About this trial
This multi-center, prospective, randomized, double-blinded, placebo-controlled study aims to investigate whether withdrawal of aspirin from the antithrombotic regimen in patients supported with the CH-VAD pump is non-inferior to the standard antithrombotic regimen of vitamin K antagonist combined with aspirin in terms of safety and efficacy.
Eligibility criteria
Qualifiers
Age ≥18 years old;
Implanted with the CH-VAD pump for advanced heart failure, and the CH-VAD pump is the first implanted left ventricular assist device;
Able to understand the study purpose, voluntarily participate and sign the informed consent form, and willing to comply with the study procedures and follow-up requirements.
Disqualifiers
Requirement for additional temporary or permanent mechanical circulatory support after LVAD implantation;
Requirement for physician-mandated antiplatelet therapy after implantation due to medical history, surgical history, concomitant surgical procedures, or other conditions, including mandated presence or absence of antiplatelet agent;
Occurrence of primary endpoint events prior to randomization (within 2-7 days after implantation);
Inability to take oral medications post-implant through 7 days;
Trial design
Treatments tested in this trial
- Warfarin (INR 2-3) with placebo
- Warfarin (INR 2-3) with aspirin
Treatment groups
Locations
Sponsors and collaborators
China National Center for Cardiovascular Diseases
Lead sponsor
Beijing Anzhen Hospital
Collaborator
Wuhan Asia Heart Hospital
Collaborator
Shanghai Zhongshan Hospital
Collaborator
Jiangsu Provincial People's Hospital
Collaborator
Second Hospital of Jilin University
Collaborator
Nanjing First Hospital, Nanjing Medical University
Collaborator
Zhejiang Provincial People's Hospital
Collaborator
Sir Run Run Shaw Hospital
Collaborator
Sichuan Provincial People's Hospital
Collaborator
First Affiliated Hospital Xi'an Jiaotong University
Collaborator
Zhejiang University
Collaborator
First Affiliated Hospital of Xinjiang Medical University
Collaborator
Fuwai Yunnan Cardiovascular Hospital
Collaborator
Guangdong Provincial People's Hospital
Collaborator
Henan Provincial Chest Hospital
Collaborator
Fujian Provincial Hospital
Collaborator
People's Hospital of Xinjiang Uygur Autonomous Region
Collaborator
Union hospital of Fujian Medical University
Collaborator
Ruijin Hospital
Collaborator
The 7th People's Hospital of Zhengzhou
Collaborator
Chinese Academy of Medical Sciences, Fuwai Hospital
Collaborator
Xijing Hospital
Collaborator