ALLIANCE AVIV: Safety and Effectiveness of the SAPIEN X4 Transcatheter Heart Valve in Failing Aortic Bioprosthetic Valves
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Pradeep Yadav, MD
Piedmont Atlanta Hospital
Principal Investigator - Robert Cubbedu, MD
Naples Community Hospital
Principal Investigator
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
35 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- St. Paul'S Hospital Vancouver
Vancouver, British Columbia, Canada
Recruiting - Hamilton Health Sciences
Hamilton, Ontario, Canada
Recruiting - Institut Universitaire de Cardiologie Et de Pneumologie de Québec- Universite Laval
Québec, Canada
Recruiting
- Hoag Memorial Hospital Presbyterian
Newport Beach, California, United States
Recruiting - Bay Area Structural Heart at Sutter Health
San Francisco, California, United States
Recruiting - Kaiser San Francisco
San Francisco, California, United States
Recruiting - Stanford University Medical Center
Stanford, California, United States
Recruiting - Uc Health Medical Center of the Rockies
Loveland, Colorado, United States
Recruiting - Naples Community Hospital Healthcare System
Naples, Florida, United States
Recruiting - Emory University Atlanta
Atlanta, Georgia, United States
Recruiting - Piedmont Heart Institute
Atlanta, Georgia, United States
Recruiting - Northwestern University Chicago
Evanston, Illinois, United States
Recruiting - Alexian Brothers Hospital Network
Lisle, Illinois, United States
Recruiting - Cardiovascular Research Institute of Kansas
Wichita, Kansas, United States
Recruiting - Medstar Union Memorial Hospital
Baltimore, Maryland, United States
Recruiting - Brigham and Women'S Hospital
Boston, Massachusetts, United States
Recruiting - Henry Ford Hospital Detroit
Detroit, Michigan, United States
Recruiting - Mayo Clinic
Rochester, Minnesota, United States
Recruiting - Atlantic Health System Morristown
Morristown, New Jersey, United States
Recruiting - Robert Wood Johnson University Hospital
New Brunswick, New Jersey, United States
Recruiting - the Valley Hospital
Ridgewood, New Jersey, United States
Recruiting - University of Buffalo
Buffalo, New York, United States
Recruiting - Columbia University Medical Center / Nyph
New York, New York, United States
Recruiting - Cornelll University New York
New York, New York, United States
Recruiting - Rochester General Hospital
Rochester, New York, United States
Recruiting - Carolinas Health System
Charlotte, North Carolina, United States
Recruiting - Novant Health and Vascular Institute
Charlotte, North Carolina, United States
Recruiting - the Christ Hospital
Cincinnati, Ohio, United States
Recruiting - the Cleveland Clinic Foundation
Cleveland, Ohio, United States
Recruiting - Oklahoma Heart Institute
Tulsa, Oklahoma, United States
Recruiting - Allegheny General Hospital
Pittsburgh, Pennsylvania, United States
Recruiting - Saint Thomas Health
Nashville, Tennessee, United States
Recruiting - University of Texas Memorial Hermann
Houston, Texas, United States
Recruiting - the Heart Hospital Baylor Plano
Plano, Texas, United States
Recruiting - University of Washington Seattle
Seattle, Washington, United States
Withdrawn
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 22 Nov 2023
- Primary completion
- 31 Dec 2026
- Completion
- 29 Feb 2036
- Last update posted
- 22 Dec 2025
- Registered enrollment
- 200
- Registry id
- NCT05172973
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.