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CTRI Number  CTRI/2025/08/092370 [Registered on: 05/08/2025] Trial Registered Prospectively
Last Modified On: 04/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   A Study Comparing Normal Saline, 2 percentage lignocaine, and 0.75 percentage Ropivacaine for Cuff Inflation in Reducing Sore Throat After General Anaesthesia with Breathing Tube (Endotracheal Intubation) 
Scientific Title of Study   Effect of intracuff Inflation with Normal Saline versus 2 percentage Lignocaine versus 0.75 percentage Ropivacaine on the incidence of Post-Operative Sore Throat in patients undergoing General Anaesthesia with Endotracheal intubation - A Randomized Controlled Trial. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
RC/2025/28  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  PRADEEP P 
Designation  PG STUDENT 
Affiliation  pondicherry institute of medical science  
Address  Department of Anaesthesiology pondicherry institute of medical sciences kalathumettupathai,ganapathichettikulam,village no 20,kalapet puducherry

Pondicherry
PONDICHERRY
605014
India 
Phone  8682972309  
Fax    
Email  p.pradeepdoc@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DR.S.SIVAKUMAR 
Designation  Professor and head of the Department of Anaesthesiology  
Affiliation  pondicherry institute of medical science  
Address  Department of Anaesthesiology pondicherry institute of medical sciences kalathumettupathai,ganapathichettikulam,village no 20,kalapet puducherry
pondicherry institute of medical sciences kalathumettupathai,ganapathichettikulam,village no 20,kalapet puducherry
Pondicherry
PONDICHERRY
605014
India 
Phone  9944060676  
Fax    
Email  Siva85dr@gmail.com  
 
Details of Contact Person
Public Query
 
Name  PRADEEP P 
Designation  PG student 
Affiliation  pondicherry institute of medical science  
Address  Department of Anaesthesiology pondicherry institute of medical sciences kalathumettupathai,ganapathichettikulam,village no 20,kalapet puducherry
pondicherry institute of medical sciences kalathumettupathai,ganapathichettikulam,village no 20,kalapet puducherry
Pondicherry
PONDICHERRY
605014
India 
Phone  8682972309  
Fax    
Email  p.pradeepdoc@gmail.com  
 
Source of Monetary or Material Support  
nil 
 
Primary Sponsor  
Name  pondicherry institute of medical sciences 
Address  pondicherry institute of medical sciences village no.20,kalathumettupathai,ganapathichettikulam kalapet,puducherrry 605014 
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 Pradeep P  Department of anesthesiology, Pondicherry institute medical sciences   Pondicherry institute of medical sciences Kalathumettupathai, Ganapathichettikulam, Village No.20, Kalapet, Puducherry - 605 014, INDIA.
Pondicherry
PONDICHERRY 
8682972309

p.pradeepdoc@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
PIMS institute ethics committe(IEC)e  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,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Intracuff inflation of Local anaesthesia (2 percentage lignocaine,0.75 percentage Ropivacaine)  Intracuff inflation of single administration of lignocaine and ropivacaine before induction of general anaesthesia  
Comparator Agent  Normal saline 0.9 percentage   The cuff will be inflated with of Normal saline 0.9 percentage . The volume required will be determined individually by performing an air-leak test until no audible leak is heard at 25 cm H2O. Volume required roughly around (10_15ml).route of administration (intracuff inflation via pilot ballon) Cuff pressure will be transduced and maintained at approximately 25 mmHg throughout the procedure. Maintained for the entire duration of the surgical procedure 2-3 hours . 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. Patients scheduled for elective surgeries under General Anaesthesia with endotracheal intubation
2. Aged between 18 and 65 years of either gender
3. Belonging to ASA Physical status I & II (American society of Anaesthesiologists Physical Status)
 
 
ExclusionCriteria 
Details  1. Allergic to local anaesthetics
2. Anticipated difficult airway
3. Undergoing oral, head and neck surgeries
4. Surgeries in prone position
5. Patients with acute/ chronic respiratory diseases and active smoking at present.
6. Pregnant females
7 Patient on chronic pain medications

 
 
Method of Generating Random Sequence   Stratified block randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
incidence of post operative sore throat .  sore throat measured at the 0,2,4,6,8,24hours of end of surgery 
 
Secondary Outcome  
Outcome  TimePoints 
to compare the incidence of postoperative cough and hoarsness of voice ,other airway related complications.  measured at the end of 0,2,4,6,8,24 hours of surgery 
 
Target Sample Size   Total Sample Size="120"
Sample Size from India="120" 
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 3 
Date of First Enrollment (India)   15/08/2025 
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 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  


Post-operative sore throat (POST) is a common and often underestimated complication following general anesthesia with endotracheal intubation, affecting 20% to 74% of patients. Traditional air-filled endotracheal tube cuffs can lead to increased cuff pressure due to anesthetic gas diffusion, contributing to tracheal mucosal irritation and POST. Using fluid media such as normal saline or local anesthetics like 2% lignocaine and 0.75% ropivacaine for cuff inflation may help stabilize cuff pressure and provide localized analgesia. While lignocaine has been widely studied and shown to reduce POST, limited data exist on the use of ropivacaine, despite its longer duration of action and favorable safety profile. This study aims to compare the effectiveness of intracuff 2% lignocaine versus 0.75% ropivacaine in reducing the incidence and severity of POST, potentially offering improved strategies for enhancing patients comfort after surgery.



 

 
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