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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Difficult Airway Intubation Clear all
Completed Not applicable Interventional Results available

Comparison of Endotracheal Intubation Over the Aintree Via the I-gel and Laryngeal Mask Airway Supreme

NCT02476565
View directory record Official record
Conditions
Difficult Intubation
Interventions
LMA-Supreme supraglottic device, I-gel supraglottic device
Device
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
Nashville, Tennessee • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 15, 2018 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional

Cohort 2 Efficacy of Nasopharyngeal Ventilation With Endotracheal Tube for Surgery

NCT02018146
View directory record Official record
Conditions
General Anesthesia With Endotracheal Intubation in Surgery
Interventions
Mask then nasopharyngeal, Nasopharyngeal then mask
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glottic View in Infants With a Shoulder Roll

NCT03424070
View directory record Official record
Conditions
Intubation;Difficult
Interventions
Shoulder Roll, No shoulder roll (placebo)
Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
1 Day to 1 Year
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Sep 10, 2026, 5:11 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Upper Airway Ultrasound to Predict Difficult Laryngoscopy in Neonates and Infants

NCT07444528
View directory record Official record
Conditions
Neonates, Infants Aged 0 Days to 12 Months Scheduled for Elective Surgery
Interventions
Upper airway ultrasound
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Up to 365 Days
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 10, 2026, 5:11 AM EDT
Recruiting No phase listed Observational

Comparison of Two Sedation Regimens for Awake Fiberoptic Intubation

NCT05736198
View directory record Official record
Conditions
Awake Fiberoptic Intubation, Difficult Airway
Interventions
Dexmedetomidine
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 28, 2024 · Synced Sep 10, 2026, 5:11 AM EDT
Completed No phase listed Observational Results available

Evaluation of Video Laryngoscopy in Patients With Head and Neck Pathology

NCT03265938
View directory record Official record
Conditions
Difficult Intubation
Interventions
Indirect Laryngoscopy
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Sep 10, 2026, 5:11 AM EDT
Recruiting Not applicable Interventional

Comparison Using a VLS Using GlideRite Stylet Versus TCI Articulating Introducer in Predictive Difficult Intubation

NCT04866472
View directory record Official record
Conditions
Predicted Difficult Airway
Interventions
video-laryngoscope and GlideRite Rigid Stylet, video-laryngoscope and TCI Articulating Introducer Device
Device
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
2
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional

Anticipation of the Difficult Airway: the Preoperative Airway Assessment Form

NCT01037374
View directory record Official record
Conditions
Endotracheal Intubation Risk Assessment
Interventions
Preoperative assessment form
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 24, 2014 · Synced Sep 10, 2026, 5:11 AM EDT
Not listed No phase listed Observational

Ultrasound to Predict Difficult Airway

NCT03789071
View directory record Official record
Conditions
Difficult Intubation
Interventions
External ultrasound evaluation of the airway
Diagnostic Test
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
420 participants
Timeline
2019 – 2023
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional

Video-Laryngoscope Alone or With Bronchoscope for Predicted Difficult Intubation

NCT03080896
View directory record Official record
Conditions
Intubation; Difficult
Interventions
King Vision video-laryngoscope with #3 disposable blade and endotracheal tube stylet, fiberoptic bronchoscope aScope III
Device
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated May 27, 2024 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional Results available

New Maneuver to Facilitate Fiberoptic Intubation for Difficult Airway

NCT01958346
View directory record Official record
Conditions
Anticipated Difficult Airway
Interventions
Lingual Traction, Sham, Fiberoptic Intubation
Other · Device
Lead sponsor
Enrico Camporesi
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 11, 2016 · Synced Sep 10, 2026, 5:11 AM EDT
Terminated Not applicable Interventional Results available

Comparison Between the Fastrach and CTrach Laryngeal Mask Airway

NCT00814775
View directory record Official record
Conditions
Intubation
Interventions
Fastrach Laryngeal Mask, CTrach Laryngeal Mask
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 16, 2016 · Synced Sep 10, 2026, 5:11 AM EDT
Terminated No phase listed Observational

Superior Laryngeal Nerve Block For Awake Endotracheal Intubation Study

NCT01848548
View directory record Official record
Conditions
Awake Endotracheal Intubation, Difficult Intubation, Airway Anesthesia
Interventions
Superior Laryngeal Nerve Block using the Thyrohyoid Membrane as an Anatomic Landmark
Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 10, 2026, 5:11 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Expert Consensus Statements for the Management of a Physiologically Difficult Airway Using the Delphi Method (PDADelphi)

NCT05762068
View directory record Official record
Conditions
Intubation; Difficult or Failed, Intubation Complication, Hemodynamic Instability, Critical Illness
Interventions
Delphi procedure
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional

Nasotracheal Intubation With VL vs DL in Infants Trial

NCT05433155
View directory record Official record
Conditions
Intubation Complication, Intubation; Difficult or Failed, Hypoxia, Hypoxemia, Anesthesia Intubation Complication, Pediatric HD
Interventions
Nasotracheal intubation
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
1 Day to 365 Days
Enrollment
680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
8
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Philadelphia, Pennsylvania + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Initial Experience With Storz C-MAC Video Intubation System

NCT01104090
View directory record Official record
Conditions
Intubation; Difficult
Interventions
C-MAC direct laryngoscopy, C-MAC Indirect laryngoscopy
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional

Air-Q® SP Versus Williams Intubating Airway for Single-Operator FOI

NCT03247803
View directory record Official record
Conditions
Intubation; Difficult or Failed, Laryngeal Masks
Interventions
air-Q® SP, Williams Airway Intubator (WA)
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced Sep 10, 2026, 5:11 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Impact of Manikin Training on Airtraq Avant Learning Curve in Predicted Difficult Airways

NCT01720017
View directory record Official record
Conditions
Education, Training, Manikin
Interventions
Preclinical Manikin Training, Inservice Training
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 1, 2015 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional Results available

Clinical Evaluation of the Storz CMAC Laryngoscope

NCT00956592
View directory record Official record
Conditions
Intubation, Airway Management
Interventions
CMAC video laryngoscope, Macintosh laryngoscope
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 99 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Sep 10, 2026, 5:11 AM EDT
Terminated Not applicable Interventional Results available

Comparison of Double Lumen Tube Placement Techniques

NCT02495259
View directory record Official record
Conditions
Airway Morbidity, Intubation Complication, Tracheal Intubation Morbidity, Anesthesia Intubation Complication, Failed or Difficult Intubation, Sequela
Interventions
ZU-bend stylet, GlideScope, GlideRite stylet, Macintosh blade, Regular Double-lumen endobronchial tube (DLT) Stylet
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 26, 2018 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional Results available

Video-laryngoscope With a Novel Video-stylet for Difficult Intubation

NCT01215695
View directory record Official record
Conditions
Difficult Endotracheal Intubation
Interventions
aScope (Ambu Inc. 6740 Baymeadow Drive Glen Burnie, MD), Control
Device
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 7, 2017 · Synced Sep 10, 2026, 5:11 AM EDT
Completed No phase listed Observational

Comparing iView Video Laryngoscope in the Emergency Department

NCT04907695
View directory record Official record
Conditions
Intubation; Difficult or Failed, Airway Obstruction
Interventions
I View Video Laryngoscope https://www.intersurgical.com/content/files/108253/-1977057700
Device
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
168 participants
Timeline
2021 – 2023
U.S. locations
2
States / cities
Denver, Colorado • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 10, 2026, 5:11 AM EDT
Completed No phase listed Observational

Supraglottic Airway Needed To Achieve Ventilation

NCT05190757
View directory record Official record
Conditions
Airway Complication of Anesthesia, Difficult or Failed Intubation
Interventions
Airway and Ventilation
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 4, 2023 · Synced Sep 10, 2026, 5:11 AM EDT
Completed Not applicable Interventional Results available

RIFL (Rigid and Flexing Laryngoscope) vs. Fiberoptic Bronchoscope

NCT01965938
View directory record Official record
Conditions
Intubation; Difficult
Interventions
RIFL (Rigid and Flexing Laryngoscope), Fiberoptic Bronchoscope
Device
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 4, 2017 · Synced Sep 10, 2026, 5:11 AM EDT