Clinical trial Recruiting at 21 sites Observational Ages 18 and up

Impella CP with best-practice care during PCI for heart attack with cardiogenic shock

Official title: Observational Assessment of Support With Impella® Best Practices in Acute Myocardial Infarction Complicated by Cardiogenic Shock

Run by Abiomed Inc. · NCT06964685 · Data updated 2026-11-12

This project will see if using Impella CP with specified best-practice management during PCI is safe for people who have a heart attack complicated by cardiogenic shock.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment350 (estimated)
SponsorAbiomed Inc.
Industry-sponsored
Locations21 sites (Jonesboro, Arkansas and 20 other locations)
StatusRecruiting
StartedJuly 10, 2025
Main results expectedSeptember 30, 2027
Study endsOctober 30, 2028
Registry record updatedOctober 27, 2026
Trial IDNCT06964685 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with a recent acute myocardial infarction complicated by cardiogenic shock who receive Impella CP during PCI and meet hemodynamic and perfusion criteria (for example, lactate ≥2.5 mmol/L or SvO2 <55% and low systolic blood pressure or need for vasopressors) are the intended participants.

Probably not a fit

People who are hemodynamically stable, have chronic or late-presenting shock outside the specified time windows, or who do not receive an Impella CP during PCI are unlikely to benefit directly from this study's findings.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a prospective, multicenter observational registry enrolling up to 350 hemodynamically unstable patients with acute myocardial infarction complicated by cardiogenic shock who receive an Impella CP during PCI. Cardiogenic shock is confirmed by tissue hypoperfusion (for example, lactate ≥2.5 mmol/L or SvO2 <55%) together with low systolic blood pressure or the need for vasopressors. Participants are managed using predefined Impella best-practice protocols alongside guideline-directed medical therapy, and the study collects predefined safety endpoints including composite adverse events. As an observational cohort, there is no randomized comparison; investigators will describe real-world practice patterns and safety outcomes across participating centers.

Why it matters

Potential benefit: If successful, this could clarify safer ways to use Impella CP in heart attack patients with cardiogenic shock and help reduce device-related complications.

How similar studies have gone: Prior observational registries and single-center series have reported mixed safety and outcome signals for Impella in cardiogenic shock, while randomized data remain limited.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Acute myocardial infarction (AMI) of \<36 hours duration from symptom onset to cath lab arrival, confirmed by:

  * ECG and/or biomarker evidence of ST-segment elevation myocardial infarction (STEMI), STEMI equivalents, or new or presumed new left bundle branch block or
  * ECG and/or biomarker evidence of non-ST-segment elevation myocardial infarction (NSTEMI) and angiographic evidence of one or more culprit vessels
* Cardiogenic shock confirmed by at least two of the following:

  * Tissue hypoperfusion, manifested by an arterial or venous blood lactate level ≥2.5 mmol/L or SvO2 \<55% in the presence of a PaO2 \> 90mmHg
  * Systolic blood pressure \<100 mmHg or need for vasoactive agents to maintain systolic blood pressure ≥100 mmHg
  * Hemodynamic criteria represented by a cardiac index of \<2.2 L/min/m\^2 or a cardiac power output ≤0.6 W
* Cardiogenic shock that develops under one of the following conditions:

  * prior to primary PCI, with \<24 hours from the onset of shock to cath lab arrival, or
  * \<12 hours after initiating primary PCI
* Patient was supported with Impella CP as the initial MCS device for cardiogenic shock
* Age ≥18 years
* Europe only: Subject or legally designated representative (LDR) or Independent Physician has provided written informed consent for participation in the observational study

Exclusion Criteria:

* Any contraindication listed in the Impella CP IFU if known to be present (i.e. mural thrombus in the left ventricle; presence of a mechanical aortic valve or heart constrictive device; aortic valve stenosis/calcification (equivalent to an orifice area of 0.6 cm2 or less); moderate to severe aortic insufficiency (echocardiographic assessment graded as ≥ +2); severe arterial disease precluding placement of the Impella system; presence of an atrial or ventricular septal defect (including post-infarct VSD); significant right heart failure; left ventricular rupture; cardiac tamponade; combined cardiorespiratory failure).
* Shock principally due to a cause other than LV failure, including:

  * RV infarction, hypovolemia, anaphylaxis, hemorrhage, sepsis, myocarditis, pulmonary embolism, pneumothorax, or high cardiac output shock
  * Severe arrhythmias as the primary cause of low cardiac output, including acute bradyarrhythmias, tachyarrhythmias, or advanced heart block
  * Known mechanical complications of AMI that may cause cardiogenic shock such as free wall rupture, ventricular septal defect or papillary muscle rupture with acute mitral regurgitation
  * Procedural complication of the PCI that results in coronary perforation
* Other mechanical circulatory support already in place for present indication, including intra-aortic balloon counter-pulsation or patients with Impella CP placement prior to transfer to the cath lab at the tertiary facility
* Acute or chronic aortic dissection
* Prior PCI at another institution for the present infarction
* Thrombolytic therapy for the present infarction
* Not obeying verbal commands after preadmission or in-hospital cardiac arrest, indicative of possible anoxic brain injury NOTE:

  * Non-intubated subjects: A positive and appropriate response to commands must be repeatable on at least two (2) instances to rule out reflex response to voice
  * Intubated subjects are excluded if: They were not following verbal commands immediately prior to intubation, or They were not clearly following verbal commands after intubation within 6 hours post-PCI
* Infective endocarditis
* Other severe, concomitant disease with limited life expectancy \<1 year (other than cardiogenic shock)
* Participation in the active treatment or follow-up phase of another clinical study of an investigational drug or device that has not reached the timing of its primary endpoint

Where it's running

  • Cardiology Associates Research Group (St. Bernard's Hospital)
    Jonesboro, Arkansas, United States
    Recruiting
  • St. Joseph Hospital Orange
    Orange, California, United States
    Recruiting
  • Torrance Memorial Medical Center
    Torrance, California, United States
    Recruiting
  • NCH Rooney Heart Institute
    Naples, Florida, United States
    Recruiting
  • Straub Benioff Medical Center
    Honolulu, Hawaii, United States
    Recruiting
  • OSF Saint Francis
    Peoria, Illinois, United States
    Recruiting
Show 15 more locations
  • Brigham and Women's Hospital
    Boston, Massachusetts, United States
    Recruiting
  • Henry Ford Health System
    Detroit, Michigan, United States
    Recruiting
  • Minneapolis Heart
    Minneapolis, Minnesota, United States
    Recruiting
  • Jersey Shore University Medical Center
    Neptune City, New Jersey, United States
    Recruiting
  • New Mexico Heart
    Albuquerque, New Mexico, United States
    Recruiting
  • Bethesda North Hospital
    Cincinnati, Ohio, United States
    Recruiting
  • Saint Francis Hospital
    Tulsa, Oklahoma, United States
    Recruiting
  • Providence St. Vincent Medical Center
    Portland, Oregon, United States
    Recruiting
  • Legacy Emanuel Medical Center
    Portland, Oregon, United States
    Recruiting
  • WellSpan York Hospital
    York, Pennsylvania, United States
    Recruiting
  • Parkwest Medical Center
    Knoxville, Tennessee, United States
    Recruiting
  • Texas Health Presbyterian Hospital Dallas
    Dallas, Texas, United States
    Recruiting
  • UTHealth Memorial Hermann
    Houston, Texas, United States
    Recruiting
  • Methodist Hospital
    San Antonio, Texas, United States
    Recruiting
  • Inova Fairfax
    Falls Church, Virginia, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Browse more
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.