Skip to content

Prospective randomised trial of stented versus stentless bioprosthesis for aortic valve replacement (AVR)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN56511757
Enrollment
240
Registered
2005-07-08
Start date
2001-03-01
Completion date
Unknown
Last updated
2015-01-13

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

Conditions

Aortic valve replacement Circulatory System Aortic valve replacement

Interventions

Prima Plus (Edwards Lifesciences) stentless bioprosthesis or the Carpentier-Edwards Perimount stented bioprosthesis (Edwards Lifesciences).

Sponsors

Papworth Hospital NHS Trust (UK)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Inclusion criteria: 1. Patients who require elective AVR with a tissue valve for symptomatic aortic valve stenosis (peak valve gradient equal to or greater than 50 mmHg as measured by echocardiography), with or without concomitant artery bypass grafting 2. Patients = 65 years of age at the time of surgery

Exclusion criteria

Exclusion criteria: 1. Patients who are already enrolled in another major cardiovascular trial 2. AVR performed primarily for aortic valve regurgitation 3. Active aortic valve infection 4. Active malignant disease 5. Renal failure requiring dialysis 6. Any previous cardiac surgery 7. The need for additional cardiac procedures other than coronary artery bypass grafting 8. Emergency operations 9. Patients unable to give informed consent

Design outcomes

Primary

MeasureTime frame
Post-operative pressure gradient across the prosthetic valve and effective valve orifice area.

Secondary

MeasureTime frame
No secondary outcome measures

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026