Effects of nasal ventilation on brain and lung function in intubated patients

Effects of Nasal Ventilation on Cerebral and Pulmonary Function in Orally Intubated Patients

Observational Assistance Publique - Hôpitaux de Paris · NCT06438302

This study tests how using nasal ventilation affects brain and lung function in patients who are intubated due to severe breathing problems.

Quick facts

Study typeObservational
Enrollment22 (estimated)
Ages18 Years and up
SexAll
SponsorAssistance Publique - Hôpitaux de Paris Academic / other
Locations1 site (Paris)
Trial IDNCT06438302 on ClinicalTrials.gov

What this trial studies

This observational study investigates how nasal ventilation impacts cerebral and pulmonary function in patients who are orally intubated due to hypoxemic acute respiratory failure. It aims to evaluate the modulation of brain activity and tissue oxygenation through the application of humidified nasal airflow at varying rates. The study will measure electroencephalogram (EEG) activity and assess changes in cerebral perfusion, oxygenation, and regional pulmonary ventilation under different conditions. The findings could provide insights into the importance of nasal ventilation in improving outcomes for intubated patients.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older with hypoxemic acute respiratory failure who have been intubated for less than four days.

Not a fit: Patients with central nervous system diseases, psychiatric illnesses, or hemodynamic instability may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the management of intubated patients by improving brain activity and pulmonary function through nasal ventilation.

How similar studies have performed: While the specific approach of this study may be novel, similar studies have indicated that nasal ventilation can positively influence respiratory and cognitive outcomes.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age ≥ 18 years old
2. Hypoxemic acute respiratory failure
3. Intubation and mechanical ventilation since less than 4 days
4. PaO2/FiO2 ratio less than 200
5. RASS\<-4
6. Consent obtained from next of kin
7. Patient with health insurance

Exclusion Criteria:

1. Central nervous system diseases (stroke, MS, epilepsy)
2. Psychiatric illnesses (psychosis, depression) (indicated on patient's medical record)
3. Hemodynamic instability (noradrenalin\>2mg/h)
4. Patient on AME
5. Patients under legal protection (guardianship/curators)
6. Pregnant or breast-feeding women

Where this trial is running

Paris

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 Hypoxemic Acute Respiratory Failurenasal ventilationorotracheal intubationbrain activity
Last reviewed 2026-06-13 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.