No mask needed? new device may simplify anesthesia start
NCT ID NCT03554863
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tested whether a device called Optiflow, which delivers warm, humidified oxygen through the nose, could replace the usual face mask during the start of anesthesia. The goal was to see if it could safely oxygenate patients without needing to hold a mask on their face. Sixty adults undergoing general anesthesia with oral intubation took part, and researchers filmed the process to check if mask ventilation was still required.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Nasal High Flow Oxygen (Optiflow device)
- What this could lead to
- If successful, this could make anesthesia induction easier and more comfortable by avoiding the need for a face mask.
- What could go wrong
- This is a small, completed study with only 60 participants, so results may not apply to all patients. The technique may not work for those with breathing difficulties.
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
-
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
-
60 people
The number who actually took part.
- Started
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Nov 2018
- Finished
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Feb 2019
- 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
-
18 to 90 years
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Consent for participation * Affiliation to the french social security system * Patients benefit general anesthesia with oral intubation Exclusion Criteria: * Pregnant or breastfeeding patients; * Patients with difficulty of ventilation by Optiflow AnesthesiaTM (facial trauma); * Patients under the protection of justice * Patients with drained or undrained pneumothorax; * Patients with a predicted difficulty of mask ventilation or intubation according to the clinical examination prior to inclusion (arne score ≥ 11) or when treating the patient in the operating room; * Patients with coronary heart disease, heart failure or respiratory failure; * Patients with intracranial pathology; patients with arterial oxygen saturation \<95% in the open air; * Patients for whom the surgical procedure requires the installation of a double-lumen tube; * Patients requiring rapid sequence induction; patients for whom the induction can not be carried out by the sequence sufentanil, propofol, rocuronium; * Patients with sugammadex allergy; * Patients placed under judicial protection * Patients who have already been included in the study
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Genom att skicka in godkänner du våra Användarvillkor
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
CMC Ambroise Paré
Neuilly-sur-Seine, Île-de-France Region, 92200, France
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Hôpital Foch
Suresnes, Île-de-France Region, 92151, France
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