Denne side blev automatisk oversat, og nøjagtigheden af ​​oversættelsen er ikke garanteret. Der henvises til engelsk version for en kildetekst.

Assessing Catecholamine Treatment Initiation Options: Norepinephrine vs Dopamine for Cardiogenic Shock (ACTION-CS)

28. april 2026 opdateret af: Min Chul Kim, Chonnam National University Hospital

The goal of this multicenter, open-label, randomized clinical trial is to learn whether norepinephrine or dopamine is more effective and safer as the first-line vasoactive drug for treating cardiogenic shock in adults. Cardiogenic shock is a life-threatening condition in which the heart cannot pump enough blood to supply the body. The main questions this study aims to answer are:

Does norepinephrine reduce the risk of death or worsening cardiogenic shock compared with dopamine?

Does norepinephrine lead to fewer complications such as arrhythmias, the need for mechanical circulatory support, or cardiac arrest?

Researchers will compare norepinephrine and dopamine to see which drug better stabilizes blood pressure, improves tissue perfusion, and prevents progression of shock during the early phase of treatment.

Participants will:

Be randomly assigned to receive either norepinephrine or dopamine as the first vasoactive drug

Receive treatment and monitoring based on current clinical guidelines for cardiogenic shock

Undergo regular assessments of blood pressure, laboratory values, heart rhythm, and organ function during hospitalization

Be followed for outcomes at 1 month, 6 months, and 1 year after enrollment

This study aims to provide evidence that will help determine which initial vasoactive drug offers better outcomes for patients with cardiogenic shock and guide future treatment recommendations.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Cardiogenic shock is a severe form of acute circulatory failure characterized by inadequate cardiac output, tissue hypoperfusion, and high short-term mortality. Despite advances in revascularization, mechanical circulatory support, and critical care management, early hemodynamic stabilization remains a major determinant of clinical outcomes. Vasoactive drugs are essential components of initial therapy, yet the optimal first-line agent for cardiogenic shock has not been definitively established.

Norepinephrine and dopamine are widely used vasoactive agents, but they may exert their effects through different physiological mechanisms. Their relative impact on vascular tone, cardiac output, and heart rate can vary depending on dose, patient characteristics, and the underlying pathophysiology of shock. Prior studies, including observational analyses and a landmark randomized trial, have suggested potential differences in safety profiles-particularly regarding arrhythmias-but these findings have not been confirmed in a contemporary population with standardized shock definitions and modern management strategies.

This multicenter, open-label, randomized clinical trial is designed to compare norepinephrine and dopamine as the initial vasoactive drug in adults with cardiogenic shock. The study uses a protocol-defined dosing algorithm to ensure consistent titration and incorporates current guideline-based management across participating centers. The primary endpoint evaluates both early hemodynamic deterioration and 28-day mortality, reflecting clinically meaningful outcomes during the most vulnerable phase of shock.

By enrolling a large, diverse population across multiple centers, this trial aims to provide definitive evidence regarding the comparative effectiveness and safety of norepinephrine versus dopamine as first-line therapy. The results are expected to inform clinical guidelines and support standardized treatment strategies for patients with cardiogenic shock.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

512

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

  • Navn: Min Chul Kim, Professor, MD, PhD
  • Telefonnummer: 82-10-4606-2643
  • E-mail: kmc3242@hanmail.net

Undersøgelse Kontakt Backup

Studiesteder

  • Sydkorea
      • Gwangju, Sydkorea, 61469
        • Chonnam National University Hospital

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria: 1&2

  1. Age ≥ 19

  2. Cardiogenic shocka in the stage of Society for cardiovascular angiography and intervention (SCAI) C or D

    • Cardiogenic shock was defined as follows, and should fulfill both 1) and 2)

      1. systolic blood pressure <90 mm Hg for ≥30 min or need of inotropes or vasopressors to maintain systolic blood pressure >90 mm Hg And
      2. Impaired cardiac function confirmed by cardiac catheterization or echocardiography

    • Patients will be further classified based on the SCAI shock classification system as follows:

      1. SCAI B: no signs of hypoperfusion
      2. SCAI C: any signs of hypoperfusion, cardiogenic shock will be classified as SCAI C, and these include mental status change, cool and clammy skin, mottled skin appearance, decreased urine output (30ml/hour) or lactate over 2.0mmol/L
      3. SCAI D: requirement of second-line vasoactive drug or mechanical circulatory support based on the predefined treatment protocol

Exclusion Criteria: any of these,

  1. Administration of vasoactive drug more than 6 hours before enrollment
  2. Patients already on temporary mechanical circulatory supportb before enrollment
  3. Glasgow Coma Scale lower than 8 or other evidence of irreversible brain injury
  4. Shock etiologies other than cardiogenic which include postcardiotomy shock or mixed shock
  5. Pregnancy or lactation

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Norepinephrine First-Line Vasoactive Drug
Participants assigned to this arm will receive norepinephrine as the first-line vasoactive drug for the treatment of cardiogenic shock. The drug will be initiated and titrated according to the protocol-defined dosing algorithm, with adjustments based on hemodynamic response, laboratory values, and clinical status. If participants were receiving vasoactive agents before randomization, norepinephrine will be started at an equivalent protocol-defined dose, and other agents will be tapered as clinically appropriate. All treatment and monitoring will follow current clinical guidelines for cardiogenic shock.
Medicin: Norepinephrine
Norepinephrine will be administered as an intravenous continuous infusion and used as the first-line vasoactive drug for the treatment of cardiogenic shock. The medication will be prepared in standard intensive care unit infusion bags and delivered through a controlled infusion pump. The infusion will be initiated and titrated according to a protocol-defined dosing algorithm, with adjustments based on blood pressure, hemodynamic response, laboratory values, and overall clinical assessment. If a participant was receiving vasoactive agents before randomization, norepinephrine will be started at an equivalent protocol-defined dose, and non-assigned agents will be tapered as clinically appropriate. The duration of infusion will depend on the participant's clinical stabilization. All administration and monitoring will follow current clinical guidelines for cardiogenic shock.
Aktiv komparator: Dopamine First-Line Vasoactive Drug
articipants assigned to this arm will receive dopamine as the first-line vasoactive drug for the treatment of cardiogenic shock. The drug will be initiated and titrated according to the protocol-defined dosing algorithm, with adjustments based on hemodynamic response, laboratory values, and clinical status. If participants were receiving vasoactive agents before randomization, dopamine will be started at an equivalent protocol-defined dose, and other agents will be tapered as clinically appropriate. All treatment and monitoring will follow current clinical guidelines for cardiogenic shock.
Medicin: Dopamine Agent
Dopamine will be administered as an intravenous continuous infusion and used as the first-line vasoactive drug for the treatment of cardiogenic shock. The medication will be prepared in standard intensive care unit infusion bags and delivered through a controlled infusion pump. The infusion will be initiated and titrated according to a protocol-defined dosing algorithm, with adjustments based on blood pressure, hemodynamic response, laboratory values, and overall clinical assessment. If a participant was receiving vasoactive agents before randomization, dopamine will be started at an equivalent protocol-defined dose, and non-assigned agents will be tapered as clinically appropriate. The duration of infusion will depend on the participant's clinical stabilization. All administration and monitoring will follow current clinical guidelines for cardiogenic shock.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
A composite of 28-day all-cause death or signs of progressive or refractory cardiogenic shock within the first 24 hours
Tidsramme: 28 days

signs of progressive or refractory cardiogenic shock within the first 24 hours, defined as follows, any of:

  • Sustained low blood pressure (mean arterial pressure < 60mmHg) more than 30 minutes
  • Lactate over 4 mmol/L, higher than initial lactate level at 6 hours after randomization
  • Initiation of treatment with mechanical circulatory support
  • Initiation of second-line vasoactive drug
  • Cardiac arrest requiring cardiopulmonary resuscitation
  • Arrhythmia requiring electrical cardioversion **For patients who experience more than one qualifying event, the primary endpoint will be determined based on the first event that occurs.
28 days

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
All-cause death at 28th day
Tidsramme: 28 days
28 days
Cardiovascular death at 28th day
Tidsramme: 28 days
28 days
Number of participants who develop signs of progressive or refractory cardiogenic shock within the first 24 hours
Tidsramme: the first 24 hours

defined as follows, any of:

  • Sustained low blood pressure (mean arterial pressure < 60mmHg) more than 30 minutes
  • Lactate over 4 mmol/L, higher than initial lactate level at 6 hours after randomization
  • Initiation of treatment with mechanical circulatory support
  • Initiation of second-line vasoactive drug
  • Cardiac arrest requiring cardiopulmonary resuscitation
  • Arrhythmia requiring electrical cardioversion
the first 24 hours
Number of participants who initiate mechanical circulatory support within the first 24 hours
Tidsramme: the first 24 hours
Impella, ECMO or IABP
the first 24 hours
Number of participants who initiate a second-line vasoactive drug within the first 24 hours
Tidsramme: the first 24 hours
the first 24 hours
Number of participants with cardiac arrest requiring cardiopulmonary resuscitation within the first 24 hours
Tidsramme: the first 24 hours
the first 24 hours
Number of participants with arrhythmia requiring electrical cardioversion within the first 24 hours
Tidsramme: the first 24 hours
the first 24 hours
Number of participants who receive cardiac replacement treatment (temporary or durable mechanical circulatory support or heart transplantation) within the first 28 days
Tidsramme: First 28 days
Temporary mechanical circulatory support include Impella, ECMO or IABP.
First 28 days
Number of participants with first-time initiation of renal replacement therapy for acute kidney injury (AKI) during initial hospitalization
Tidsramme: First 28 days
First 28 days
Duration of vasoactive drug use (hours) during initial hospitalization
Tidsramme: First 28 days
Discontinuation of vasoactive drugs is defined as the point when they are no longer required for more than 24 hours and there is no recurrence of shock.
First 28 days
Number of participants with new-onset or recurrent atrial or ventricular arrhythmia requiring pharmacologic or electrical cardioversion during initial hospitalization
Tidsramme: First 28 days
First 28 days
Number of participants who develop acute limb ischemia requiring surgical or interventional treatment during initial hospitalization
Tidsramme: First 28 days
First 28 days
Number of participants who develop ischemic or hemorrhagic stroke during initial hospitalization
Tidsramme: First 28 days
First 28 days
All-cause death at 1 year
Tidsramme: 1 year
1 year
Cardiovascular death at 1 year
Tidsramme: 1 year
1 year
Number of participants with rehospitalization due to heart failure within 1 year
Tidsramme: 1 year
1 year
Number of participants with first-time initiation of renal replacement therapy at 1 year
Tidsramme: 1 year
1 year

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Chonnam National University Hospital

Efterforskere

  • Ledende efterforsker: Min Chul Kim, Professor, MD, PhD, Chonnam National University Hospital
  • Studiestol: Min Chul Kin, Professor, MD, PhD, Chonnam National University Hospital

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Hjælpsomme links

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

31. maj 2026

Primær færdiggørelse (Anslået)

31. maj 2031

Studieafslutning (Anslået)

31. maj 2032

Datoer for studieregistrering

Først indsendt

22. april 2026

Først indsendt, der opfyldte QC-kriterier

28. april 2026

Først opslået (Faktiske)

1. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

1. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. april 2026

Sidst verificeret

1. april 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • CNUH-2026-098

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

ndividual participant data (IPD) will not be shared because of privacy considerations, regulatory requirements, and institutional policies governing the handling of sensitive clinical information. The study involves critically ill patients with cardiogenic shock, and sharing detailed participant-level data may pose risks to confidentiality. Only aggregated study results will be made publicly available.

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Abonner