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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Difficult Airway Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Incidence of Difficult Airway and Difficult Neuraxial Placement in Obstetric Patients

NCT02193542
View directory record Official record
Conditions
Indication for Care or Intervention Related to Labor or Delivery With Baby Delivered
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
Female only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 22, 2026, 5:02 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 22, 2026, 5:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

STorz Against Glidescope Effectiveness

NCT01632683
View directory record Official record
Conditions
Difficult Airway
Interventions
C-MAC, Glidescope
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 100 Years
Enrollment
1,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 29, 2017 · Synced Jul 22, 2026, 5:02 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 22, 2026, 5:02 PM EDT
Completed Not applicable Interventional Results available

Mechanisms and Management of Infant Dysphagia

NCT02583360
View directory record Official record
Conditions
Dysphagia, Airway Aspiration, Airway Penetration
Interventions
Combined testing (diagnostic VFSS + research HRM) + Parent Preferred Therapy
Diagnostic Test
Lead sponsor
Sudarshan Jadcherla
Other
Eligibility
38 Weeks to 60 Weeks
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 22, 2021 · Synced Jul 22, 2026, 5:02 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 22, 2026, 5:02 PM EDT
Completed Phase 4 Interventional Results available

Air-Q Intubating Laryngeal Airway Versus the Laryngeal Mask Airway (LMA)-Proseal

NCT01328405
View directory record Official record
Conditions
Difficult Airway, Anesthesia; Functional
Interventions
Laryngeal Mask Airway (LMA)
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 22, 2015 · Synced Jul 22, 2026, 5:02 PM 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 Jul 22, 2026, 5:02 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 22, 2026, 5:02 PM 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 Jul 22, 2026, 5:02 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 22, 2026, 5:02 PM EDT
Completed Phase 4 Interventional Results available

Acetaminophen's Efficacy For Post-operative Pain

NCT01721486
View directory record Official record
Conditions
Tonsillitis, Airway Obstruction, Difficulty Swallowing
Interventions
IV acetaminophen, PO acetaminophen
Drug
Lead sponsor
Kaveh Aslani, MD
Other
Eligibility
5 Years to 13 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 7, 2017 · Synced Jul 22, 2026, 5:02 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 22, 2026, 5:02 PM EDT
Completed Not applicable Interventional Results available

Comparison of Airway Intubation Devices When Using a Biohazard Suit

NCT01924559
View directory record Official record
Conditions
Intubation; Difficult
Interventions
standard clothing, Biohazard gear, Direct Laryngoscopy, Glidescope, Supraglottic Airway
Other · Device
Lead sponsor
Lehigh Valley Hospital
Other
Eligibility
18 Years to 126 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Allentown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2017 · Synced Jul 22, 2026, 5:02 PM EDT
Recruiting No phase listed Observational

Improving Safety and Quality of Tracheal Intubation Practice in Pediatric ICUs

NCT02493478
View directory record Official record
Conditions
Failed or Difficult Intubation, Sequela, Intubation; Difficult, Intubation Complication
Interventions
Not listed
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Not listed
Enrollment
150,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2030
U.S. locations
63
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 50 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Jul 22, 2026, 5:02 PM 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 Jul 22, 2026, 5:02 PM 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 Jul 22, 2026, 5:02 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 22, 2026, 5:02 PM EDT
Withdrawn Not applicable Interventional

Airway Ultrasound Prediction and Correlation

NCT03313947
View directory record Official record
Conditions
Obstructive Sleep Apnea, Difficult Airway
Interventions
Ultrasound, Questionnaire
Procedure · Other
Lead sponsor
Vidya Raman
Other
Eligibility
3 Years to 12 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2020 · Synced Jul 22, 2026, 5:02 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 22, 2026, 5:02 PM EDT
Completed Not applicable Interventional Results available

Comparison of Effectiveness of Mask Ventilation and Endotracheal Tube in Pharynx (TTIP) in Patients With Potential Difficult Airway

NCT05005390
View directory record Official record
Conditions
Ventilation Therapy; Complications
Interventions
TTIP ventilation, Mask Ventilation
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2024 · Synced Jul 22, 2026, 5:02 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 22, 2026, 5:02 PM 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 Jul 22, 2026, 5:02 PM EDT
Recruiting No phase listed Observational

CRICKET: Critical Events in Anaesthetised Kids Undergoing Tracheal Intubation

NCT05804188
View directory record Official record
Conditions
Intubation Complication, Adverse Events
Interventions
tracheal intubation
Other
Lead sponsor
Thomas Riva
Other
Eligibility
Up to 16 Years
Enrollment
105,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jul 22, 2026, 5:02 PM EDT