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ClinicalTrials.gov public records Last synced May 22, 2026, 5:43 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Difficult Airway Clear all
Enrolling by invitation No phase listed Observational Accepts healthy volunteers
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 May 22, 2026, 5:43 AM EDT
Enrolling by invitation Not applicable Interventional
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 May 22, 2026, 5:43 AM EDT
Completed No phase listed Observational
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 May 22, 2026, 5:43 AM EDT
Completed Phase 4 Interventional Results available
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 May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional
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 May 22, 2026, 5:43 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers
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 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2022 · Synced May 22, 2026, 5:43 AM EDT
Completed No phase listed Observational
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 May 22, 2026, 5:43 AM EDT
Withdrawn Not applicable Interventional
View directory record Official record
Conditions
Difficult Airway, Obstructive Sleep Apnea
Interventions
Ultrasound
Procedure
Lead sponsor
Vidya Raman
Other
Eligibility
1 Month to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 9, 2020 · Synced May 22, 2026, 5:43 AM EDT
Terminated Not applicable Interventional Results available
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 May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional
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 May 22, 2026, 5:43 AM EDT
Completed No phase listed Observational
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 May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Results available
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 May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Results available
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 May 22, 2026, 5:43 AM EDT
Terminated Not applicable Interventional Results available
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 May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Results available
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 May 22, 2026, 5:43 AM EDT
Recruiting No phase listed Observational
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 May 22, 2026, 5:43 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers Results available
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 May 22, 2026, 5:43 AM EDT
Terminated No phase listed Observational
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 May 22, 2026, 5:43 AM EDT
Terminated Not applicable Interventional Results available
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 May 22, 2026, 5:43 AM EDT
Recruiting Not applicable Interventional
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 May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Results available
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 May 22, 2026, 5:43 AM EDT
Completed Not applicable Interventional Results available
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 May 22, 2026, 5:43 AM EDT
Withdrawn Not applicable Interventional
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 May 22, 2026, 5:43 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
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 May 22, 2026, 5:43 AM EDT