Cesarean SectionNCT07050914
Comparison of McGrath Laryngoscope With Macintosh Laryngoscope in Obstetric Patients Undergoing Cesarean Section
A study testing McGrath Video Laryngoscope and Macintosh Laryngoscope in people with Cesarean Section, run by Aga Khan University at 1 site in Pakistan.
Trial summary
The goal of this clinical trial is to compare the McGrath video laryngoscope with the Macintosh laryngoscope in patients undergoing cesarean section. Read more about this study
- Who is it for?
- Ages 18 to 45 years, women onlyHealthy volunteers can take part
- Conditions the study is for
- Cesarean Section
- What is being tested?
- McGrath Video Laryngoscope and Macintosh Laryngoscope
- Type of treatment
- Medical device
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 60 participants
- Where
- 1 sitePakistan
- Study dates
- 15 Dec 2021to 30 Aug 2022
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 45 years
- Women only
- Healthy volunteers accepted
- Adult
Who may be able to join
- Age 18 - 45 years
- American society of Anesthesiologists (ASA) II patients
Who cannot join
- Category 1 Cesarean section
- Anticipated difficult airway
- Renal, hepatic, neuro-muscular, or cardiovascular illness
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Comparison of McGrath Laryngoscope With Macintosh Laryngoscope in Obstetric Patients Undergoing Cesarean Section With Regards to Time of Intubation and Laryngeal View: A Randomized Controlled Trial
The goal of this clinical trial is to compare the McGrath video laryngoscope with the Macintosh laryngoscope in patients undergoing cesarean section.
- Conditions
- Cesarean Section
- Being tested
- McGrath Video Laryngoscope, Macintosh Laryngoscope
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
McGrath Video LaryngoscopeDevice
A video laryngoscope.
Macintosh LaryngoscopeDevice
A classic laryngoscope.
| Study group | Role | What they receive |
|---|---|---|
| Group McGrath Laryngoscope | Experimental | Not described Receives: Device: McGrath Video Laryngoscope |
| Group Macintosh Laryngoscope | Active comparator | Not described Receives: Device: Macintosh Laryngoscope |
What is being measured
The primary outcome is the main question the study is designed to answer.
Intubation time
Measured: 30 - 60 seconds from laryngoscope insertion in the oral cavity till detection of end tidal carbon dioxide trace.
Cormack Lehane grade
Measured: During laryngoscopy.
Pogo score
Measured: During laryngoscopy.
Secondary outcomes (2)
Mean Arterial Blood Pressure
Measured: Before intubation and 1 minute after intubation
Heart Rate
Measured: Before intubation and 1 minute after intubation.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted3 Jul 2025
- Study start15 Dec 2021
- Primary completion15 Aug 2022
- Study completion30 Aug 2022
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (2)Papers the sponsor has linked to this study.
- Other trials for Cesarean SectionStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Participant
- Enrolment
- 60 participants (actual)
Sponsor and investigators
- Lead sponsor
- Aga Khan University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Sobia Khan, Aga Khan University
- Investigators
- Sobia Khan, FCPS, Principal investigator, Aga Khan University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07050914
- Sponsor's protocol ID
- 2021-6490-20096
- Status last verified
- Jul 2025
- First submitted
- 12 Jun 2025
- Last updated
- 3 Jul 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
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 27185681Arici 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
Study at a glance
From the registry record, last updated by the sponsor on 3 Jul 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Comparison of McGrath Laryngoscope With Macintosh Laryngoscope in Obstetric Patients Undergoing Cesarean Section With Regards to Time of Intubation and Laryngeal View: A Randomized Controlled Trial
- ClinicalTrials.gov ID
- NCT07050914
- Acronym / sponsor ID
- 2021-6490-20096
- Conditions
- Cesarean Section
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 60 participants (actual)
- Lead sponsor
- Aga Khan UniversityUniversity, hospital or other
- Study start
- 15 Dec 2021 (actual)
- Primary completion
- 15 Aug 2022 (actual)
- Study completion
- 30 Aug 2022 (actual)
- First posted
- 3 Jul 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The goal of this clinical trial is to compare the McGrath video laryngoscope with the Macintosh laryngoscope in patients undergoing cesarean section.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (participant)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Group McGrath Laryngoscope | Experimental | Device: McGrath Video Laryngoscope |
| Group Macintosh Laryngoscope | Active comparator | Device: Macintosh Laryngoscope |
Who may qualify
- Ages
- 18 to 45 years
- Sex
- Female only
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (2 listed)
- Age 18 - 45 years
- American society of Anesthesiologists (ASA) II patients
Key exclusion criteria (3 listed)
- Category 1 Cesarean section
- Anticipated difficult airway
- Renal, hepatic, neuro-muscular, or cardiovascular illness
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| McGrath Video LaryngoscopeA video laryngoscope. | Device | Group McGrath Laryngoscope |
| Macintosh LaryngoscopeA classic laryngoscope. | Device | Group Macintosh Laryngoscope |
Primary outcome
Intubation time
Time frame: 30 - 60 seconds from laryngoscope insertion in the oral cavity till detection of end tidal carbon dioxide trace.
Cormack Lehane grade
Time frame: During laryngoscopy.
Pogo score
Time frame: During laryngoscopy.
2 secondary outcomes
Mean Arterial Blood Pressure
Time frame: Before intubation and 1 minute after intubation
Heart Rate
Time frame: Before intubation and 1 minute after intubation.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 3 Jul 2025.
- Results publication: PubMed 27185681Yumul 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.
- Results publication: PubMed 25558638Arici 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.
- Individual participant dataSharing planned: No
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Ultrasound Assessment Of Gastric Volume In Pregnant Women Undergoing Elective Cesarean Section
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Sobia Khan, FCPS principal investigator
Aga Khan University
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing McGrath Video Laryngoscope and Macintosh Laryngoscope in people with Cesarean Section, run by Aga Khan University at 1 site in Pakistan.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 3 Jul 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Pakistan. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Intubation time (time frame: 30 - 60 seconds from laryngoscope insertion in the oral cavity till detection of end tidal carbon dioxide trace.). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT07050914, which also lists 2 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 3 Jul 2025.