Valvular & structural heart diseaseTrial design

Design and rationale of the COMPARE-TAVI 2 trial: An all-comers head-to-head comparison of Evolut FX+ and Sapien 3 Ultra Resilia transcatheter heart valves

Am Heart JPublished

  • randomized 1:1 noninferiority trial (design and rationale)
  • all-comers
  • head-to-head comparison
  • 1-sided test
  • noninferiority margin of 4.5%

Study context

Population
Patients undergoing transcatheter aortic valve implantation (TAVI)estimated necessary sample size (planned)
Participants
1,364 patients
Planned comparison
Evolut FX+ vs Sapien 3 Ultra Resilia
Primary endpoint
Combined primary composite endpoint of:
  • All-cause mortality
  • Stroke
  • Moderate/severe total aortic regurgitation
  • Moderate/severe hemodynamic THV deterioration
  • According to VARC-3 criteria
Follow-up
1-year

No results yet. This paper sets out the design of a trial; its results are to come.

Original publication

Design and rationale of the COMPARE-TAVI 2 trial: An all-comers head-to-head comparison of Evolut FX+ and Sapien 3 Ultra Resilia transcatheter heart valves. Am Heart J. Published 23 February 2026. doi:10.1016/j.ahj.2026.107387

Summarised from the published abstract; every number is checked against it