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Indobufen Versus Aspirin as Antithrombotic Treatment Following Transcatheter Aortic Valve Replacement(INDO-TAVR): A Randomized, Open-Label Clinical Trial

Indobufen Versus Aspirin as Antithrombotic Treatment Following Transcatheter Aortic Valve Replacement(INDO-TAVR): A Randomized, Open-Label Clinical Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600118609
Enrollment
Unknown
Registered
2026-02-09
Start date
2026-03-01
Completion date
Unknown
Last updated
2026-02-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Aortic stenosis and underwent transfemoral TAVR

Interventions

Aspirin group:Take 75-100 mg of aspirin orally once a day for one year
Indobufen group:Take indolebuprofen 100 mg orally twice a day for one consecutive year

Sponsors

The First Affiliated Hospital of Wenzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 89 Years

Inclusion criteria

Inclusion criteria: 1.Age>=18 years; 2.Patients who have successfully undergone transfemoral transcatheter aortic valve replacement (TAVR); 3.Provision of written informed consent by the patient; 4.Patients are expected to be available for complete follow-up, with good compliance and willingness to adhere to the study requirements.

Exclusion criteria

Exclusion criteria: 1.Age>=90 years; 2.Patients requiring long-term oral or injectable anticoagulation therapy (e.g., with clear indications for anticoagulation such as atrial fibrillation, mechanical heart valves, deep vein thrombosis, etc.); 3.Patients allergic to or intolerant of indobufen or aspirin; 4.History of ischemic stroke or transient ischemic attack (TIA) within the past 6 months; 5.Left ventricular ejection fraction (LVEF) 70 mmHg from the postoperative period to discharge; 6.Severe renal or hepatic insufficiency (severe hepatic insufficiency defined as alanine aminotransferase [ALT] >3 times the upper limit of normal [ULN] or aspartate aminotransferase [AST] >2 times ULN; severe renal insufficiency defined as serum creatinine >2 times ULN or requiring dialysis); 7.Thrombocytopenia (platelet count <50,000/µL); 8.Patients requiring dual antiplatelet therapy (DAPT) that cannot be discontinued; 9.Planned other surgeries or major interventions (e.g., coronary artery bypass grafting, other valve surgeries, etc.); 10.Life expectancy <1 year; 11.Psychiatric illness or cognitive impairment that prevents understanding of the study content and procedures; 12.Pregnancy or lactation; 13.Participation in another clinical trial (e.g., drug or device study).

Design outcomes

Primary

MeasureTime frame
New bleeding events within 1 year after TAVR;

Secondary

MeasureTime frame
Ischemic event composite endpoint (including cardiovascular death, myocardial infarction, ischemic stroke, TIA, clinical valve thrombosis, peripheral arterial embolism, and intracardiac thrombosis);Net clinical benefit composite endpoint (including cardiovascular death, myocardial infarction, ischemic stroke, TIA, clinical valve thrombosis, peripheral arterial embolism, intracardiac thrombosis, or new bleeding);

Countries

China

Contacts

Public ContactZhou Hao

The First Affiliated Hospital of Wenzhou Medical University

wyzh66@126.com+86 13968801939

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 19, 2026