ALLIANCE: Safety and Effectiveness of the SAPIEN X4 Transcatheter Heart Valve
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.
- Rahul P. Sharma, MBBS
Stanford University
Principal Investigator - Tamim M. Nazif, MD
Columbia University
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
65 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- St. Andrews War Memorial Hospital
Spring Hill, Queensland, Australia
Active, not recruiting - Royal Adelaide Hospital
Adelaide, South Australia, Australia
Active, not recruiting - the Royal Melbourne Hospital
Parkville, Australia
Active, not recruiting
- St. Paul'S Hospital System
Vancouver, British Columbia, Canada
Active, not recruiting - Hamilton Health Services
Hamilton, Ontario, Canada
Active, not recruiting - Institut Universitaire de Cardiologie Et de Pneumologie de Quebec- Universite Laval
Québec, Quebec, Canada
Active, not recruiting
- Christchurch Hospital
Christchurch, New Zealand
Active, not recruiting
- Scripps Memorial Hospital la Jolla
La Jolla, California, United States
Active, not recruiting - Cedars-Sinai Medical Center
Los Angeles, California, United States
Active, not recruiting - Kaiser Los Angeles
Los Angeles, California, United States
Active, not recruiting - Hoag Memorial Hospital Presbyterian
Newport Beach, California, United States
Active, not recruiting - Uc Davis Medical Center Sacramento
Sacramento, California, United States
Active, not recruiting - Bay Area Structural Heart at Sutter Health
San Francisco, California, United States
Active, not recruiting - Kaiser San Francisco Medical Center
San Francisco, California, United States
Active, not recruiting - Stanford University
Stanford, California, United States
Active, not recruiting - Uc Health Northern Colorado (medical Center of the Rockies)
Loveland, Colorado, United States
Active, not recruiting - Hartford Hospital
Hartford, Connecticut, United States
Active, not recruiting - Naples Community Hospital Healthcare System
North Naples, Florida, United States
Active, not recruiting - Emory University Atlanta
Atlanta, Georgia, United States
Active, not recruiting - Piedmont Heart Institute
Atlanta, Georgia, United States
Active, not recruiting - Rush University Medical Center Chicago
Chicago, Illinois, United States
Active, not recruiting - Alexian Brothers Hospital Network
Elk Grove Village, Illinois, United States
Recruiting - Northshore University Healthsystem Research Institute Evanston
Evanston, Illinois, United States
Active, not recruiting - Northwestern University Chicago
Evanston, Illinois, United States
Active, not recruiting - Silver Cross Hospital
New Lenox, Illinois, United States
Active, not recruiting - St. Vincent Medical Group, Inc./ St. Vincent Heart Center of Indiana, Llc
Carmel, Indiana, United States
Active, not recruiting - University of Kansas Medical Center
Kansas City, Kansas, United States
Active, not recruiting - Cardiovascular Research Institute of Kansas
Wichita, Kansas, United States
Active, not recruiting - Medstar Union Memorial Hospital
Baltimore, Maryland, United States
Active, not recruiting - Brigham and Women'S Hospital
Boston, Massachusetts, United States
Active, not recruiting - Henry Ford Hospital
Detroit, Michigan, United States
Active, not recruiting - Mayo Clinic Rochester
Rochester, Minnesota, United States
Active, not recruiting - Centracare Heart and Vascular Center
Saint Cloud, Minnesota, United States
Active, not recruiting - Saint Luke'S Hospital
Kansas City, Missouri, United States
Active, not recruiting - Washington University - Barnes-Jewish Hospital Saint Louis
St Louis, Missouri, United States
Active, not recruiting - St. Patrick Hospital
Missoula, Montana, United States
Active, not recruiting - Dartmouth-Hitchcock Medical Center, Hanover
Lebanon, New Hampshire, United States
Active, not recruiting - Atlantic Health System Morristown
Morristown, New Jersey, United States
Recruiting - Rutgers Robert Wood Johnson Medical School
New Brunswick, New Jersey, United States
Active, not recruiting - the Valley Hospital
Ridgewood, New Jersey, United States
Active, not recruiting
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
- 20 Jun 2022
- Primary completion
- 31 Jul 2027
- Completion
- 31 Jan 2037
- Last update posted
- 8 Jul 2026
- Registered enrollment
- 1,234
- Registry id
- NCT05172960
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.