Using awake prone positioning to improve respiratory failure treatment

HYPoxaEmic Respiratory Failure and Awake Prone Ventilation

Not applicable Interventional Vilnius University · NCT05990101

This study is testing if having patients with breathing problems lie on their stomach while awake can help them breathe better and reduce the need for a breathing tube.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment262 (estimated)
Ages18 Years and up
SexAll
SponsorVilnius University Academic / other
Locations4 sites (Kaunas and 3 other locations)
Trial IDNCT05990101 on ClinicalTrials.gov

What this trial studies

This prospective multi-centre randomised controlled trial aims to evaluate whether adding awake prone positioning to standard oxygen therapy and non-invasive ventilation can decrease the need for endotracheal intubation in patients with acute hypoxemic respiratory failure. The study is motivated by the renewed interest in prone positioning during the Covid-19 pandemic, although it seeks to address gaps in evidence for non-Covid-19 related acute respiratory distress. By comparing standard care with the addition of awake prone positioning, the trial will provide insights into its effectiveness in a broader patient population. The study will involve adult patients admitted to intensive or intermediate care units for acute respiratory failure, ensuring a robust analysis of the intervention's impact.

Who should consider this trial

Good fit: Ideal candidates include adult patients admitted to intensive care units for acute hypoxemic respiratory failure.

Not a fit: Patients who are unconscious, unable to cooperate, or have immediate indications for intubation will not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly reduce the need for invasive mechanical ventilation in patients with respiratory failure.

How similar studies have performed: While there have been numerous studies on prone positioning in mechanically ventilated patients, this trial is novel as it focuses on spontaneously breathing patients with acute lung injury unrelated to Covid-19.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adult patients admitted to intensive care unit for acute hypoxemic respiratory failure.
* Acute hypoxemic respiratory failure is defined by respiratory rate ≥25 breaths/min, and partial pressure of oxygen in the arterial blood (PaO2)/fraction of inspired oxygen (FiO2) ≤300 mm Hg or oxygen saturation (SpO2)/fraction of inspired oxygen (FiO2) ratio \<235 while spontaneously breathing under standard oxygen with oxygen flow rate of at least 10 L/min, high flow oxygen therapy or non-invasive ventilation. For patients under standard oxygen, FiO2 is calculated according to the following formula: FiO2=0.21 + 0.03 per litre of supplemental oxygen.
* Informed consent

Exclusion Criteria:

* impaired consciousness - Glasgow coma score \<14;
* inability to cooperate or prone position intolerance;
* immediate indications for endotracheal intubation;
* patients with do-not-intubate order at time of inclusion;
* patients with contraindication to high flow oxygen therapy (HFOT) or non-invasive ventilation (NIV);
* Partial pressure of carbon dioxide (PaCO2) above 50 mm Hg and quantitative measure of the acidity (pH) \<7,3;
* vasopressor dose \>0.3 µg/kg/min of norepinephrine-equivalent to maintain systolic blood pressure \>90 mmHg;
* Covid-19 positive

Where this trial is running

Kaunas and 3 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Respiratory FailureHypoxemiaAwake proneRespiratory failureARDSHypoxaemia
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.