Clinical trials: Masks
Cleft Lip and Palate
Slow Expansion and Protraction in Cleft Lip and Palate Patients
Evaluate the treatment outcome of slow maxillary expansion protocol on patients with cleft lip and palate, using a differential opening expander and face mask which will be measured and recorded by cone beam computed tomography…
- Trial name
- NCT04997083
- Testing
- Maxillary Expander with Differential Opening (EDO), Petit face mask
- Where
- Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Faculty of Dental Medicine for Girls
Respiratory Disease, Infection, Coronavirus
Assessment of Fit of Novel N95 Style Transparent Face Masks
Face masks have become a critically important public health intervention after the COVID-19 pandemic. Multiple types of masks ranging from full face filtering to cloth masks have been developed and commercialized to facilitate…
- Conditions
- Respiratory Disease, Infection, Coronavirus, Respiratory Tract Infections
- Trial name
- NCT06570161
- Testing
- SEEUS95 Transparent mask, CrystalGuard Mask, N95 face mask
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Snorkeling, Face Mask Squeeze
Evaluation of Full Face Snorkel Masks (FFSMs)
Recently, multiple models of Full Face Snorkel Mask (FFSM) have entered the retail market. However, several fatalities have been reported to the non-profit agency Divers Alert Network (DAN) for snorkelers who were using FFSMs…
- Conditions
- Snorkeling, Face Mask Squeeze, Underwater Physiology, Swimming Physiology
- Trial name
- NCT04783688
- Testing
- Full Face Snorkel Mask (FFSM)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Duke University
Dry Eye Disease
Eye Mask on Sleep Quality and Tear Layer Function in Patients With Dry Eye Disease
This randomized clinical trial (RCT) was aimed to determine the effects of eye masking on sleep quality and tear layer function in patients with dry eye disease.
- Trial name
- NCT06016166
- Testing
- Eye mask
- Where
- Iran
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Hamideh Sabbaghi
Pediatrics, Fasting Period
Effect of Positive End-expiratory Pressure on Gastic Residual Volume
This study was designed as a prospective observational study.
- Trial name
- NCT06426394
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Duygu Akyol
Reaction Time, Balance
The Effect of Wearing a Mask for Balance and Reaction Time
A mask is a protective equipment that covers the mouth and nose and is routinely used in workplaces, public transport and other communal settings preventing harmful particles, dust, droplets, bacteria, viruses, fog, gas, smoke…
- Trial name
- NCT06522802
- Testing
- balance tests, reaction time evaluation
- Where
- Turkey (Türkiye)
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Patients Undergoing Elective General Anesthesia
Laryngeal Mask Supreme™ Versus the I-gel™
We evaluate two new developed airway devices, which provide patent airway during general anesthesia. In 60 patients undergoing elective general anesthesia, we will simulate a difficult airway by using an extrication device…
- Trial name
- NCT00653237
- Testing
- I-gel and LMA Supreme: supraglottic airway devices
- Where
- Switzerland
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Deep Sedation
Comparison of Oxygenation Methods in Sedation
Abstract Backgrounds and objectives: Dental treatments, especially in children who can not be cooperated, may require deep sedation due to intense anxiety and fear.
- Trial name
- NCT03893877
- Testing
- nasal cannula, nasal mask
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- TC Erciyes University
Skin Barrier Function, Skin Soothing Effect
Mask Instant Clinical Study
The goal of this clinical study is to evaluate the soothing effect of the test product within 2 hours after a single application by measuring changes in multiple indicators before and after product use.
- Trial name
- NCT07896993
- Testing
- Test soothing facial mask
- Where
- China
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- ChinaNorm
Anterior Crossbite, Class III Malocclusion
Evaluation of the Treatment Effects of Tooth Borne Versus Bone-anchored Protraction Procedures in Class III Patients With Maxillary Deficiency
The aim of this prospective randomized controlled clinical study is to compare the effects of bone-anchored and tooth borne maxillary protraction on dentofacial structures in skeletal Class III patients.
- Conditions
- Anterior Crossbite, Class III Malocclusion, Maxillary Deficiency
- Trial name
- NCT04863404
- Testing
- Face mask with hybrid-hyrax, Face mask with conventional bonded RME
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Izmir Katip Celebi University
Pandemic, COVID-19, Demodex Infestation
Could Wearing Face Mask Have Affected Demodex Parasite
This study aimed to examine whether wearing masks by healthy individuals during the Covid-19 pandemic created an environment for Demodex mites, by comparing it with the control group.
- Trial name
- NCT06185699
- Testing
- standard superficial skin biopsy (SSSB)
- Where
- Turkey (Türkiye)
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Nurhan Döner Aktaş
Cystoscopes, Baxter Anaesthesia Brand of Desflurane
Comparing Desflurane to Sevoflurane for the Effect on Recovery Time in Patients Undergoing Urological Cystoscope Surgery
This is a single-center, prospective, randomized, double-blind, double-arm trial including 68 subjects scheduled to undergo urological cystoscope surgeries under general anesthesia (GA) with intubation through a laryngeal mask…
- Conditions
- Cystoscopes, Baxter Anaesthesia Brand of Desflurane, Sevoflurane
- Trial name
- NCT01219881
- Testing
- Desflurane, Sevoflurane
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Anesthesia
Effects of One-handed and Two-handed Mask Ventilation Techniques on Global and Regional Lung Ventilation
Two-handed mask ventilation has been shown to provide higher tidal volume than one-handed mask ventilation. The effects of the two techniques on respiratory mechanics during induction of general anesthesia, however, still need to…
- Trial name
- NCT04617665
- Testing
- One-handed mask ventilation, Two-handed mask ventilation
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Fudan University
Optic Nerve Sheath Diameter, Pediatric Anesthesia
Comparison of the Effects of Endotracheal Intubation and Laryngeal Mask Applications on Optic Nerve Diameter in Pediatric Patients
This clinical study aims to investigate the effects of breathing tubes - used to connect children aged 1-11 to a respiratory device under general anesthesia in the operating room - on intracranial pressure after they are…
- Conditions
- Optic Nerve Sheath Diameter, Pediatric Anesthesia, Intubation, Laryngeal Mask Airways
- Trial name
- NCT06994481
- Testing
- optic nerve sheet diameter measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Marmara University Pendik Training and Research Hospital
Hypercapnia
Changes in Capillary Carbon Dioxide Partial Pressure (pCO2) While Wearing FFP2 / FFP3 Masks
The aim of this study is to determine whether there are any changes in the carbon dioxide partial pressure in medical staff while wearing a filtering face piece (FFP) 2 or FFP3 mask.
- Trial name
- NCT04980820
- Testing
- No mask, Filtering face mask 2 (FFP2), Filtering face mask 3 (FFP3)
- Where
- Austria
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Educational Problems
Intubation and Ventilation Skill Training Using Modified Peyton's Four-Step Approach
Endotracheal intubation and mask ventilation procedural skills are basic skills which have to be learnt by medical student and have to be practiced directly.
- Trial name
- NCT05511142
- Testing
- Classic Peyton's Four-Step Approach, Modified Peyton's Four-Step Approach
- Where
- Indonesia
- Volunteers
- 229 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Concentration of Exhaled Carbon Monoxide
Effect of Face Mask on Exhaled Carbon Monoxide of Smokers
Study of 120 healthy subjects without cardiovascular disease, 40 smokers of conventional cigarettes, 40 exclusive users of Heat-non-Burn Cigarettes and 40 nonsmokers.
- Trial name
- NCT04966845
- Testing
- measurement of concentration on exhaled Carbon Monoxide
- Where
- 2 sites in Greece
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Athens
Apnea
Ventilation Using a Bag Valve Mask With Supplemental External Handle
Investigators compared tidal volumes for single rescuer ventilation using a modified bag valve mask with a supplemental external handle versus a conventional bag valve mask in a manikin model.
- Trial name
- NCT02800213
- Testing
- Modified Ambu Spur II bag valve mask, Conventional Ambu Spur II bag valve mask
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Brooke Army Medical Center
Obstructive Sleep Apnea
PAP Systems External Clinical Studies (ECS)
This is a pre-market study for ongoing product development aiming to explore the usability and performance of the study PAP systems.
- Trial name
- NCT06562205
- Testing
- PAP System A (with Amalfi) then PAP System B (with CLA11), PAP System B (with CLA11) then PAP System A (with Amalfi)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- ResMed
Difficult Intubation
Laryngeal Mask, Video Laryngoscopy
LMA insertion provide an intact airway for many surgeries during general anesthesia . LMA insertion technique was defined when it was first produced by Archie Brain .
- Trial name
- NCT04311775
- Testing
- larengeal mask insertion with video laryngoscopy, laryngeal mask insertion
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Kocaeli Derince Education and Research Hospital