Clinical Trial

Isolated Surgical Aortic Valve Replacement in Low Risk AS Patients

Study acronym: AMETHYST
Recruiting
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Summary
To establish the safety and effectiveness of surgical aortic valve replacement (SAVR) in patients with isolated severe, calcific aortic stenosis who are at low surgical risk.
Protocol Amendment History 3 amendments
This ClinicalTrials.gov record has been amended 3 times since 2025-04-04; most recent amendment 2025-08-21.
Status change: Not Yet Recruiting → Recruiting 2025-08-21
Trial Details
NCT Number NCT06924151
Lead Sponsor Osaka University
Conditions Aortic Stenosis
Enrollment 800 participants
Start Date 2025-06-01
Primary Completion 2028-05-31 (estimated)
Study Completion 2037-05-31 (estimated)
Updated on ClinicalTrials.gov 2025-08-28