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CTRI Number  CTRI/2021/02/031546 [Registered on: 25/02/2021] Trial Registered Prospectively
Last Modified On: 26/07/2021
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Medical Device
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparing (King vision and CMAC-D videolaryngoscopes) two different techniques used to pass tube through airway passage in head and neck surgeries 
Scientific Title of Study   Comparison of intubation performance in King vision and CMAC-D videolaryngoscopes in head and neck surgeries 
Trial Acronym  KVCMACD 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Anchu Abraham 
Designation  post graduate student 
Affiliation  St. Johns Medical college Hospital, Bangalore 
Address  2nd floor Operation theatre complex, Department of Anesthesia and Critical Care, St. Johns Medical college Hospital, Bangalore
2nd floor Operation theatre complex, Department of Anesthesia and Critical Care, St. Johns Medical college Hospital, Bangalore
Bangalore
KARNATAKA
560034
India 
Phone  9400453016  
Fax    
Email  anchu.abraham@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr MManjuladevi 
Designation  Associate Professor 
Affiliation  St. Johns Medical college Hospital, Bangalore 
Address  2nd floor Operation theatre complex,Department of Anesthesia and Critical Care, St. Johns Medical college Hospital, Bangalore
2nd floor Operation theatre complex, Department of Anesthesia and Critical Care, St. Johns Medical college Hospital, Bangalore
Bangalore
KARNATAKA
560034
India 
Phone  9449059395  
Fax    
Email  drmanjula95@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr Anchu Abraham 
Designation  Post graduate student 
Affiliation  St. Johns Medical college Hospital 
Address  2nd floor Operation theatre complex,Department of Anesthesia and Critical Care, St. Johns Medical college Hospital, Bangalore
2nd floor Operation theatre complex,Department of Anesthesia and Critical Care, St. Johns Medical college Hospital, Bangalore
Bangalore
KARNATAKA
560034
India 
Phone  9400453016  
Fax    
Email  anchu.abraham@gmail.com  
 
Source of Monetary or Material Support  
St Johns Medical College Hospital Sarjapura Road Kormangala Bangalore-560034 
 
Primary Sponsor  
Name  DrAnchu Abraham 
Address  St Johns Medical College Hospital Sarjapura Road Kormangala Bangalore-560034 
Type of Sponsor  Other [Private medical college] 
 
Details of Secondary Sponsor  
Name  Address 
Nil  Nil 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Anchu Abraham  St. Johns Medical college Hospital, Bangalore  Room 3, 2nd floor , operation theatre complex St. Johns Medical college Hospital, Bangalore
Bangalore
KARNATAKA 
9400453016

anchu.abraham@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTEE, SJMC  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical, (2) ICD-10 Condition: X||New Technology, (3) ICD-10 Condition: 8||Other Procedures, (4) ICD-10 Condition: 5||Extracorporeal or Systemic Assistance and Performance,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  CMAC D videolaryngoscope  Time taken for intubation, easiness for intubation, hemodynamic response like heart rate, Blood pressure, saturation and end tidal carbon dioxide to intubation and complications associated with the intubation 
Comparator Agent  Kingvision videolaryngoscope  Time taken for intubation, easiness for intubation, hemodynamic response like heart rate, Blood pressure, saturation and end tidal carbon dioxide to intubation and complications associated with the intubation 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  59.00 Year(s)
Gender  Both 
Details  Patients of either sex and belonging to ASA I and II category, patients undergoing surgeries in head and neck area (neurosurgical, otorhinolaryngoscopic
surgeries, surgical oncology) under general anaesthesia. 
 
ExclusionCriteria 
Details  Surgeries requiring nasal intubation, patients with difficult mouth opening ( less than two finger breaths/ inter incisor distance less than 3 cm) , patients with maxillofacial injuries and pregnant patients. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
Time taken for intubation between two videolaryngoscopes  preinduction,post induction, preintubation, post intubation(immediate,2min,4min,6min,8min,10min)  
 
Secondary Outcome  
Outcome  TimePoints 
Ease of intubation using Intubation difficulty scoring (IDS)   immediate after intubation 
Intubation response such as baseline saturation
(SpO2), end-tidal carbon dioxide (EtCO2) concentration and hemodynamic responses-
Heart Rate (HR), Systolic Blood Pressure (SBP), Diastolic Blood Pressure (DBP), Mean
Arterial Pressure (MAP)  
preinduction,post induction, preintubation, post intubation(immediate,2min,4min,6min,8min,10min)  
Complications such as dental damage, laceration of tongue / buccal mucosa, blood in
pharynx/ video laryngoscope blade, desaturation, bronchospasm will be recorded. 
immediate after intubation 
 
Target Sample Size   Total Sample Size="110"
Sample Size from India="110" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   01/03/2021 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   NIL 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  
Airway management is an integral part of general anaesthesia. In spite of recent developments in management of airway, complications arising from failed or difficult intubation are the leading cause of mortality and morbidity during anaesthesia.  The unique design features and technique of use with KVVLs and CMAC-D blade may differ in intubation, oropharyngeal stimulation and consequent pressor response. We planned to conduct this study, since there is paucity of clinical research comparing these two video laryngoscopes (VLs) in head and neck patients. Our aim is to compare the intubation performance between the two VLs. Primary objective is to compare time of intubation and secondary objectives includes (a) ease of intubation (b) intubation response and (c) complications between the two VLs.
 
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