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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
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 Jul 23, 2026, 6:16 PM EDT
Completed No phase listed Observational

The Difficult Airway

NCT03671824
View directory record Official record
Conditions
Intubation;Difficult
Interventions
Measurements
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
4,022 participants
Timeline
2016 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Jul 23, 2026, 6:16 PM EDT
Terminated Not applicable Interventional Results available

King Vision Video Laryngoscope Versus Glidescope Video Laryngoscope

NCT02324465
View directory record Official record
Conditions
Difficult Intubation
Interventions
King Vision Video Laryngoscope, Glidescope Video Laryngoscope
Device
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Jul 23, 2026, 6:16 PM EDT
Completed No phase listed Observational

Evaluation of Prophylactic Endotracheal Intubation

NCT03716466
View directory record Official record
Conditions
Intubation;Difficult, Gastrointestinal Bleeding
Interventions
Endotracheal intubation, No airway intervention
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
65 participants
Timeline
2018 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2022 · Synced Jul 23, 2026, 6:16 PM EDT
Terminated Not applicable Interventional Results available

Three-dimensional Craniofacial Phenotyping of Patients With Difficult Airway

NCT01630694
View directory record Official record
Conditions
Failed or Difficult Intubation
Interventions
3D Laser Scanning of the Head, Measurements and Digital Photo's of the head, neck and Mouth, Ultrasound Exam of the Tongue
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2016 · Synced Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Facial Analysis to Classify Difficult Intubation

NCT01612949
View directory record Official record
Conditions
Difficult Intubation
Interventions
photographing head and neck
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 99 Years
Enrollment
3,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Comparison Between Two Video Laryngoscopes,in Successfully Intubating Pediatric Mannequins w/wo Difficult Airways

NCT02198742
View directory record Official record
Conditions
Intubation; Difficult
Interventions
Miller blade, Truview PCD, Glidescope Cobolt
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 2, 2015 · Synced Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM EDT
Completed Not applicable Interventional Results available

Head Motion in Pediatric Patients Endotracheally Intubated With Video Laryngoscopy Versus Direct Laryngoscopy

NCT02405390
View directory record Official record
Conditions
Intubation; Difficult, Cervical Spine Injury
Interventions
Video Laryngoscopy, Direct Laryngoscopy, Storz C-Mac® laryngoscope
Procedure · Device
Lead sponsor
Nicklaus Children's Hospital f/k/a Miami Children's Hospital
Other
Eligibility
Up to 8 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 11, 2017 · Synced Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM EDT
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 Jul 23, 2026, 6:16 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers Results available

Voice Analysis as a Predictor for Difficult Intubations

NCT04105738
View directory record Official record
Conditions
Anesthesia, Difficult Intubation, Difficult Airway Intubation, Speech Dysfunction, Surgery
Interventions
Not listed
Lead sponsor
J. Matthias Walz
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM EDT
Completed Not applicable Interventional Results available

Tracheal Intubation Coaching in NICUs

NCT03194503
View directory record Official record
Conditions
Failed or Difficult Intubation, Sequela, Intubation;Difficult, Intubation Complication
Interventions
VL Coaching training using C-MAC video laryngoscope
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
22 Years to 70 Years
Enrollment
1,512 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
8
States / cities
La Jolla, California • Aurora, Colorado • New Haven, Connecticut + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Jul 23, 2026, 6:16 PM 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 Jul 23, 2026, 6:16 PM EDT
Terminated Not applicable Interventional Results available

Use of Dexmedetomidine to Facilitate Extubation in Surgical ICU Patients Who Failed Previous Weaning Attempts

NCT00464490
View directory record Official record
Conditions
Intubation; Difficult, Respiration Disorders
Interventions
Dexmedetomidine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 69 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2014 · Synced Jul 23, 2026, 6:16 PM EDT
Withdrawn Not applicable Interventional

Fospropofol for Sedation During Elective Awake Intubation

NCT01289483
View directory record Official record
Conditions
Impaired Airway Clearance
Interventions
fospropofol
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Jul 23, 2026, 6:16 PM EDT