Simple Face-Down position may keep COVID-19 patients off ventilators
NCT ID NCT04358939
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether having conscious COVID-19 patients with breathing problems lie face down (prone position) while on high-flow oxygen could reduce the need for a breathing tube. Over 400 adults with COVID-19 pneumonia and mild to severe acute respiratory distress syndrome took part. The goal was to see if this simple positioning technique could improve outcomes and ease pressure on intensive care units.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- prone positioning
- What this could lead to
- If it works, this simple technique could reduce the need for intubation and free up critical care resources during COVID-19 surges.
- What could go wrong
- This is a completed trial, but results may not apply to all patients or future variants. The intervention is supportive, not a cure, and some patients may still require intubation.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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405 people
The number who actually took part.
- Started
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Apr 2020
- Finished
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Feb 2021
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adult patient * with COVID-19 pneumonia according to the diagnostic criteria in effect at the time of inclusion or very highly suspected. * Patient treated with nasal high-flow * Mild, moderate or severe ARDS: bilateral radiological opacities not fully explained by effusions, atelectasis or nodules; acute hypoxemia with worsening within the previous 7 days, not fully explained by left ventricular failure; PaO2/FiO2 ratio \< 300 mmHg (or equivalent SpO2/FiO2). * Covered by or having the rights to French social security * Informed Consent Exclusion Criteria: Pregnant or breastfeeding woman * Indication for immediate tracheal intubation * Progressive significant acute circulatory insufficiency * Impaired alertness, confusion, restlessness * Body mass index \> 40 kg/m2 * Thoracic trauma or other contraindication to prone position * Pneumothorax with single anterior thoracic drain and persistent bubbling * Vulnerable person: safeguard of justice, guardianship or authorship known at inclusion
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Intensive Care Unit, Hospital,
Blois, 41016, France
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Intensive Care Unit, Hospital, Argenteuil
Argenteuil, 95100, France
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Intensive Care Unit, Hospital, Dax
Dax, 40107, France
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Intensive Care Unit, Hospital, La Roche-sur-Yon
La Roche-sur-Yon, 85925, France
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Intensive Care Unit, Hospital, Le Mans
Le Mans, 72037, France
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Intensive Care Unit, Hospital, Valence
Valence, 26953, France
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Intensive Care Unit, Hospital, Vannes
Vannes, 56017, France
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Intensive Care Unit, Louis Mourier-APHP
Colombes, 92700, France
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Intensive Care Unit, University Hospital, Aix
Aix-en-Provence, 13616, France
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Intensive Care Unit, University Hospital, Lille
Lille, 59037, France
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Medical Intensive Care Unit, Hospital, Béthune
Béthune, 62408, France
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Medical Intensive Care Unit, Hospital, Orléans
Orléans, 45067, France
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Medical Intensive Care Unit, Tenon-APHP
Paris, 75020, France
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Medical Intensive Care Unit, University Hospital, Amiens
Amiens, 80054, France
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Medical Intensive Care Unit, University Hospital, Brest
Brest, 29609, France
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Medical Intensive Care Unit, University Hospital, Caen
Caen, 14033, France
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Medical Intensive Care Unit, University Hospital, Dijon
Dijon, 21033, France
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Medical Intensive Care Unit, University Hospital, Grenoble
Grenoble, France
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Medical Intensive Care Unit, University Hospital, Nancy
Vandœuvre-lès-Nancy, 54511, France
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Medical Intensive Care Unit, University Hospital, Nantes
Nantes, 44093, France
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Medical Intensive Care Unit, University Hospital, Nice
Nice, 06202, France
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Medical Intensive Care Unit, University Hospital, Poitiers
Poitiers, 86021, France
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Medical Intensive Care Unit, University Hospital, Tours
Tours, 37044, France
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Surgical Intensive Care Unit, University Hospital, Tours
Tours, 37170, France
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