Testing different facemasks for noninvasive ventilation in respiratory failure

Physiological Effects of Novel Noninvasive Ventilation Facemasks Favoring Carbon Dioxide Washout in Patients With Hypercapnic Respiratory Failure

Not applicable Interventional Fondazione Policlinico Universitario Agostino Gemelli IRCCS · NCT06483984

This study tests which of three different facemasks works best for helping people with severe breathing problems get rid of carbon dioxide.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment20 (estimated)
Ages18 Years and up
SexAll
SponsorFondazione Policlinico Universitario Agostino Gemelli IRCCS Academic / other
Locations2 sites (Roma and 1 other locations)
Trial IDNCT06483984 on ClinicalTrials.gov

What this trial studies

This trial evaluates the physiological effects of three types of facemasks used for noninvasive ventilation in patients experiencing acute hypercapnic respiratory failure. Participants will be randomly assigned to use either the Nivairo, Visairo, or Optiniv facemask to determine which is most effective at facilitating carbon dioxide washout. The study aims to improve treatment options for patients with respiratory insufficiency by comparing these interventions. The trial will include measurements of arterial blood gases and other relevant physiological parameters.

Who should consider this trial

Good fit: Ideal candidates are patients with acute respiratory failure characterized by elevated carbon dioxide levels and low arterial pH.

Not a fit: Patients who require immediate intubation or have severe hemodynamic instability will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved noninvasive ventilation strategies for patients with respiratory insufficiency.

How similar studies have performed: While there have been studies on noninvasive ventilation, the specific comparison of these three facemasks is novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

Acute respiratory failure with

* PaCO2 ≥ 45 mmHg;
* Arterial pH \< 7.35;
* Signed written informed consent

Exclusion Criteria:

* Respiratory rate \< 12 bpm;
* Immediate need for intubation;
* Haemodynamic instability (Systolic blood pressure \<90 mmHg or mean arterial pressure \<65 mmHg) and/or lactic acidosis (lactate \>5 mmol/L) and/or clinically diagnosed shock;
* Metabolic Acidosis;
* Recent head surgery or anatomy that prevent the application of facemasks;
* Any contraindications to oesophageal balloon insertion and/or electrical impedance tomography (EIT) belt placement.
* Any contraindications to facemask noninvasive ventilation.

Where this trial is running

Roma and 1 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 Insufficiency
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.