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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Macintosh Clear all
Completed Not applicable Interventional Results available

Endotracheal Intubation Using Videolaryngoscopy Versus Conventional Direct Laryngoscopy

NCT04701762
View directory record Official record
Conditions
Intubation, Laryngoscopy
Interventions
GlideScope videolaryngoscope (Verathon, Bothell, Washington 98011), Direct laryngoscopy
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
7,736 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 4, 2026, 10:29 AM EDT
Recruiting Not applicable Interventional

Laryngoscopy for Neonatal and Infant Airway Management wIth Supplemental Oxygen at Different Flow Rates (OPTIMISE-2)

NCT05967507
View directory record Official record
Conditions
Airway Management
Interventions
Low-flow nasal supplemental oxygen with a conventional nasal cannula during tracheal intubation with the C-MAC video laryngoscope, High-flow nasal supplemental oxygen (Fisher & Paykel, Auckland, New Zealand) during tracheal intubation with the C-MAC video laryngoscope
Device
Lead sponsor
Thomas Riva
Other
Eligibility
Up to 52 Weeks
Enrollment
1,192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 4, 2026, 10:29 AM EDT
Completed Not applicable Interventional Results available

McGrath Videolaryngoscopy and Direct Laryngoscopy in Morbidly Obese Patients

NCT03467048
View directory record Official record
Conditions
Morbid Obesity
Interventions
McGrath videolaryngoscopy, Direct laryngoscopy
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Sep 4, 2026, 10:29 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Endotracheal Tube Placement Using McGrath MAC® Video Laryngoscope Versus Macintosh Laryngoscope

NCT03503279
View directory record Official record
Conditions
Intubation
Interventions
McGrath MAC® Video Laryngoscope
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 31, 2020 · Synced Sep 4, 2026, 10:29 AM EDT
Completed Not applicable Interventional

Cervical Spine Biomechanics During Endotracheal Intubation

NCT01369381
View directory record Official record
Conditions
Spinal Diseases, Other Biomechanical Lesions of Cervical Region, Tracheal Intubation Morbidity
Interventions
Endotracheal intubation
Procedure
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 6, 2012 · Synced Sep 4, 2026, 10:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Incidence of Sore Throat With Traditional Intubation Blades or Glidescope Blade

NCT02033564
View directory record Official record
Conditions
Intratracheal Intubation, Laryngoscopes, Postoperative Care, Risk Assessment
Interventions
Macintosh/Miller Laryngoscope, Glidescope Laryngoscope
Device
Lead sponsor
Jason Ngo, B.S.
Other
Eligibility
18 Years to 80 Years
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2014 · Synced Sep 4, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

Comparative Effectiveness of Intubating Devices in the Morbidly Obese

NCT01114945
View directory record Official record
Conditions
Obesity
Interventions
McGrath, GlideScope, Direct Macintosh Laryngoscopy, Video-Mac
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2016 · Synced Sep 4, 2026, 10:29 AM EDT
Terminated Not applicable Interventional Results available

Comparison of Direct Laryngoscopy, Truview EVO2 and Glidescope in Pediatric Patients

NCT01023568
View directory record Official record
Conditions
Intubation
Interventions
Macintosh blade, Glidescope, Truview PCD
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Up to 10 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Sep 4, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

Comparing Hemodynamic Changes for Intubation With Shikani Intubating Stylet and Macintosh Laryngoscope

NCT01271543
View directory record Official record
Conditions
Anesthesia
Interventions
Endotracheal Intubation
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Sep 4, 2026, 10:29 AM EDT
Completed Not applicable Interventional Results available

A Comparison of the Infant Truview EVO2 Video Laryngoscope and the Macintosh Laryngoscope in Pediatric Patients

NCT00803751
View directory record Official record
Conditions
Laryngoscopy
Interventions
Truview EVO2 laryngoscope, Macintosh laryngoscope
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Up to 12 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Sep 4, 2026, 10:29 AM 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 Sep 4, 2026, 10:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

VL vs DL in Inexperienced Users: a Pediatric Manikin Study

NCT02991820
View directory record Official record
Conditions
Videolaryngoscopes (VL), Direct Laryngoscopy (DL), Inexperienced Users
Interventions
Miller, Macintosh, C-MAC, GlideScope
Device
Lead sponsor
Joseph D. Tobias
Other
Eligibility
Not listed
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Sep 4, 2026, 10:29 AM EDT
Completed Not applicable Interventional Results available

Comparing the Laryngoscopy View Using Miller and Macintosh Laryngoscopy Blades in Infants Under Two Years of Age

NCT01717872
View directory record Official record
Conditions
Percent of Glottic Opening
Interventions
Laryngoscope blade
Device
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
1 Day to 2 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 19, 2017 · Synced Sep 4, 2026, 10:29 AM EDT
Completed Not applicable Interventional Results available

Evaluation of the Rapid Airway Management Positioner

NCT00581230
View directory record Official record
Conditions
Endotracheal Intubation, Rapid Airway Management Positioner
Interventions
Laryngoscopy with RAMP, Laryngoscopy without RAMP
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 80 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced Sep 4, 2026, 10:29 AM 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 4, 2026, 10:29 AM EDT
Completed Not applicable Interventional Results available

GlideScope Versus Direct Laryngoscope for Emergency Intubation

NCT01235065
View directory record Official record
Conditions
Oral Intubation
Interventions
type of laryngoscope
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2023 · Synced Sep 4, 2026, 10:29 AM EDT
Terminated Not applicable Interventional Results available

Comparison of 3 Direct Laryngoscopes for Tracheal Intubation in Patients Undergoing Lumbar Spine Surgery

NCT02955511
View directory record Official record
Conditions
Anesthesia, Airway
Interventions
Blade MAC size 3, Blade MAC size 3.5, Inscope Blade size 3.5
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 18, 2022 · Synced Sep 4, 2026, 10:29 AM EDT
Completed Not applicable Interventional Results available

Effectiveness of Video System in Improving Learning of Tracheal Intubation Using Standard Laryngoscopy Among Novices

NCT01080118
View directory record Official record
Conditions
Intubation Intraesophageal
Interventions
Airtraq, Control group, taught with a standard Macintosh laryngoscope
Device · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 75 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 1, 2013 · Synced Sep 4, 2026, 10:29 AM 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 Sep 4, 2026, 10:29 AM EDT
Completed Not applicable Interventional Results available

Pentax Airway Scope (AWS) Intubation

NCT00667693
View directory record Official record
Conditions
Obesity
Interventions
Macintosh laryngoscope, Pentax AWS
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Sep 4, 2026, 10:29 AM EDT
Not listed Not applicable Interventional

Video Laryngoscopy Versus Direct Laryngoscopy for Nasotracheal Intubation

NCT03775317
View directory record Official record
Conditions
Intubation, Intratracheal
Interventions
Video Laryngoscopy, Direct Laryngoscopy
Procedure
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 14, 2019 · Synced Sep 4, 2026, 10:29 AM EDT