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Effect of Push-Dose Adrenaline on Peri-intubation Hypotension During Rapid Sequence Intubation in the Emergency Department

7. Juni 2026 aktualisiert von: Emre Kudu, Marmara University Pendik Training and Research Hospital

Effect of Push-Dose Adrenaline on Peri-intubation Cardiovascular and Clinical Outcomes During Rapid Sequence Intubation in the Emergency Department: A Prospective, Randomized, Double-Blind, Placebo-Controlled Trial

Rapid sequence intubation is commonly performed in the emergency department to secure the airway of critically ill patients. However, blood pressure may decrease during or shortly after intubation because of the patient's underlying illness, the effects of induction medications, and the transition to positive-pressure ventilation. This complication is known as peri-intubation hypotension and is associated with worse clinical outcomes.

This study will evaluate whether a preemptive low dose of intravenous adrenaline, also known as epinephrine, can reduce peri-intubation hypotension in adult emergency department patients undergoing rapid sequence intubation. Participants will be randomly assigned to receive either 10 mcg of intravenous adrenaline or 1 mL of 0.9% sodium chloride placebo immediately before induction. The study will compare hemodynamic changes, vasopressor requirements, safety outcomes, and mortality between the two groups.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Rapid sequence intubation is a standard advanced airway procedure used in emergency departments for critically ill patients who require rapid and secure airway control. Although this procedure is clinically necessary, it may be associated with peri-intubation hypotension, commonly defined as systolic blood pressure below 90 mmHg or mean arterial pressure below 65 mmHg during or after the intubation period. This hemodynamic deterioration may result from the patient's underlying critical illness, the cardiovascular effects of induction agents, reduced venous return after initiation of positive-pressure ventilation, or a combination of these factors.

Preventing hypotension during rapid sequence intubation is an important component of peri-intubation resuscitation. Intravenous fluids and vasopressor infusions are frequently used when hypotension develops, but these interventions may not always be fast enough to prevent early hemodynamic collapse. Push-dose vasopressors are used in emergency and critical care practice to provide short-term hemodynamic support. However, prospective randomized evidence regarding the preemptive use of push-dose adrenaline during emergency department rapid sequence intubation remains limited.

This is a single-center, prospective, randomized, double-blind, placebo-controlled trial conducted in the emergency department of Marmara University Pendik Training and Research Hospital. Adult patients undergoing rapid sequence intubation, who are hypotensive or considered to be at significant risk of hypotension, will be enrolled after informed consent is obtained from the patient or legally authorized representative when applicable.

Participants will be randomized in a parallel-group design to receive either 10 mcg intravenous adrenaline or 1 mL of 0.9% sodium chloride placebo immediately before the administration of induction agents. The intervention and placebo syringes will be identical in volume and appearance. Syringes will be prepared according to the randomization list by an independent non-blinded nurse who will not participate in clinical care, outcome assessment, or data collection. Treating physicians, participants, investigators, care providers, and outcome assessors will remain blinded to group allocation.

The decision to perform intubation, selection and dosing of induction and neuromuscular blocking agents, endotracheal tube size, and post-intubation management will be determined by the treating physician according to standard emergency department practice and current clinical guidance. Study procedures will not delay airway management or standard resuscitative care.

Hemodynamic variables, including systolic blood pressure, diastolic blood pressure, mean arterial pressure, and heart rate, will be recorded at baseline and during the first 60 minutes after intubation. The study will evaluate peri-intubation hypotension, changes in mean arterial pressure, post-intubation vasopressor requirements, new ventricular or supraventricular arrhythmias, reactive hypertension, cardiac arrest, and mortality at predefined time points. The planned enrollment is 128 participants.

Studientyp

Interventionell

Einschreibung (Geschätzt)

128

Phase

  • Phase 4

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studieren Sie die Kontaktsicherung

Studienorte

  • Türkei (türkiye)
    • Pendik
      • Istanbul, Pendik, Türkei (türkiye), 34899
        • Marmara University Pendik Training and Research Hospital
        • Kontakt:
        • Kontakt:
        • Hauptermittler:
          • Emre Kudu, MD
        • Unterermittler:
          • Emir Ünal, MD
        • Unterermittler:
          • Hasan Temel, MD
        • Unterermittler:
          • Erhan Altunbaş, MD
        • Unterermittler:
          • Sinan Karacabey, MD

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  • Adult patients aged 18 years or older
  • Patients in the emergency department for whom the treating physician has made a clinical decision to perform rapid sequence intubation
  • Patients who are hypotensive, defined as systolic blood pressure less than 90 mmHg or mean arterial pressure less than 65 mmHg, or who are considered to be at significant risk of hypotension during rapid sequence intubation
  • Written informed consent obtained from the patient or from a legally authorized representative when the patient lacks decision-making capacity

Exclusion Criteria:

  • Pregnancy
  • Known allergy to adrenaline
  • Known contraindication to adrenaline administration
  • Withdrawal of consent by the patient or legally authorized representative after enrollment

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Verhütung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Vervierfachen

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Placebo-Komparator: Placebo
Adult emergency department patients undergoing rapid sequence intubation who receive standard care and a 1 mL intravenous placebo bolus of 0.9% sodium chloride immediately before induction.
Arzneimittel: 0.9 % sodium chloride
Participants receive 1 mL of 0.9% sodium chloride intravenously as placebo immediately before the administration of induction agents for rapid sequence intubation. The placebo syringe is identical in volume and appearance to the adrenaline syringe.
Andere Namen:
  • Placebo
  • Normale Kochsalzlösung
Aktiver Komparator: Push dose adrenaline
Adult emergency department patients undergoing rapid sequence intubation who receive standard care and a preemptive 10 mcg intravenous bolus dose of adrenaline immediately before induction.
Arzneimittel: Adrenaline
Participants receive 10 mcg of intravenous adrenaline, administered as 1 mL of a 10 mcg/mL dilution, immediately before the administration of induction agents for rapid sequence intubation.
Andere Namen:
  • Epinephrin

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Peri-intubation hypotension
Zeitfenster: Within 60 minutes after intubation
Peri-intubation hypotension will be defined as the occurrence of systolic blood pressure less than 90 mmHg or mean arterial pressure less than 65 mmHg at any time during the first 60 minutes after intubation. The incidence of peri-intubation hypotension will be compared between the adrenaline and placebo groups.
Within 60 minutes after intubation

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in mean arterial pressure from baseline
Zeitfenster: Baseline, 1, 5, 10, 15, 30, 45, and 60 minutes after intubation
Mean arterial pressure will be recorded at baseline and at 1, 5, 10, 15, 30, 45, and 60 minutes after intubation. Changes from baseline will be compared between the adrenaline and placebo groups.
Baseline, 1, 5, 10, 15, 30, 45, and 60 minutes after intubation
Change in heart rate from baseline
Zeitfenster: Baseline, 1, 5, 10, 15, 30, 45, and 60 minutes after intubation
Heart rate will be recorded at baseline and at 1, 5, 10, 15, 30, 45, and 60 minutes after intubation. Changes from baseline will be compared between the adrenaline and placebo groups.
Baseline, 1, 5, 10, 15, 30, 45, and 60 minutes after intubation
Post-intubation vasopressor requirement
Zeitfenster: 1 hour and 24 hours after intubation
The need for continuous vasopressor infusion after intubation will be recorded. Total vasopressor dose administered during the first hour and the first 24 hours after intubation will be compared between the adrenaline and placebo groups.
1 hour and 24 hours after intubation
Adverse events
Zeitfenster: Within 24 hours after intubation
Adverse events including reactive hypertension, cardiac arrest, mortality
Within 24 hours after intubation

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Marmara University Pendik Training and Research Hospital

Ermittler

  • Studienstuhl: Emre Kudu, MD, Marmara University

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. Juni 2026

Primärer Abschluss (Geschätzt)

1. Dezember 2026

Studienabschluss (Geschätzt)

1. Dezember 2026

Studienanmeldedaten

Zuerst eingereicht

26. Mai 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

27. Mai 2026

Zuerst gepostet (Tatsächlich)

2. Juni 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

10. Juni 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

7. Juni 2026

Zuletzt verifiziert

1. Juni 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • 09.2026.764

Plan für individuelle Teilnehmerdaten (IPD)

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NEIN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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