NCT07098611

Brief Summary

Liberation from mechanical ventilation involves three steps: weaning, readiness assessment, and extubation. Readiness is determined using clinical criteria such as improvement of the underlying condition, hemodynamic stability, and adequate respiratory effort. Successful extubation is defined as not requiring invasive support within 48 hours. Due to the complexity of ICU patients, various clinical parameters and multi-component scores have been developed to predict extubation success. This study aims to develop and evaluate a multi-component score, the Readiness for EXtubation score (REXs), to predict extubation readiness in ICU patients under invasive mechanical ventilation.

Trial Health

83
On Track

Trial Health Score

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

Enrollment
470

participants targeted

Target at P75+ for all trials

Timeline
8mo left

Started Jun 2025

Geographic Reach
6 countries

7 active sites

Status
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 Progress58%
Jun 2025Dec 2026

Study Start

First participant enrolled

June 15, 2025

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

July 19, 2025

Completed
13 days until next milestone

First Posted

Study publicly available on registry

August 1, 2025

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2026

Last Updated

May 5, 2026

Status Verified

April 1, 2026

Enrollment Period

1.5 years

First QC Date

July 19, 2025

Last Update Submit

April 29, 2026

Conditions

Keywords

mechanical ventilationextubationweaningreadinesspredictionscore

Outcome Measures

Primary Outcomes (1)

  • Extubation failure in 48 hours

    Extubation failure within 48 hours is defined as the need for reintubation or resumption of mechanical ventilation within two days after planned extubation, indicating the patient could not sustain spontaneous breathing independently.

    From the beginning of the extubation process until 48 hours after extubation

Secondary Outcomes (6)

  • Extubation failure in 72 hours

    From the beginning of the extubation process until 72 hours after extubation

  • Extubation failure in 24 hours

    From the time of extubation until 24 hours post-extubation.

  • Length of intensive care stay

    From admission to intensive care to discharge

  • Length of hospital stay

    From admission to hospital to discharge

  • Intensive care mortality

    From admission to intensive care to discharge

  • +1 more secondary outcomes

Study Arms (1)

Patients undergoing weaning from invasive mechanical ventilation

In patients who are prepared for extubation, predictive readiness will be assessed with REXs.

Eligibility Criteria

Age18 Years - 89 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients on mechanical ventilation admitted to the Intensive Care Unit

You may qualify if:

  • \- Patients who are in the weaning process from mechanical ventilation after being connected to invasive mechanical ventilation in the intensive care unit.

You may not qualify if:

  • Patients without legal guardian consent.
  • Tracheostomized patients.
  • Patients enrolled in other studies.
  • Individuals with diaphragmatic pacers.
  • Pregnant patients.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (7)

University of Magallanes

Punta Arenas, Chile

RECRUITING

Cairo University

Cairo, Egypt

RECRUITING

Shahid Beheshti University of Medical Sciences

Tehran, Iran

RECRUITING

A.O.R.N. "Dei Colli" Monaldi Hospital

Naples, Italy

RECRUITING

Monaldi-Cotugno Hospital

Naples, Italy

RECRUITING

Hospital General Universitario Morales Meseguer

Murcia, Spain

RECRUITING

İstanbul Medipol University

Istanbul, Turkey (TĂ¼rkiye)

RECRUITING

Related Publications (37)

  • Singer P, Blaser AR, Berger MM, Alhazzani W, Calder PC, Casaer MP, Hiesmayr M, Mayer K, Montejo JC, Pichard C, Preiser JC, van Zanten ARH, Oczkowski S, Szczeklik W, Bischoff SC. ESPEN guideline on clinical nutrition in the intensive care unit. Clin Nutr. 2019 Feb;38(1):48-79. doi: 10.1016/j.clnu.2018.08.037. Epub 2018 Sep 29.

    PMID: 30348463BACKGROUND
  • McClave SA, Taylor BE, Martindale RG, Warren MM, Johnson DR, Braunschweig C, McCarthy MS, Davanos E, Rice TW, Cresci GA, Gervasio JM, Sacks GS, Roberts PR, Compher C; Society of Critical Care Medicine; American Society for Parenteral and Enteral Nutrition. Guidelines for the Provision and Assessment of Nutrition Support Therapy in the Adult Critically Ill Patient: Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (A.S.P.E.N.). JPEN J Parenter Enteral Nutr. 2016 Feb;40(2):159-211. doi: 10.1177/0148607115621863. No abstract available.

    PMID: 26773077BACKGROUND
  • Lai YC, Ruan SY, Huang CT, Kuo PH, Yu CJ. Hemoglobin levels and weaning outcome of mechanical ventilation in difficult-to-wean patients: a retrospective cohort study. PLoS One. 2013 Aug 28;8(8):e73743. doi: 10.1371/journal.pone.0073743. eCollection 2013.

    PMID: 24015310BACKGROUND
  • da Silva RB, Neves VR, Montarroyos UR, Silveira MS, Sobral Filho DC. Heart rate variability as a predictor of mechanical ventilation weaning outcomes. Heart Lung. 2023 May-Jun;59:33-36. doi: 10.1016/j.hrtlng.2023.01.007. Epub 2023 Jan 26.

    PMID: 36706686BACKGROUND
  • Sessler CN, Gosnell MS, Grap MJ, Brophy GM, O'Neal PV, Keane KA, Tesoro EP, Elswick RK. The Richmond Agitation-Sedation Scale: validity and reliability in adult intensive care unit patients. Am J Respir Crit Care Med. 2002 Nov 15;166(10):1338-44. doi: 10.1164/rccm.2107138.

    PMID: 12421743BACKGROUND
  • Volpe MS, Guimaraes FS, Morais CC. Airway Clearance Techniques for Mechanically Ventilated Patients: Insights for Optimization. Respir Care. 2020 Aug;65(8):1174-1188. doi: 10.4187/respcare.07904.

    PMID: 32712584BACKGROUND
  • Ghiani A, Walcher S, Lutfi A, Gernhold L, Feige SF, Neurohr C. Mechanical power density, spontaneous breathing indexes, and weaning readiness following prolonged mechanical ventilation. Respir Med. 2025 Feb;237:107943. doi: 10.1016/j.rmed.2025.107943. Epub 2025 Jan 7.

    PMID: 39788438BACKGROUND
  • Vu PH, Tran VD, Duong MC, Cong QT, Nguyen T. Predictive value of the negative inspiratory force index as a predictor of weaning success: a crosssectional study. Acute Crit Care. 2020 Nov;35(4):279-285. doi: 10.4266/acc.2020.00598. Epub 2020 Nov 30.

    PMID: 33423439BACKGROUND
  • Korupolu R, Uhlig-Reche H, Achilike EC, Reeh C, Pedroza C, Stampas A. Factors Associated With Ventilator Weaning Success and Failure in People With Spinal Cord Injury in an Acute Inpatient Rehabilitation Setting: A Retrospective Study. Top Spinal Cord Inj Rehabil. 2022 Spring;28(2):129-138. doi: 10.46292/sci21-00062. Epub 2022 Apr 12.

    PMID: 35521063BACKGROUND
  • Macnaughton PD. Assessment of lung function in the ventilated patient. Intensive Care Med. 1997 Aug;23(8):810-8. doi: 10.1007/s001340050417. No abstract available.

    PMID: 9310798BACKGROUND
  • Whitelaw WA, Derenne JP, Milic-Emili J. Occlusion pressure as a measure of respiratory center output in conscious man. Respir Physiol. 1975 Mar;23(2):181-99. doi: 10.1016/0034-5687(75)90059-6.

    PMID: 1144940BACKGROUND
  • Telias I, Damiani F, Brochard L. The airway occlusion pressure (P0.1) to monitor respiratory drive during mechanical ventilation: increasing awareness of a not-so-new problem. Intensive Care Med. 2018 Sep;44(9):1532-1535. doi: 10.1007/s00134-018-5045-8. Epub 2018 Jan 19. No abstract available.

    PMID: 29350241BACKGROUND
  • Fossat G, Desmalles E, Courtes L, Fossat C, Boulain T. Cough Peak Flow Assessment Without Disconnection From the ICU Ventilator in Mechanically Ventilated Patients. Respir Care. 2023 Apr;68(4):470-477. doi: 10.4187/respcare.10412. Epub 2023 Mar 6.

    PMID: 36878644BACKGROUND
  • Liang YR, Yang MC, Wu YK, Tzeng IS, Wu PY, Huang SY, Lan CC, Wu CP. Transitional Percentage of Minute Volume as a Novel Predictor of Weaning from Mechanical Ventilation in Patients with Chronic Respiratory Failure. Asian Nurs Res (Korean Soc Nurs Sci). 2020 Feb;14(1):30-35. doi: 10.1016/j.anr.2020.01.002. Epub 2020 Jan 22.

    PMID: 31978600BACKGROUND
  • Souza LC, Lugon JR. The rapid shallow breathing index as a predictor of successful mechanical ventilation weaning: clinical utility when calculated from ventilator data. J Bras Pneumol. 2015 Nov-Dec;41(6):530-5. doi: 10.1590/S1806-37132015000000077.

    PMID: 26785962BACKGROUND
  • Danaga AR, Gut AL, Antunes LC, Ferreira AL, Yamaguti FA, Christovan JC, Teixeira U, Guedes CA, Sasseron AB, Martin LC. Evaluation of the diagnostic performance and cut-off value for the rapid shallow breathing index in predicting extubation failure. J Bras Pneumol. 2009 Jun;35(6):541-7. doi: 10.1590/s1806-37132009000600007. English, Portuguese.

    PMID: 19618034BACKGROUND
  • Camargo Barros Rocha DA, Marson FAL, Almeida CCB, Almeida Junior AA, Ribeiro JD. Association between oxygenation and ventilation indices with the time on invasive mechanical ventilation in infants. Pulmonology. 2018 Jul/Aug;24(4):241-249. doi: 10.1016/j.rppnen.2017.10.010. Epub 2018 Feb 2.

    PMID: 29398628BACKGROUND
  • Paret G, Ziv T, Barzilai A, Ben-Abraham R, Vardi A, Manisterski Y, Barzilay Z. Ventilation index and outcome in children with acute respiratory distress syndrome. Pediatr Pulmonol. 1998 Aug;26(2):125-8. doi: 10.1002/(sici)1099-0496(199808)26:23.0.co;2-l.

    PMID: 9727764BACKGROUND
  • Borman KR, Weigelt JA, Aurbakken CM. Guidelines for weaning from positive end-expiratory pressure in ventilated patients. Am J Surg. 1986 Dec;152(6):687-90. doi: 10.1016/0002-9610(86)90449-6.

    PMID: 3538924BACKGROUND
  • Ramachandran V, Grap MJ, Sessler CN. Protocol-directed weaning: a process of continuous performance improvement. Crit Care. 2005 Apr;9(2):138-40. doi: 10.1186/cc3053. Epub 2005 Jan 28.

    PMID: 15774063BACKGROUND
  • Walsh TS, Dodds S, McArdle F. Evaluation of simple criteria to predict successful weaning from mechanical ventilation in intensive care patients. Br J Anaesth. 2004 Jun;92(6):793-9. doi: 10.1093/bja/aeh139. Epub 2004 Apr 30.

    PMID: 15121724BACKGROUND
  • Ely EW, Baker AM, Evans GW, Haponik EF. The prognostic significance of passing a daily screen of weaning parameters. Intensive Care Med. 1999 Jun;25(6):581-7. doi: 10.1007/s001340050906.

    PMID: 10416909BACKGROUND
  • Shaw I, Gregory K. Acid-base balance: a review of normal physiology. BJA Educ. 2022 Oct;22(10):396-401. doi: 10.1016/j.bjae.2022.06.003. Epub 2022 Aug 18. No abstract available.

    PMID: 36132879BACKGROUND
  • Hanley JA, McNeil BJ. The meaning and use of the area under a receiver operating characteristic (ROC) curve. Radiology. 1982 Apr;143(1):29-36. doi: 10.1148/radiology.143.1.7063747.

    PMID: 7063747BACKGROUND
  • Jiang JR, Yen SY, Chien JY, Liu HC, Wu YL, Chen CH. Predicting weaning and extubation outcomes in long-term mechanically ventilated patients using the modified Burns Wean Assessment Program scores. Respirology. 2014 May;19(4):576-82. doi: 10.1111/resp.12266. Epub 2014 Mar 24.

    PMID: 24661343BACKGROUND
  • Nemer SN, Barbas CS, Caldeira JB, Carias TC, Santos RG, Almeida LC, Azeredo LM, Noe RA, Guimaraes BS, Souza PC. A new integrative weaning index of discontinuation from mechanical ventilation. Crit Care. 2009;13(5):R152. doi: 10.1186/cc8051. Epub 2009 Sep 22.

    PMID: 19772625BACKGROUND
  • Burns SM, Fisher C, Earven Tribble SS, Lewis R, Merrel P, Conaway MR, Bleck TP. Multifactor clinical score and outcome of mechanical ventilation weaning trials: Burns Wean Assessment Program. Am J Crit Care. 2010 Sep;19(5):431-9. doi: 10.4037/ajcc2010273.

    PMID: 20810418BACKGROUND
  • Menguy J, De Longeaux K, Bodenes L, Hourmant B, L'Her E. Defining predictors for successful mechanical ventilation weaning, using a data-mining process and artificial intelligence. Sci Rep. 2023 Nov 22;13(1):20483. doi: 10.1038/s41598-023-47452-7.

    PMID: 37993526BACKGROUND
  • Baptistella AR, Sarmento FJ, da Silva KR, Baptistella SF, Taglietti M, Zuquello RA, Nunes Filho JR. Predictive factors of weaning from mechanical ventilation and extubation outcome: A systematic review. J Crit Care. 2018 Dec;48:56-62. doi: 10.1016/j.jcrc.2018.08.023. Epub 2018 Aug 20.

    PMID: 30172034BACKGROUND
  • Baptistella AR, Mantelli LM, Matte L, Carvalho MEDRU, Fortunatti JA, Costa IZ, Haro FG, Turkot VLO, Baptistella SF, de Carvalho D, Nunes Filho JR. Prediction of extubation outcome in mechanically ventilated patients: Development and validation of the Extubation Predictive Score (ExPreS). PLoS One. 2021 Mar 18;16(3):e0248868. doi: 10.1371/journal.pone.0248868. eCollection 2021.

    PMID: 33735250BACKGROUND
  • Fernandez MM, Gonzalez-Castro A, Magret M, Bouza MT, Ibanez M, Garcia C, Balerdi B, Mas A, Arauzo V, Anon JM, Ruiz F, Ferreres J, Tomas R, Alabert M, Tizon AI, Altaba S, Llamas N, Fernandez R. Reconnection to mechanical ventilation for 1 h after a successful spontaneous breathing trial reduces reintubation in critically ill patients: a multicenter randomized controlled trial. Intensive Care Med. 2017 Nov;43(11):1660-1667. doi: 10.1007/s00134-017-4911-0. Epub 2017 Sep 22.

    PMID: 28936675BACKGROUND
  • Pham T, Heunks L, Bellani G, Madotto F, Aragao I, Beduneau G, Goligher EC, Grasselli G, Laake JH, Mancebo J, Penuelas O, Piquilloud L, Pesenti A, Wunsch H, van Haren F, Brochard L, Laffey JG; WEAN SAFE Investigators. Weaning from mechanical ventilation in intensive care units across 50 countries (WEAN SAFE): a multicentre, prospective, observational cohort study. Lancet Respir Med. 2023 May;11(5):465-476. doi: 10.1016/S2213-2600(22)00449-0. Epub 2023 Jan 21.

    PMID: 36693401BACKGROUND
  • McConville JF, Kress JP. Weaning patients from the ventilator. N Engl J Med. 2012 Dec 6;367(23):2233-9. doi: 10.1056/NEJMra1203367. No abstract available.

    PMID: 23215559BACKGROUND
  • Mabrouk AA, Mansour OF, El-Aziz AAA, Elhabashy MM, Alasdoudy AA (2015) Evaluation of some predictors for successful weaning from mechanical ventilation. Egyptian Journal of Chest Diseases and Tuberculosis 64:703-707

    BACKGROUND
  • Ouellette DR, Patel S, Girard TD, Morris PE, Schmidt GA, Truwit JD, Alhazzani W, Burns SM, Epstein SK, Esteban A, Fan E, Ferrer M, Fraser GL, Gong MN, Hough CL, Mehta S, Nanchal R, Pawlik AJ, Schweickert WD, Sessler CN, Strom T, Kress JP. Liberation From Mechanical Ventilation in Critically Ill Adults: An Official American College of Chest Physicians/American Thoracic Society Clinical Practice Guideline: Inspiratory Pressure Augmentation During Spontaneous Breathing Trials, Protocols Minimizing Sedation, and Noninvasive Ventilation Immediately After Extubation. Chest. 2017 Jan;151(1):166-180. doi: 10.1016/j.chest.2016.10.036. Epub 2016 Nov 3.

    PMID: 27818331BACKGROUND
  • Roberts KJ, Goodfellow LT, Battey-Muse CM, Hoerr CA, Carreon ML, Sorg ME, Glogowski J, Girard TD, MacIntyre NR, Hess DR. AARC Clinical Practice Guideline: Spontaneous Breathing Trials for Liberation From Adult Mechanical Ventilation. Respir Care. 2024 Jun 28;69(7):891-901. doi: 10.4187/respcare.11735.

    PMID: 38443142BACKGROUND
  • Epstein SK. Weaning from ventilatory support. Curr Opin Crit Care. 2009 Feb;15(1):36-43. doi: 10.1097/MCC.0b013e3283220e07.

    PMID: 19179869BACKGROUND

MeSH Terms

Conditions

Respiratory AspirationRespiratory Insufficiency

Condition Hierarchy (Ancestors)

Respiration DisordersRespiratory Tract DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Central Study Contacts

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
6 Weeks
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Lecturer

Study Record Dates

First Submitted

July 19, 2025

First Posted

August 1, 2025

Study Start

June 15, 2025

Primary Completion (Estimated)

December 30, 2026

Study Completion (Estimated)

December 30, 2026

Last Updated

May 5, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will share

During the publication phase of the study, all data will be anonymized and made available as supplementary material accompanying the published article.

Shared Documents
STUDY PROTOCOL, SAP, CSR

Locations