Continuing oral intake versus fasting for adults with acute respiratory failure
Official title: Continuation of Oral Intake Compared With Fasting in Patients With Acute Respiratory Failure Before Intubation : a Non-inferiority Randomized Clinical Trial
Run by University Hospital, Tours · NCT06510972 · Data updated 2026-11-12
This trial tests if letting adults in the ICU with acute respiratory failure continue oral intake is as safe as keeping them fasting.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 754 (estimated) |
| Sponsor | University Hospital, Tours Academic / other |
| Locations | 14 sites (Blois and 13 other locations) |
| Status | Recruiting |
| Started | February 5, 2025 |
| Main results expected | February 2028 |
| Study ends | March 2028 |
| Registry record updated | February 18, 2026 |
| Trial ID | NCT06510972 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults (≥18) admitted to a participating ICU with acute hypoxaemic respiratory failure who are not immediately intubation-bound and meet the study oxygenation and respiratory rate criteria are ideal candidates.
✕Probably not a fit
Patients who need immediate intubation, have impaired airway protective reflexes, or other contraindications to oral intake are unlikely to benefit from this approach.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a non-inferiority, interventional trial comparing a strategy of continuing oral intake to a strategy of fasting in non-intubated adults admitted to intensive care with acute hypoxemic respiratory failure. Eligible patients are randomized shortly after ICU admission and followed for events such as aspiration, need for intubation, tolerance of oral intake, and nutritional intake. The protocol targets patients meeting defined oxygenation and respiratory rate criteria and excludes those requiring immediate intubation or with clear contraindications to oral feeding. Outcomes will measure safety (aspiration and intubation rates) and potential benefits like caloric delivery and patient comfort.
Why it matters
Potential benefit: If successful, the approach could let more patients maintain nutrition and comfort without increasing aspiration or intubation risk.
How similar studies have gone: Related research showed benefits of continuing enteral nutrition around extubation in ventilated patients, but fasting strategies in non-intubated acute respiratory failure patients remain largely untested.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Male or female ≥ 18 years old * Participant affiliated to a social security scheme * Express oral consent of the participant, or failing that of the trusted support person, or failing that of the next of kin * Patient hospitalised in an intensive care unit or in a continuous surveillance unit or in an intensive care unit for less than 24 hours. * Criteria for acute hypoxaemic respiratory failure defined as. * Respiratory rate \> 25 cpm or indifferent if SARS-CoV-2 (Severe acute respiratory syndrome coronavirus 2) infection occurred ≥ 1 time since admission. * PaO2/FiO2 \< 200 mmHg or equivalent SpO2 (oxygen saturation)/FiO2 (fraction of inspired oxygen) i.e. \< 235 (measured under at least 10 L/min high concentration mask) Exclusion Criteria: * Patient with criteria for immediate intubation: * Persistent or worsening respiratory failure (respiratory rate \> 40/min, respiratory failure on physical examination, respiratory acidosis with pH (hydrogen potential ) \< 7.25, copious tracheal secretions, hypoxia with SpO2 \< 90% despite FiO2 \> 80% for more than 5 minutes without technical dysfunction). * Major haemodynamic failure (need for increasing vasopressor support with instability and hypoperfusion). * Neurological failure (Glasgow score \< 8). * Cardiac or respiratory arrest * Chronic lung disease: chronic obstructive pulmonary disease (GOLD grade 3 or 4: Global Initiative for Chronic Obstructive Lung Disease) or other chronic lung disease requiring long-term oxygen or ventilation (this does not include a patient undergoing continuous positive nocturnal pressure for sleep apnoea syndrome). * Contraindications to oral nutrition: known previous swallowing problems or inability to swallow, digestive sutures, admission for inhalation pneumonia, exclusive parenteral nutrition, etc. * Patients with a nasogastric or orogastric tube, a jejunostomy or a feeding ileostomy * Patient already on invasive mechanical ventilation on admission * Limitation of therapies including a decision not to intubate * Incapacitated adult (guardianship or curators) * Pregnant, parturient or breast-feeding women * Tracheostomised patient * Patient already included for the first time in this study
Where it's running
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Intensive care, Hospital, Bourges
Bourges, France Recruiting -
Intensive care, Hospital, Colombes
Colombes, France Recruiting -
Intensive care, Hospital, Dreux
Dreux, France Recruiting -
Intensive care, Hospital, La Roche sur Yon
La Roche-sur-Yon, France Recruiting -
Intensive care, Hospital, Le MANS
Le Mans, France Recruiting -
Intensive care, Hospital, Lille
Lille, France Recruiting
Show 8 more locations
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Intensive care, Hospital, Morlaix
Morlaix, France Recruiting -
Intensive care, Hospital, Nantes
Nantes, France Recruiting -
Intensive care, University Hospital, Orléans
Orléans, France Recruiting -
Intensive care, Hospital, poitiers
Poitiers, France Recruiting -
Intensive care, Hospital, Saint Brieuc
Saint-Brieuc, France Recruiting -
Intensive care, Hospital, Saint-Nazaire
Saint-Nazaire, France Recruiting -
Intensive care, University Hospital, Tours
Tours, France Recruiting -
Intensive care, University Hospital, Blois
Blois, France Not yet recruiting
Study contacts
- Study coordinator: Piotr SZYCHOWIAK, MD
- Email: piotr.szychowiak@gmail.com
- Phone: 2.38.22.95.58
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.