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Clinical Trial Summary

The VACCIN box, an anti-aerosol intubation box for potential use on COVID-19 (SARS-CoV-2) positive patients, was designed in order to reduce the transmission risk to healthcare workers. This study will compare the safety and the ease of use of the VACCIN box to a standard intubation in healthy participants undergoing elective surgery. It is expected that intubation times and success rate of intubation in the same circumstances will be similar with and without the use of the VACCIN box.

Clinical Trial Description

Novel ways to protect healthcare workers were developed around the world in the setting of the COVID-19 (SARS-CoV-2) pandemic. Shortage of personal protective equipment (PPE) and concern of potential viral transmission during aerosol generating procedures such as endotracheal intubation fueled the emergence of intubation boxes. However, a lack of details about their safety and efficiency remains. This study will evaluate safety and ease of use of the VACCIN box in participants undergoing elective surgery requiring endotracheal intubation. The study design is a prospective randomized single center clinical trial comparing intubation with and without its use. It is expected that intubation times and success rate of intubation in the same circumstances will be similar with and without the use of the VACCIN box. Eligible participants will be randomized in a 1:1 ratio after informed consent. Participants in both groups will be intubated in the same circumstances. The procedure include a midazolam anxiolysis, a rapid sequence induction without cricoid pressure of predefined dosing of remifentanil, propofol and rocuronium and monitoring of an adequate muscles paralysis and dept of anesthesia. Anesthesiologists will intubate in both groups using specific material: McGRATH videolaryngoscope with X-Blade, 8 mm endotracheal tube (ETT) for men or 7 mm for women and the Glidescope videolaryngoscope stylet inside the ETT. The experimental group will differ from the control group by application of the VACCIN box over the participant's head through which the anesthesiologist will intubate. Proper installation and removal of the VACCIN box will also be evaluated. Intubations will only be done by anesthesiologists to assure patient safety. Each anesthesiologist will be assigned a practice session using the VACCIN box on an intubation mannequin prior to the study. Time measurements throughout the procedure will be taken to obtain the outcomes measures. Vital signs, TOF, NOL index and BISpectral index monitoring are part of the protocol in order to assure an adequate anesthesia induction prior and after intubation. A total of 60 participants will be enrolled in the study (30 in each group). Sample size calculation was based on local intubation mean time with COVID-19 pandemic protocols of 45 seconds with a 15 seconds standard deviation (SD). 26 participants per group are needed considering that an intubation time that is 30% or more over the current mean would imply that the VACCIN Box slowed down the intubation with an assumed SD of 15 seconds, a significance level of 5% and power of 90%. Sample size per group was rounded up to 30 in order to overcome possible exclusion or loss. The primary outcome, the intubation time in seconds, will be tested for normal distribution with a D'Agostino-Pearson omnibus normality test and analyzed using a Two-tailed Student t test for unpaired groups. The intubation time will be presented as mean and standard deviation [SD]. For the secondary outcomes, the χ2 test will be used for the comparisons of the success rate of intubation at first laryngoscopy. The Mann-Whitney U test will be used to compare the ease of intubation. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT04865081
Study type Interventional
Source Maisonneuve-Rosemont Hospital
Contact Issam Tanoubi
Phone 514 252 3400
Email [email protected]
Status Recruiting
Phase N/A
Start date April 19, 2021
Completion date July 2021

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