NCT06333002

Brief Summary

Acute hypoxemic respiratory failure (AHRF) is the most common cause of admission in the intensive care units (UCIs) worldwide. We will assess the value of machine learning (ML) techniques for early prediction of ICU death in 1,241 patients enrolled in the PANDORA (Prevalence AND Outcome of acute Respiratory fAilure) Study in Spain. The study was registered with ClinicalTrials.gov (NCT03145974). Our aim is to evaluate the minimum number of variables models using logistic regression and four supervised ML algorithms: Random Forest, Extreme Gradient Boosting, Support Vector Machine and Multilayer Perceptron.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,241

participants targeted

Target at P75+ for all trials

Timeline
1mo left

Started Mar 2024

Typical duration for all trials

Geographic Reach
1 country

8 active sites

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress97%
Mar 2024May 2026

First Submitted

Initial submission to the registry

March 19, 2024

Completed
Same day until next milestone

Study Start

First participant enrolled

March 19, 2024

Completed
8 days until next milestone

First Posted

Study publicly available on registry

March 27, 2024

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 30, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 30, 2026

Last Updated

February 11, 2025

Status Verified

February 1, 2025

Enrollment Period

2.2 years

First QC Date

March 19, 2024

Last Update Submit

February 7, 2025

Conditions

Keywords

outcomemechanical ventilationmachine learning

Outcome Measures

Primary Outcomes (1)

  • ICU mortality

    death in the intensive care unit

    up to 100 weeks (from inclusion to death or diascharge from intensive care unit

Secondary Outcomes (1)

  • MV duration

    up to 100 weeks (from inclusion to extubation)

Study Arms (3)

Derivation cohort

It will contain 800 patients randomly selected (1,000 patients with AHRF)

Other: machine learning analysis

Validation cohort

It will contain 200 patients randomly selected (20% of 1000 patients with AHRF

Other: machine learning analysis

Confirmatory cohort

It will contain the remaining 241 patients randomply selected (por external validation)

Other: machine learning analysis

Interventions

We will use robust machine learning approaches, such as Random Forest, Extreme Gradient Boosting, Support Vector Machine and Multilayer Perceptron.

Also known as: Logistic regression, cross validation, and area under the ROC curves
Confirmatory cohortDerivation cohortValidation cohort

Eligibility Criteria

Age18 Years - 100 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

De-identified dataset inclusing 1,241 mechanically ventilated patients with acute hypoxemic respiratory failure admitted consecutively in a network of Spanish ICUs.

You may qualify if:

  • endotracheal intubation plus mechanical ventilation (MV)
  • PaO2/FiO2 ratio ≤300 mmHg under MV with positive end-expiratory pressure (PEEP) ≥5 cmH2O and FiO2 ≥0.3.

You may not qualify if:

  • Post-operative patients ventilated \<24 h
  • Brain death patients.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (8)

Hospital General Universitario de Ciudad Real

Ciudad Real, 13005, Spain

Location

Hospital Virgen de La Luz

Cuenca, 16002, Spain

Location

Hospital Universitario La Paz

Madrid, 28046, Spain

Location

Hospital Universitario Puerta de Hierro

Madrid, 28222, Spain

Location

Hospital Universitario Virgen de Arrixaca

Murcia, 3012, Spain

Location

Hospital Universitario NS de Candelaria

Santa Cruz de Tenerife, 38010, Spain

Location

Hospital Cinico de Valencia

Valencia, 46010, Spain

Location

Hospital Universitario Rio Hortega

Valladolid, 47012, Spain

Location

MeSH Terms

Conditions

Respiratory Insufficiency

Interventions

Logistic Models

Condition Hierarchy (Ancestors)

Respiration DisordersRespiratory Tract Diseases

Intervention Hierarchy (Ancestors)

Models, StatisticalStatistics as TopicEpidemiologic MethodsInvestigative TechniquesRiskProbabilityRegression AnalysisModels, TheoreticalHealth Care Evaluation MechanismsQuality of Health CareHealth Care Quality, Access, and EvaluationPublic HealthEnvironment and Public Health

Study Officials

  • Jesus Villar, MD, PhD

    Fundación Canaria Instituto de Investigación Sanitaria de Canarias

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
principal investigator

Study Record Dates

First Submitted

March 19, 2024

First Posted

March 27, 2024

Study Start

March 19, 2024

Primary Completion (Estimated)

May 30, 2026

Study Completion (Estimated)

May 30, 2026

Last Updated

February 11, 2025

Record last verified: 2025-02

Data Sharing

IPD Sharing
Will not share

Locations