ClinicalTrials.gov record
Active, not recruiting Not applicable Interventional

Impella®-Supported PCI in High-Risk Patients With Complex Coronary Artery Disease and Reduced Left Ventricular Function

ClinicalTrials.gov ID: NCT04763200

Public ClinicalTrials.gov record NCT04763200. 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 Apr 22, 2026, 9:07 AM EDT

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

Official title

Impella®-Supported PCI in High-Risk Patients With Complex Coronary Artery Disease and Reduced Left Ventricular Function: The PROTECT IV Trial

Study identification

NCT ID
NCT04763200
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Not applicable
Lead sponsor
Abiomed Inc.
Industry
Enrollment
1,252 participants

Conditions and interventions

Interventions

  • IABP Intra-aortic balloon pump Device
  • Impella CP® / Impella CP® with SmartAssist® / Impella 2.5® Device

Device

Eligibility (public fields only)

Age range
18 Years to 90 Years
Sex
All
Healthy volunteers
Not listed

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

Study timeline

Start date
Apr 12, 2021
Primary completion
Feb 28, 2026
Completion
Sep 30, 2027
Last update posted
Mar 5, 2026

2021 – 2027

United States locations

U.S. sites
74
U.S. states
29
U.S. cities
61
Facility City State ZIP Site status
University of Alabama Birmingham Alabama 35294
St. Joseph's Medical Center - Phoenix Phoenix Arizona 85016
Northwest Medical Center Tucson Tucson Arizona 85741
Arkansas Cardiology Little Rock Arkansas 72205
Adventist Health Glendale Glendale California 91206
St. Joseph Hospital - Orange Orange California 92868
Loma Linda University Health San Bernardino California 92354
UCSD Medical Center San Diego California 92093
Colorado Heart and Vascular Lakewood Colorado 80228
The Cardiac & Vascular Institute Gainesville Florida 32605
University of Florida Health - Gainesville Gainesville Florida 32610
UF Health Jacksonville Jacksonville Florida 32209
Emory University Hospital Atlanta Georgia 30322
Northside Cardiovascular Institute Lawrenceville Georgia 30043
Rush University Medical Center Chicago Illinois 60612
NorthShore University Health System Evanston Illinois 60201
Northwestern University Evanston Illinois 60208
Advocate Christ Medical Center Oak Lawn Illinois 60453
Cardiovascular Research Institute of Kansas Wichita Kansas 67226
Ochsner Foundation Hospital New Orleans Louisiana 70121
Tufts Medical Center Boston Massachusetts 02111
Massachusetts General Hospital Boston Massachusetts 02114
Beth Israel Deaconess Medical Center Boston Massachusetts 02215
Henry Ford Hospital Detroit Michigan 48202
Henry Ford St. John Hospital Detroit Michigan 48236
Corewell Health Grand Rapids Michigan 49435
Metropolitan Heart and Vascular Institute / Metropolitan Cardiology Consultants Coon Rapids Minnesota 55433
CentraCare (St. Cloud Hospital) Saint Cloud Minnesota 56303
SSM Health DePaul Hospital Bridgeton Missouri 63044
St. Luke's Hospital Kansas City Missouri 64111
Catholic Medical Center Manchester New Hampshire 03102
Englewood Hospital Englewood New Jersey 07631
Hackensack University Medical Center Hackensack New Jersey 07601
Morristown Medical Center Morristown New Jersey 07960
Jersey Shore University Medical Center Neptune City New Jersey 07735
The Valley Hospital - Ridgewood Ridgewood New Jersey 07450
Lovelace/New Mexico Heart Institute Albuquerque New Mexico 87102
University at Buffalo/Kaleida Health Buffalo New York 14203
Northwell University Hospital Manhasset New York 11030
NYU Langone Health New York New York 10016
Icahn School of Medicine at Mt. Sinai New York New York 10029
Columbia University Medical Cenrer/NYPH New York New York 10032
St. Francis Hospital and Heart Center Roslyn New York 11576
Stony Brook University Hospital (SUNY) Stony Brook New York 11794
Montefiore Medical Center - Moses The Bronx New York 10467-2401
Sanger Heart and Vascular Institute Charlotte North Carolina 28204
Duke University Durham North Carolina 27710
North Carolina Heart and Vascular Research Raleigh North Carolina 27607
Wake Forest University Health Sciences Winston-Salem North Carolina 27157
Linder Research Center (The Christ Hospital) Cincinnati Ohio 45219
University Hospitals Cleveland Medical Center Cleveland Ohio 44106
University of Oklahoma Medical Center Oklahoma City Oklahoma 73104
Providence St. Vincent Medical Center Portland Oregon 97225
Allegheny General Hospital Pittsburgh Pennsylvania 15212
WellSpan York Hospital York Pennsylvania 17403
Wellmont Cardiology Services Kingsport Tennessee 37660
Centennial Heart - Nashville Nashville Tennessee 37203
Ascension St. Thomas West Nashville Tennessee 37205
Vanderbilt University Medical Center Nashville Tennessee 37232
Presbyterian Hospital Dallas / Texas Health Physicians Group Dallas Texas 75231
Medical City Fort Worth Fort Worth Texas 76104
HCA Houston Healthcare Houston Texas 77004
Houston Methodist Hospital Houston Texas 77030
Memorial Hermann Texas Medical Center (UT Health) Houston Texas 77030
Texas Heart Institute at Baylor St. Luke's Hospital Houston Texas 77030
Texas Cardiology Associates of Houston Kingwood Texas 77339
Baylor Scott & White Heart - Plano Plano Texas 75093
Methodist Hospital - San Antonio San Antonio Texas 78229
Sentara Norfolk Health System Norfolk Virginia 23507
Carilion Clinic Roanoke Virginia 24014
University Of Washington Medical Center Seattle Washington 98195
West Virginia University Hospital Morgantown West Virginia 26506
Aurora St. Luke's Medical Center Milwaukee Wisconsin 53215
Medical College of Wisconsin Milwaukee 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.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 25 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04763200, 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 5, 2026 · Synced Apr 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 NCT04763200 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →