Overview
Prospective, multicenter, randomized, sham-controlled, double blinded, adaptive study designed to evaluate the safety and efficacy of a percutaneously created interatrial shunt using the Alleviant ALV1 System in patients with HFpEF/HFmrEF.
Eligibility
Inclusion Criteria:
- Symptomatic HFpEF/HFmrEF with LVEF greater than or equal to 40%
- NYHA Class II, III or ambulatory IV
- Exercise right heart catheterization\*
- Elevated left atrial pressure during exercise right heart catheterization (greater than or equal to 25 mmHg)
- Exercise PVR \< 1.8 WU
- Ongoing stable GDMT
Exclusion Criteria:
- Advanced heart failure
- Presence of a pacemaker
- Evidence of right heart dysfunction


