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Showing 25–45 of 21 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Intubation;Difficult Clear all
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, 1:59 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 Jul 22, 2026, 1:59 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 22, 2026, 1:59 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 22, 2026, 1:59 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 Jul 22, 2026, 1:59 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 22, 2026, 1:59 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 22, 2026, 1:59 PM EDT
Terminated Not applicable Interventional Results available

Novel Airway Device to Aid Endotracheal Intubations

NCT03340207
View directory record Official record
Conditions
Intubation Complication, Intubation;Difficult
Interventions
Pneumaglide
Device
Lead sponsor
University at Buffalo
Other
Eligibility
18 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2022 · Synced Jul 22, 2026, 1:59 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 22, 2026, 1:59 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 Jul 22, 2026, 1:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Can Neck Circumference Measurements Less Than 43cm or Greater Than 43cm Predict Difficulty of Tracheal Intubation?

NCT01191658
View directory record Official record
Conditions
Neck Circumference, Difficulty of Tracheal Intubation
Interventions
Not listed
Lead sponsor
CAMC Health System
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Charleston, West Virginia
Source: ClinicalTrials.gov public record
Updated Jul 14, 2011 · Synced Jul 22, 2026, 1:59 PM EDT
Completed Phase 4 Interventional

Comparison of the Video and Macintosh Laryngoscope in Patients Who May be Difficult to Intubate

NCT00178555
View directory record Official record
Conditions
Intubation, Endotracheal
Interventions
DCI Video Intubation System-Macintosh Laryngoscope, Macintosh Laryngoscope
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Timeline
2003 – 2007
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 22, 2016 · Synced Jul 22, 2026, 1:59 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 22, 2026, 1:59 PM 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 Jul 22, 2026, 1:59 PM EDT
Completed Phase 4 Interventional

Nasogastric Tube Insertion Using Midazolam in the Emergency Department

NCT01375634
View directory record Official record
Conditions
Intubation; Difficult
Interventions
Midazolam
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 21, 2013 · Synced Jul 22, 2026, 1:59 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 Jul 22, 2026, 1:59 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 22, 2026, 1:59 PM 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 Jul 22, 2026, 1:59 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 22, 2026, 1:59 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 22, 2026, 1:59 PM 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 Jul 22, 2026, 1:59 PM EDT