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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
Enrolling by invitation Not applicable Interventional

Long-term Evaluation of Nasopharyngeal Airway in Hypotonia

NCT06614582
View directory record Official record
Conditions
Hypotonia, Muscle, Obstructive Sleep Apnea, Nasal Airway Obstruction
Interventions
Self-Supporting Nasopharyngeal Airway (ssNPA)
Device
Lead sponsor
University of Michigan
Other
Eligibility
3 Years to 23 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 PM 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 8, 2026, 4:30 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 Sep 8, 2026, 4:30 PM 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 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 PM EDT
Completed No phase listed Observational

Utility of Bedside Ultrasound in the Prediction of Difficult Airway

NCT00799357
View directory record Official record
Conditions
Laryngoscopy
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 PM 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 8, 2026, 4:30 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 Sep 8, 2026, 4:30 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 Sep 8, 2026, 4:30 PM 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 8, 2026, 4:30 PM EDT