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International Survey for EXTubation Evaluation and Respiratory Dynamics in Acute Respiratory Distress Syndrome (EXTEND ARDS)

H

Hiroshima University

Status

Invitation-only

Conditions

ARDS (Acute Respiratory Distress Syndrome)

Study type

Observational

Funder types

Other

Identifiers

NCT06598709
EXTEND_ARDS_study (Registry Identifier)

Details and patient eligibility

About

EXTEND ARDS study is an international survey for ventilator weaning and extubation among ARDS patients. This study will be conducted on behalf of the Japanese ARDS Clinical Practice Guideline 2024 Committee as well as endorsement of the Japanese Society of Intensive Care Medicine, the Japanese Respiratory Society, and the Japanese Society of Respiratory Care Medicine. This survey aims to prospectively collect the clinical data of mechanically ventilated ARDS patients related with ventilator weaning and extubation internationally as well as the outcome of ARDS patients with extubation failure. This study also aims to identify predictive factors strongly associated with extubation failure. The contents of mechanical ventilation settings, respiratory conditions, and blood examination data will be collected.

Full description

1.1. Background

Acute respiratory distress syndrome (ARDS) is a life-threatening condition characterized by widespread inflammatory lung injury, and is encountered in an estimated 23% of mechanically ventilated patients (1). Recent studies reported that the mortality of mechanically ventilated patients with ARDS was still as high as approximately 40% (1), which implies that better management strategies for them are needed to improve the outcomes.

In the management for the mechanical ventilated patients with ARDS, the timing and judgement for extubation is clinically important, because extubation failure can be associated with worse outcome (2). The most recent ARDS guidelines recommend a weaning protocol for extubation and introduced several predictive clinical factors for extubation failure, but they are mainly based on the studies for patients with acute respiratory failure (3), and there is no study focusing on the patients with ARDS. Considering that the best method to extubate successfully has not been determined, the clinical management at the timing of extubation can be varied by each institution or each country, and the investigators thought that international survey focusing on the management for extubation of ARDS patients would be needed.

1.2. Significance of the study

Our international survey can identify the management associated with better outcome as well as clinical factors to predict extubation failure at the timing of extubation attempt. This study will contribute to the development of better management for extubation and thereby improve the outcomes of patients with ARDS.

This study has the potential to increase the generalizability of the results which will be obtained from all regions of the world, including Asia, Europe, North and South America, Oceania, and Africa. Therefore, the results will potentially contribute to improving patient outcomes in all regions of the world. Furthermore, the results obtained will provide a detailed picture of the current ICU management given to mechanical ventilated patients with ARDS in the ICU.

1.3.Study Design

This study is international multicenter prospective survey.

  1. Aim of the study and evaluation items 2.1. Study Hypothesis
  • Mortality of ARDS patients with extubation failure is higher than those without failure.
  • Management and timing for ventilator weaning and extubation failure is different by each institution, each country, or each continent, some of which is associated with their outcome.
  • Some clinical factors for predicting extubation failure is identified.

2.2. Aim of the study Aim 1: Describing epidemiology, management, timing, and outcome for ventilator weaning and extubation of ARDS patients in the world Aim 2: Comparing the protocol for weaning and extubation between the ARDS patients who had successful extubation and those who did not Aim 3: Comparing the change of respiratory mechanics in the SBT and post-extubation between the ARDS patients who had successful extubation and those who did not Aim 4: Identifying clinical factor available during SBT and in the early times after extubation for predicting extubation failure

Enrollment

1,000 estimated patients

Sex

All

Ages

16+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Adult mechanically ventilated patients (≥ 16 years old) expected to receive invasive mechanical ventilator for more than 48 hours
  2. Patients who meet the diagnosis of ARDS at the start of invasive mechanical ventilation based on a new global definition of ARDS.

Exclusion criteria

  1. Patients who already had tracheostomy at the start of invasive mechanical ventilation
  2. Patients who were transferred to participating hospital more than 2 days after the start of invasive mechanical ventilation
  3. Patients with terminal conditions at the start of invasive mechanical ventilation
  4. Patients who have expressed their refusal to have their clinical data used in research

Trial design

1,000 participants in 1 patient group

Mechanically ventilated adult ARDS patients
Description:
Adult mechanically ventilated patients (≥ 16 years old) expected to receive invasive mechanical ventilator for more than 48 hours

Trial contacts and locations

1

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Central trial contact

Mitsuaki Nishikimi, MD, PhD

Data sourced from clinicaltrials.gov

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