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临床试验/NCT07431762
NCT07431762招募中4 期

Comparison of Anti-Thrombotic Treatments Between Aspirin and Warfarin During Initial Six Months After Bioprosthetic Heart Valve Replacement

Asan Medical Center3 个研究点 分布在 2 个国家目标入组 1,058 人开始时间: 2026年6月5日最近更新:
干预措施

试验速览

阶段
4 期
状态
招募中
入组人数
1,058
试验地点
3
主要终点
A composite endpoint is defined as a single outcome that combines multiple clinical events; the occurrence of any one of the component events is considered as meeting the endpoint.

研究概览

简要总结

This trial is a multinational, multicenter, randomized, open-label, active-controlled clinical trial comparing the safety of aspirin versus vitamin K antagonists (warfarin) as oral antithrombotic therapy during the initial 6 months following tissue valve replacement (aortic or mitral).

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Treatment
盲法
None

入排标准

年龄范围
19 Years 至 —(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • Aged ≥ 19 years with successful surgical bioprosthetic valve replacement
  • Bioprosthetic heart valve in aortic or mitral valve positions, for a day postoperatively
  • The patient or guardian agrees to the study protocol and the schedule of clinical follow-up, and provides informed, written consent, as approved by the appropriate Institutional Review Board/Ethical Committee of the respective clinical site.

排除标准

  • Mechanical valve in any heart valve position
  • Previous hemorrhagic stroke within the last 3 months
  • Clinically overt stroke within the last 3 months
  • Current need for anticoagulation (i.e. atrial fibrillation, deep vein thrombosis)
  • Unstable postoperative conditions at index point (i.e. requirement mechanical hemodynamic support, disabling complications, stroke [ischemic, embolic], hemorrhagic stroke)
  • Hypersensitivity to the main component or constituents of aspirin or vitamin K antagonist
  • Pregnant or lactating women

研究组 & 干预措施

Aspirin

Experimental

Antiplatelet Agent

干预措施: Aspirin (Drug)

结局指标

主要结局

A composite endpoint is defined as a single outcome that combines multiple clinical events; the occurrence of any one of the component events is considered as meeting the endpoint.

时间窗: From registration to 6 months

次要结局

  • Rate of all-cause mortality within 6 months(From registration to 6 months)
  • Number of participants who experienced stroke within 6 months(From registration to 6 months)
  • Number of participants who experienced transient ischemic attack within 6 months(From registration to 6 months)
  • Number of participants who experienced systemic embolism within 6 months(From registration to 6 months)
  • Number of participants who experienced myocardial infarction within 6 months(From registration to 6 months)
  • Number of participants who experienced major bleeding within 6 months(From registration to 6 months)
  • Number of participants with valve thrombosis at 6 months(From registration to 6 months)

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Joon Bum Kim

Professor, Department of Thoracic and Cardiovascular Surgery, University of Ulsan College of Medicine

Asan Medical Center

研究点 (3)

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