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CTRI Number  CTRI/2025/05/087102 [Registered on: 20/05/2025] Trial Registered Prospectively
Last Modified On: 18/05/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   To compare oropharyngeal leak pressure of Blockbuster and Proseal Laryngeal Mask Airway in paediatric patients undergoing surgery under General Anaesthesia  
Scientific Title of Study   Comparison of Oropharyngeal leak pressure of Blockbuster vs Proseal Laryngeal Mask Airway in pediatric patients undergoing elective surgery under General Anaesthesia  
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Gurkaran Kaur Sidhu 
Designation  Professor 
Affiliation  GGSMCH, Faridkot 
Address  Department of Anaesthesiology, GGSMCH, Faridkot, Punjab

Faridkot
PUNJAB
151203
India 
Phone  9876766522  
Fax    
Email  sugarsidhu2007@outlook.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Gurkaran Kaur Sidhu 
Designation  Professor 
Affiliation  GGSMCH, Faridkot 
Address  Department of Anaesthesiology, GGSMCH, Faridkot, Punjab

Faridkot
PUNJAB
151203
India 
Phone  9876766522  
Fax    
Email  sugarsidhu2007@outlook.com  
 
Details of Contact Person
Public Query
 
Name  Dr Gurkaran Kaur Sidhu 
Designation  Professor 
Affiliation  GGSMCH, Faridkot 
Address  Department of Anaesthesiology, GGSMCH, Faridkot, Punjab

Faridkot
PUNJAB
151203
India 
Phone  9876766522  
Fax    
Email  sugarsidhu2007@outlook.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology, GGSMCH, Faridkot, Punjab, India, 151203 
 
Primary Sponsor  
Name  Dr Gurkaran Kaur Sidhu 
Address  Department of Anaesthesiology, GGSMCH, Faridkot, Punjab, India, 151203 
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
Dr Ashish Chhabra  Div of Pediatric Surgery, Department of Surgery, GGSMCH, Faridkot 
Dr Seema Jindal  Department of Anaesthesiology, GGSMCH, Faridkot 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Pranati Garg  Guru Gobind Singh Medical College and Hospital  Department of Anaesthesiology, GGSMCH, Faridkot
Faridkot
PUNJAB 
08168435038

pranatigarg29@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Ethics Committee of GGSMCH, Faridkot  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K35-K38||Diseases of appendix, (2) ICD-10 Condition: N43||Hydrocele and spermatocele, (3) ICD-10 Condition: K40||Inguinal hernia,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Blockbuster Laryngeal Mask Airway  The patient will be placed in supine position. Head will be tilted backward with a pillow. Fixed band will be placed to the back of the neck. Patient’s mouth will be opened with the left hand and the blockbuster LMA will be placed along the mouth axis with the right hand. When resistance will be encountered, we will gently push the patient’s forehead with the left hand to tilt the head and then we will push the LMA in left-right rotating motion with the right hand. Then we will inflate the cuff with a syringe to about 30 cmH2O. Breathing circuit will then be connected and positive pressure ventilation will be given. 
Comparator Agent  Proseal Laryngeal Mask Airway  The patient will be positioned in sniffing posture. The cuff of Proseal LMA will be deflated into a wedge shape. The cricoid pressure may be briefly released to allow the Proseal LMA to pass. The metal introducer tip will be inserted into the strap at the top of the cuff. On either side of the introducer, airway and the drainage tubes will be folded around the matching slots. On the posterior tip lubricant will be applied then pressed against the hard palate and maneuvered to spread the lubricant along the hard palate. Keeping the introducer close to the chin, ensuring that the cuff will not fold over, the introducer will be swung inward in a smooth circular movement. Then jaw will be pushed downward with the middle finger, but not too wide open because this maneuver may cause the tongue and the epiglottis to drop downward and block the passage. The Proseal LMA will be advanced until resistance is felt.After placing the Proseal LMA, an adequate cuff pressure of upto 60cm H2O would be given. 
 
Inclusion Criteria  
Age From  2.00 Year(s)
Age To  10.00 Year(s)
Gender  Both 
Details  1. Pediatric patients of age 2-10 years, weighing 10-30 kg, after having valid
informed and written consent from parents/ Guardians
2. American Society of Anaesthesiologist Grade I and II.
3. Posted for elective surgeries under general anaesthesia 
 
ExclusionCriteria 
Details  1. Patients having high risk of aspiration.
2. Patients having recent (last 10 days) upper respiratory tract infection. (URTI)
3. Patients having restricted mouth opening or anticipated difficult airway.
4. Any facial, laryngeal and pharyngeal anatomy problem. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To assess the oropharyngeal leak pressure with Blockbuster LMA in pediatric patients undergoing elective surgery under general anaesthesia.
To assess the oropharyngeal leak pressure with Proseal
LMA in pediatric
patients undergoing elective surgery under general anaesthesia. 
Till 1 minute after securing the airway 
 
Secondary Outcome  
Outcome  TimePoints 
To compare the oropharyngeal leak pressure of LMA Blockbuster with LMA
Proseal in pediatric patients undergoing elective surgery under general
anaesthesia. 
Till 1 minute after securing the airway 
To compare the oropharyngeal leak percentage of LMA Blockbuster with LMA
Proseal in pediatric patients undergoing elective surgery under general
anaesthesia. 
5 mins post device insertion 
To compare the Peak Inspiratory Pressure of LMA Blockbuster with LMA
Proseal in pediatric patients undergoing elective surgery under general anaesthesia. 
Just before extubation 
To compare the Insertion Time of LMA Blockbuster with LMA
Proseal in pediatric patients undergoing elective surgery under general anaesthesia. 
Just after device insertion 
To compare the Number of attempts for LMA Blockbuster with LMA
Proseal in pediatric patients undergoing elective surgery under general anaesthesia. 
Just after device insertion 
To compare the Ease of Insertion of LMA Blockbuster with LMA
Proseal in pediatric patients undergoing elective surgery under general anaesthesia. 
Just after device insertion 
To compare the hemodynamic parameters of LMA Blockbuster with LMA
Proseal in pediatric patients undergoing elective surgery under general anaesthesia. 
Till the end of surgery 
To compare the Post of Complications of LMA Blockbuster with LMA
Proseal in pediatric patients undergoing elective surgery under general anaesthesia. 
Just after extubation 
 
Target Sample Size   Total Sample Size="34"
Sample Size from India="34" 
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   Post Marketing Surveillance 
Date of First Enrollment (India)   31/05/2025 
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="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
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   Airway management is a challenging task in children and a variety of devices have been developed precisely for this purpose. Supraglottic airway devices [SAD] are standard equipment in airway management. They play an important role between face mask and tracheal tube in terms of airway device position and degree of invasiveness in patient’s airway. These supraglottic airway devices are used to ventilate the patient above the level of vocal cords. The Proseal mask and the Blockbuster LMA are new generation SAD with an incorporated gastric channel. 
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