotzer F, Huber K, Pache J, Dirschinger J, Seyfarth M, Martinoff S, Schwaiger M, Schomig A; Bavarian Reperfusion Alternatives Evaluation-3 (BRAVE-3) Study Investigators. Abciximab in patients with acute ST-segment-elevation myocardial infarction undergoing primary percutaneous coronary intervention after clopidogrel loading: a randomized double-blind trial. Circulation. 2009 Apr 14;119(14):1933-40. doi: 10.1161/CIRCULATIONAHA.108.818617. Epub 2009 Mar 30.
- Schulz S, Birkmeier KA, Ndrepepa G, Moshage W, Dotzer F, Huber K, Dirschinger J, Seyfarth M, Schomig A, Kastrati A, Mehilli J. One-year clinical outcomes with abciximab in acute myocardial infarction: results of the BRAVE-3 randomized trial. Clin Res Cardiol. 2010 Dec;99(12):795-802. doi: 10.1007/s00392-010-0185-z. Epub 2010 Jun 27.
研究记录日期
研究主要日期
学习开始
初级完成 (实际的)
研究完成 (实际的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (估计)
研究记录更新
最后更新发布 (估计)
上次提交的符合 QC 标准的更新
最后验证
更多信息
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