Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Terminated Phase 3 Interventional Results available

PROACT Xa - A Trial to Determine if Participants With an On-X Aortic Valve Can be Maintained Safely on Apixaban

ClinicalTrials.gov ID: NCT04142658

Public ClinicalTrials.gov record NCT04142658. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 2:56 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Prospective, Randomized, Active (Warfarin) Controlled, Parallel-arm Clinical Trial to Determine if Participants With an On-X Aortic Valve Can be Maintained Safely and Effectively on Apixaban

Study identification

NCT ID
NCT04142658
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Lead sponsor
Artivion Inc.
Industry
Enrollment
863 participants

Conditions and interventions

Interventions

  • Apixaban 5 MG Drug
  • Apixaban 2.5 MG Drug
  • Warfarin Drug
  • On-X Aortic Mechanical Valve Device

Drug · Device

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 30, 2020
Primary completion
Dec 11, 2022
Completion
Dec 11, 2022
Last update posted
Mar 19, 2024

2020 – 2022

United States locations

U.S. sites
62
U.S. states
28
U.S. cities
53
Facility City State ZIP Site status
Tucson Heart Center Tucson Arizona 85712
CHI St. Vincent Heart Institute Little Rock Arkansas 72205
Loma Linda University Medical Center Loma Linda California 92354
Stanford University Medical Center Palo Alto California 94305
Sharp Memorial San Diego California 92123
Hartford Hospital Hartford Connecticut 06102
Yale- New Haven Hospital New Haven Connecticut 06510
Baycare Health / Morton Plant Hospital Clearwater Florida 33756
Shands Hospital (University of Florida Health) Gainesville Florida 32608
AdventHealth Orlando Orlando Florida 32803
Tallahassee Research Institute Tallahassee Florida 32308
University of South Florida Tampa Florida 33606
Piedmont Atlanta Hospital Atlanta Georgia 30309
Emory University Hospital Atlanta Georgia 30332
Northeast Georgia Medical Center Gainesville Georgia 30501
Wellstar Kennestone Hospital Marietta Georgia 30060
Northwestern Memorial Hospital Chicago Illinois 60611
OSF Cardiovascular Institute Rockford Illinois 61107
Indiana University Health Methodist Hospital Indianapolis Indiana 46202
Franciscan Health Indianapolis Indianapolis Indiana 46237
University of Iowa Iowa City Iowa 52242
Maine Medical Center Portland Maine 04102
John's Hopkins University Baltimore Maryland 21218
Brigham and Women's Hospital Boston Massachusetts 02115
Beth Israel Deaconess Medical Center Boston Massachusetts 02215
University of Michigan Health Ann Arbor Michigan 48109
Abbott Northwestern Hospital Minneapolis Minnesota 55407
University of Minnesota Minneapolis Minnesota 55422
Mayo Clinic Rochester Rochester Minnesota 55902
Saint Luke's Hospital Kansas City Missouri 64111
Washington University Medical Center St Louis Missouri 63105
Missouri Baptist Medical Center St Louis Missouri 63131
University of Nebraska Medical Center Omaha Nebraska 68198
Mount Sinai- St. Luke's Hospital New York New York 10029
NewYork-Presbyterian Hospital New York New York 10065
NewYork-Presbyterian/ Weill Cornell Medical Center New York New York 10065
Vassar Brothers Medical Center Poughkeepsie New York 12601
University of Rochester Medical Center Rochester New York 14642
Atrium Health Carolinas Medical Center (CMC) Charlotte North Carolina 28203
Duke University Durham North Carolina 27708
Cleveland Clinic Cleveland Ohio 44195
ProMedica Toledo Hospital Toledo Ohio 43606
Oklahoma Heart Hospital Oklahoma City Oklahoma 73120
Lehigh Valley Hospital Allentown Allentown Pennsylvania 18103
Penn State Health Milton S. Hershey Medical Center Hershey Pennsylvania 17033
Hospital of the University of Pennsylvania Philadelphia Pennsylvania 19104
Thomas Jefferson University Philadelphia Pennsylvania 19107
UPMC Shadyside Pittsburgh Pennsylvania 15232
Avera Health / North Central Heart Sioux Falls South Dakota 57108
Tristar Centennial Medical Center Nashville Tennessee 37203
William P. Clements Jr. University Hospital Dallas Texas 75235
TCU School of Medicine Fort Worth Texas 76107
The University of Texas Health Science Center at Houston Houston Texas 77030
The Heart Hospital at Baylor Plano Plano Texas 75093
University of Utah Hospital Salt Lake City Utah 84132
Henrico Doctors' Hospital Richmond Virginia 23229
Carilion Roanoke Memorial Hospital Roanoke Virginia 24014
Swedish Medical Center Seattle Washington 98122
University of Washington Medical Center Seattle Washington 98195
Tacoma General Hospital Tacoma Washington 98405
University of Wisconsin Madison Wisconsin 53792
Medical College of Wisconsin Wauwatosa Wisconsin 53226

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04142658, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 19, 2024 · Synced Jul 22, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04142658 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →