Using Nasal High Flow therapy for patients with acute respiratory failure

Contribution of Nasal High Flow in Pneumology Assessed in Acid-Free Hypercapnic Acute Respiratory Failure

NA · Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer · NCT06008587

This study is testing if adding Nasal High Flow therapy can help adults with acute respiratory failure breathe better and feel more comfortable compared to just standard treatment.

Quick facts

PhaseNA
Study typeInterventional
Enrollment126 (estimated)
Ages18 Years and up
SexAll
SponsorCentre Hospitalier Intercommunal de Toulon La Seyne sur Mer (other)
Locations3 sites (Cannes, Alpes Maritime and 2 other locations)
Trial IDNCT06008587 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate the effectiveness of Nasal High Flow therapy in patients experiencing hypercapnic acute respiratory failure without acidosis, compared to those receiving only standard treatment. The primary objective is to demonstrate that adding Nasal High Flow improves patient outcomes, including respiratory rate, dyspnea, gas exchange, and overall comfort. Secondary objectives include identifying characteristics of patients who respond to this treatment and analyzing the length of hospital stays. The study will involve patients aged 18 and older who meet specific criteria related to their respiratory condition.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older diagnosed with acute respiratory failure characterized by elevated carbon dioxide levels without acidosis.

Not a fit: Patients with restrictive chronic respiratory conditions or those requiring non-invasive ventilation may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly enhance the management of acute respiratory failure, leading to better patient outcomes and reduced hospital stays.

How similar studies have performed: Previous studies have shown promising results with Nasal High Flow therapy in similar respiratory conditions, suggesting potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Major patient ≥ 18 years old
* Medical diagnosis of Acute Respiratory Failure less than 48 hours
* With partial pressure of carbon dioxide (PaCO2) \> 45 and pH \> 7.35 for less than 48 hours, with no indication of Non-Invasive Ventilation (NIV) placement
* Underlying terrain of known or unknown chronic respiratory pathology (may be unknown at time of diagnosis) Examples : COPD, Bronchiectasis, Pulmonary fibrosis, asthma, sequelae pathologies ...
* All etiologies (infectious, cardiac decompensation, trauma, etc.)
* Having given informed consent
* Patient under a social security scheme
* Possibility to include a patient having already been included in the study but suffering from a new episode of hypercapnic non acidic Acute Respiratory Failure

Exclusion Criteria:

* Restrictive chronic neuromuscular or kyphoscoliotic respiratory insufficiencies
* Drug-induced Acute respiratory failure
* Pneumothorax (X-ray pulmonary detachment)
* Oxygen poisoning
* Severe Acute Respiratory Syndrome (SARS) Coronavirus 2 (COVII) Pneumonia
* Tracheostomy
* Prior treatment with chronic or initiated NIV just prior to treatment (e.g. Intensive Care Unit)
* Respiratory Severity Criteria for Resuscitation Management
* Agitation or non-cooperation
* Pregnancy or breastfeeding
* Person participating in other biomedical research
* Any other reason that the investigator believes may interfere with the evaluation of the study objectives
* Person under judicial protection (guardianship, curatorship)
* Person deprived of liberty by a judicial or administrative decision

Where this trial is running

Cannes, Alpes Maritime and 2 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.

View on ClinicalTrials.gov →

Conditions: Respiratory Insufficiency, Nasal High Flow, Acute Respiratory Failure, Respiratory non-acidosis, Pneumology, Hypercapnia

Last reviewed 2026-05-15 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.