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CTRI Number  CTRI/2024/08/072485 [Registered on: 13/08/2024] Trial Registered Prospectively
Last Modified On: 24/01/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   The use of 2% Lignocaine solution for inflating Endotracheal tube cuff, can lower the incidence of post operative sore throat , in patients undergoing general anaesthesia. 
Scientific Title of Study   The efficacy of intracuff instillation of 2% Lignocaine solution versus Air in Endotracheal Tube , in prevention of post operative sore throat, after surgery under General Anaesthesia - A Comparative Randomised Control Study. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  PURBANIL BARUAH 
Designation  Post Graduate Student 
Affiliation  Tezpur Medical College 
Address  Department of Anaesthesiology and Critical Care Tezpur Medical College Bihaguri District Sonitpur Assam India Pin 784010

Sonitpur
ASSAM
784010
India 
Phone  6000404332  
Fax    
Email  Puravbaruah@gmail.com  
 
Details of Contact Person
Scientific Query

Modification(s)  
Name  DR ALTAFUDDIN AHMED 
Designation  ASSOCIATE PROFESSOR 
Affiliation  Tezpur Medical College 
Address  Department of Anaesthesiology and Critical Care Tezpur Medical College Bihaguri District Sonitpur Assam India Pin 784010

Sonitpur
ASSAM
784010
India 
Phone  9435032380  
Fax    
Email  draltafahmeddbr@yahoo.in  
 
Details of Contact Person
Public Query
 
Name  PURBANIL BARUAH 
Designation  Post Graduate Student 
Affiliation  Tezpur Medical College 
Address  Department of Anaesthesiology and Critical Care Tezpur Medical College Bihaguri District Sonitpur Assam India Pin 784010

Sonitpur
ASSAM
784010
India 
Phone  6000404332  
Fax    
Email  Puravbaruah@gmail.com  
 
Source of Monetary or Material Support  
Government supply of Tezpur Medical College Department of Anaaesthesiology Tezpur Medical College and Hospital Bihaguri. Tezpur. District - Sonitpur Assam India Pin - 784010  
Self Department of Anaesthesiology Tezpur Medical College and Hospital Bihaguri. Tezpur. District - Sonitpur Assam India Pin - 784010 
 
Primary Sponsor  
Name  Purbanil Baruah 
Address  Department of Anaesthesiology and Critical Care Tezpur Medical College and Hospital Bihaguri. Tezpur District - Sonitpur Assam India Pin - 784010 
Type of Sponsor  Other [Self sponsored] 
 
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 
Purbanil Baruah  Tezpur Medical College and Hospital  Department of Anaaesthesiology Academic section
Sonitpur
ASSAM 
6000404332

Puravbaruah@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL HUMAN ETHICAL COMMITTEE  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K800||Calculus of gallbladder with acutecholecystitis, (2) ICD-10 Condition: O||Medical and Surgical, (3) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Instillation of 2% Lignocaine solution in the Endotracheal tube cuff  The selected patients will be intubated with the Endotracheal tube and the cuff of the tube will be inflated by using 2% Lignocaine solution instead of using air.The cuff pressure will be fixed at 20cm H2O . The selected cases will have the Endotracheal tube for a time duration not exceeding 2 hours. The patients will be evaluated post operatively for the presence of post operative sore throat. 
Comparator Agent  Instillation of air in the endotracheal tube cuff.  The selected patients will be intubated with the Endotracheal tube and the cuff of the tube will be inflated using air. Room air will be used with a syringe to inflate the Endotracheal tube cuff. The cuff pressure will be fixed at 20cm H2O. The patients will be evaluated post operatively for the presence of post operative sore throat. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  The following patients will be taken for the study-

Patients with ASA Grade 1 and 2.

Patients whose intra operative time is less than 2 hours .

Patients with Mallampati Grade 1 and 2.

Patients undergoing elective surgery under general anaesthesia .
 
 
ExclusionCriteria 
Details  The following patients will be excluded from the study -

Patients who refuse to give consent to participate in the study.

Patients with difficult intubation ( Mallampati Grade 3 and 4).

Patients where intubation was done in 2nd attempt.

Patients having laryngeal disease or where surgery is being done on the head , neck or face.

Patients having known allergy to local anaesthetics agents.

Patients already having hsitory of sore throat , bronchial asthma, URTI, COPD or any other disease of the airway.

Patients who are uncoperative.

Patients who vomited in the last 24 hours before surgery.

Patients with ASA Grade 3 and 4.

Patients who are pregnant.

 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Double Blind Double Dummy 
Primary Outcome  
Outcome  TimePoints 
Decrease in the incidence of post operative sore throat  Post operative sore throat measured at 30 minutes , 2 hours and 24 hour after extubation. 
 
Secondary Outcome  
Outcome  TimePoints 
Decrease in the incidence of post operative hoarseness of voice.  Post operative hoarseness measured at 30 minutes and 12 hours after extubation. 
Decrease in the incidence of post operative cough   Post operative cough will be assesed at 0 minutes , 5 minutes and 30 minutes post extubation 
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
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)   21/08/2024 
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="0"
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   Endotracheal intubation is the gold standard for securing the airway in General  Anaesthesia. Endotracjheal tube (ETT) can be inserted either through the nose or through the mouth. The distal end of the  ETT lies in the mid trachea above the carina and it secures the airway and allows for the exchange of  gases during ventillation. This also allows for the delivery of inhaled anaesthetic agents for the maintenance of anaesthesia in the patient during the course of the surgery. The cuffed ETT is routinely used in most surgeries. The cuff is inflated to provide a seal in the trachea. This prevents aspiration to the lungs and also ensures the Tidal volume given to the lungs doesnot escape to the upper airway.

Sore throat is a common side effect of general anaesthesia. It is found in approximately 30 to 70 percent cases of tracheal intubation. The  post operative sore throat is caused due to the mucosal irritation of the ETT against the tracheal wall.

The ET tube cuff can act as a reservoir for the local anaesthetic agent . The local anaesthetic agent thus given diffuses slowly and causes subsequent anaesthesia of the undeerlying mucosa. Therefore  the topical anaesthetic agent thus applied can act as a novel technique to reduce adverse emergence phenomenon including post operative sore throat , coughing etc.

This study compares the effect of intra cuff instillation of lignocaine versus air in endotracheal tube  in prevention of  post operative sore throat in surgeries done under general anaesthesia.


 
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