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CTRI Number  CTRI/2024/07/071153 [Registered on: 23/07/2024] Trial Registered Prospectively
Last Modified On: 11/07/2024
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Single Arm Study 
Public Title of Study   An observational study on the success rate in placement of Block Buster LMA(BBLMA) in blind endotracheal intubation 
Scientific Title of Study   performance of blockbuster LMA for ease of endotracheal intubation 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Hariharan Lyla Manojji 
Designation  post grauadate 
Affiliation  Sree Balaji Medical College 
Address  21/B malangadhturam 3rd street Zameen Pallavaram Chennai 600043.
7, CLC Works Road, Chromepet, Chennai- 44
Chennai
TAMIL NADU
600043
India 
Phone  9940637463  
Fax    
Email  manojji02@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Vidhya 
Designation  professor 
Affiliation  sree balaji medical college and hospital 
Address  sree balaji medical college and hospital no.7 clc works road chrompet chennai 600044.
Department of Anaesthesia, 3rd floor, Sree Balaji Medical College and Hospital no.7 clc works road chrompet chennai 600044.
Chennai
TAMIL NADU
600044
India 
Phone  9597836540  
Fax    
Email  drvidhya.subramanian@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Annu Theagrajan 
Designation  Associate professor 
Affiliation  sree balaji medical college and hospital 
Address  sree balaji medical college and hospital no.7 clc works road chrompet chennai 600044.
Department of Anaesthesia, 3rd floor, Sree Balaji Medical College and Hospital no.7 clc works road chrompet chennai 600044.
Chennai
TAMIL NADU
600044
India 
Phone  9597836540  
Fax    
Email  drannuprahlad@gmail.com  
 
Source of Monetary or Material Support  
sree Balaji Medical College and Hospital, 
 
Primary Sponsor  
Name  sree Balaji Medical college and Hospital 
Address  no.7 clc works road, chrompet. chennai 60044. 
Type of Sponsor  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 hariharan lyla manojji  sree balaji medical college and hospital  Operation theatre complex, 4th floor, Dept of Anaesthesia, sree Balaji Medical college and Hospital no.7 clc works road chrompet chennai 600044.
Chennai
TAMIL NADU 
9940637463

manojji02@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
institutional ethics committee and   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  patients undergoing surgery under general anaesthesia 
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  nil  nil 
Intervention  nil  nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  all patients undergoing general anaesthesia.
ASA I and II. 
 
ExclusionCriteria 
Details  patient refusal.
ASA III, IV.
rapid sequence intubation.
weight loss 30kg and more than 90kg.
mouth opening less than 2 fingers.
cases requiring nasal intubation.
emergency cases.
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To evaluate the success rate of blind intubation using Block Buster LMA.  1. insertion of LMA,
2. insertion of endotracheal tube and confirmation of placement- 2minutes 
 
Secondary Outcome  
Outcome  TimePoints 
ease & time taken for intubation, postoperative sore throat, hoarseness of voice & trauma.  1. at the end of surgery
2. 6 hours post operatively
3. 12 hours post operatively 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "60"
Final Enrollment numbers achieved (India)="60" 
Phase of Trial   N/A 
Date of First Enrollment (India)   16/08/2024 
Date of Study Completion (India) 14/08/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  

Endotracheal intubation is the definitive airway for ventilation and to prevent aspiration, during general anaesthesia. The invention of supra glottic devices in 1981 changed the focus of airway management, from intubation to oxygenation and ventilation. With progress of time, supra glottic devices with advanced features like anatomical similarity, intubation facility increased cuff volume to have good sealing pressure. They may be used as a temporary method to maintain an open airway during the administration of anaesthesia or as an immediate life-saving measure in a patient with a difficult or failed airway.

A newer LMA called Tourens BlockBuster® LMA invented in 2012 has been gaining popularity to provide increased safety and quality of anaesthesia; it is advantageous in providing ventilation, intubation and it also has inlet and outlet for gastric channel and with sputum collection device.  
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