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CompletedNCT07050914Updated Jul 3, 2025

Comparison of McGrath Laryngoscope With Macintosh Laryngoscope in Obstetric Patients Undergoing Cesarean Section

An interventional study of McGrath Video Laryngoscope and Macintosh Laryngoscope in Cesarean Section, sponsored by Aga Khan University. Completed at 1 site in Pakistan. Open to female participants aged 18 Years to 45 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-07-03.

Sponsored by Aga Khan University · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Registered 3 years 5 months after the study started (first participant enrolled Dec 2021, registered Jun 2025).
Phase
Not applicable
Study type
Interventional
Enrollment
60
Allocation
Randomized
Ages
18 Years to 45 Years
Sex
Female
01

Study summary

The goal of this clinical trial is to compare the McGrath video laryngoscope with the Macintosh laryngoscope in patients undergoing cesarean section.

02

Conditions studied

  • Cesarean Section
03

In context

Lead sponsor

Aga Khan University is the lead sponsor of 290 studies on the registry; 44 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 45 Years
Sexes eligible
Female
Accepts healthy volunteers
Yes

Inclusion criteria

  • Age 18 - 45 years
  • American society of Anesthesiologists (ASA) II patients

Exclusion criteria

Exclusion Criteria:

  • Category 1 Cesarean section
  • Anticipated difficult airway
  • Renal, hepatic, neuro-muscular, or cardiovascular illness
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Participant)
Enrollment
60 participants (actual)

Study arms

  • Experimental
    Group McGrath Laryngoscope

    Device: McGrath Video Laryngoscope

  • Active comparator
    Group Macintosh Laryngoscope

    Device: Macintosh Laryngoscope

Interventions

  • DeviceMcGrath Video Laryngoscope

    A video laryngoscope.

  • DeviceMacintosh Laryngoscope

    A classic laryngoscope.

06

What researchers measure

Primary outcomes

  1. Intubation time

    Time frame: 30 - 60 seconds from laryngoscope insertion in the oral cavity till detection of end tidal carbon dioxide trace.

  2. Cormack Lehane grade

    Time frame: During laryngoscopy.

  3. Pogo score

    Time frame: During laryngoscopy.

Secondary outcomes

  1. Mean Arterial Blood Pressure

    Time frame: Before intubation and 1 minute after intubation

  2. Heart Rate

    Time frame: Before intubation and 1 minute after intubation.

07

Study locations

1 site
  • Aga Khan University
    Karachi, Sindh, Pakistan
08

References and documents

Publications

  • Yumul R, Elvir-Lazo OL, White PF, Sloninsky A, Kaplan M, Kariger R, Naruse R, Parker N, Pham C, Zhang X, Wender RH. Comparison of three video laryngoscopy devices to direct laryngoscopy for intubating obese patients: a randomized controlled trial. J Clin Anesth. 2016 Jun;31:71-7. doi: 10.1016/j.jclinane.2015.12.042. Epub 2016 Mar 23. PubMed 27185681 ↗
  • Arici S, Karaman S, Dogru S, Karaman T, Tapar H, Ozsoy AZ, Kaya Z, Suren' M. The McGrath Series 5 video laryngoscope versus the Macintosh laryngoscope: a randomized trial in obstetric patients. Turk J Med Sci. 2014;44(3):387-92. doi: 10.3906/sag-1306-71. PubMed 25558638 ↗

Individual participant data

Plan to share: No

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 3, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07050914
Lead sponsor
Aga Khan University
Responsible party
Sobia Khan (Assistant Professor, Aga Khan University) — Principal investigator
First posted
Jul 3, 2025
Start date
Dec 15, 2021
Primary completion
Aug 15, 2022
Completion
Aug 30, 2022
Last update
Jul 3, 2025

Study contacts

Sobia Khan, FCPS
principal investigator · Aga Khan University

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jul 2025. You cannot join it, but the record below documents what was studied.

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