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CTRI Number  CTRI/2025/06/089275 [Registered on: 20/06/2025] Trial Registered Prospectively
Last Modified On: 19/06/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparison of postoperative sore throat following two type of airway device insertion in laparoscopic day care surgery 
Scientific Title of Study   Evaluation of Second-generation laryngeal mask airway (LMA Protector) for laparoscopic surgeries – A Randomized Controlled Trial  
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. Subodh Kumar 
Designation  ASSISTANT PROFESSOR 
Affiliation  AIIMS 
Address  Room No.- 434, Surgical Block, AIIMS,New Delhi

South
DELHI
110029
India 
Phone  09793184350  
Fax    
Email  subodh.08aiims@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr. Subodh Kumar 
Designation  ASSISTANT PROFESSOR 
Affiliation  AIIMS 
Address  Room No.- 434, Surgical Block, AIIMS,New Delhi

South
DELHI
110029
India 
Phone  09793184350  
Fax    
Email  subodh.08aiims@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr. Subodh Kumar 
Designation  ASSISTANT PROFESSOR 
Affiliation  AIIMS 
Address  Room No.- 434, Surgical Block, AIIMS,New Delhi

South
DELHI
110029
India 
Phone  09793184350  
Fax    
Email  subodh.08aiims@gmail.com  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences, Ansari Nagar, Delhi - 110029 
 
Primary Sponsor  
Name  AIIMS 
Address  ALL Institute of Medical Sciences,Ansari Nagar, Delhi - 110029 
Type of Sponsor  Research institution and hospital 
 
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 SUBODH KUMAR  All India Institute of Medical Sciences  Operation theatre,Surgical and Mother child block, AIIMS, Ansari Nagar , New Delhi
South
DELHI 
09793184350

subodh.08aiims@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
AIIMS INSTITUTE ETHICS COMICS COMMITTEE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K80-K87||Disorders of gallbladder, biliary tract and pancreas,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  AmbuAuraGain  it is an airway device that will remain inserted during surgical duration of around 3 hr 
Intervention  LMA Protector  It is an airway device that will be there till during surgical duration of around 3 hr 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  Age more thab 18 years
Patient for day care laparoscopic surgeries 
 
ExclusionCriteria 
Details  Unwillingness to provide consent
ASA 1 and 2
Body mass index more than 35 kg/m2
Patients with known risk factors for aspiration like GERD.
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Incidence and severity of postoperative sore throat or pharyngodynia  1 hr after Supraglottic airway device removal 
 
Secondary Outcome  
Outcome  TimePoints 
Oropharyngeal leak Pressure  After successful supraglottic airway device insertion 
To compare the insertion time and number of attempts required for insertion between the two groups  3 Minutes after induction 
To compare change in intracuff pressure   after induction, 5 minutes after pneumoperitoneum, 5 minutes after stopping pneumoperitoneum and at the end of surgery 
3. To compare respiratory mechanics peak airway pressure (Ppeak), plateau airway pressure (Pplat), PEEP, set TV (TV set), actual TV (TV act)  after induction, 5 minutes after pneumoperitoneum, 5 minutes after stopping pneumoperitoneum and at the end of surgery 
To compare dysphagia and post operative nausea vomiting between the two groups.

 
1 hr after surgery 
 
Target Sample Size   Total Sample Size="150"
Sample Size from India="150" 
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   Phase 4 
Date of First Enrollment (India)   10/07/2025 
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="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
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   General anaesthesia is widely practiced for laparoscopic abdominal surgery as pneumoperitoneum increases the risk of pulmonary aspiration., and this typically facilitated using an endotracheal tube (ETT) for airway management. But many of these laparoscopic surgeries are day care surgeries and used of ETT in these cases can lead to cumbersome postoperative pharyngodynia thereby increasing the duration of hospital stay and thereby increasing the health care cost. Hence now a days supraglottic airway devices (SGA) are preferred over ETT in these daycare cases because of less incidence of post operative pharyngodynia. However still many cases postoperative pharyngodynia occurs despite using second generation SGA because of variable intracuff pressure of SGA perioperatively. This change in intracuff pressure occurs due to change in patient positioning and creation of pneumoperitoneum perioperatively. Recently introduced The LMA Protector has dual gastric access and integrates “Second Seal Technology/second generation LMA” to secure the distal tip at the upper oesophageal sphincter. In this way an oesophageal seal is facilitated, and the respiratory tract is isolated from the digestive tract.[3] It also has inbuilt color-coded continuous cuff pressure monitoring system. Despite these developments, the scarcity of prospective research examining the suitability of different second-generation SGA which will cause less postoperative pharyngodynia and decrease hospital stay in day care surgery underscores the need for further investigation. Therefore, this study aims to evaluate the feasibility and safety of employing two second-generation SGA namely LMA Protector and Ambu AuraGain in patients undergoing laparoscopic surgeries, addressing a critical gap in the literature, and informing clinical practice regarding optimal airway management strategies in this context. 
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