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CTRI Number  CTRI/2025/10/096565 [Registered on: 29/10/2025] Trial Registered Prospectively
Last Modified On: 29/10/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   To compare the drugs Ropivacaine and Dexmedetomidine nebulization in preventing sore throat after surgeries. 
Scientific Title of Study   A comparative study of nebulised ropivacaine and dexmedetomidine in the prevention of postoperative sore throat following general anaesthesia : A prospective 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  Bhavani I Kolhar 
Designation  Junior Resident 
Affiliation  Sapthagiri Institute of Medical Sciences and Research Centre 
Address  Department of Anaesthesiology, ground floor, Sapthagiri Institute of Medical Sciences and Research Centre, Navy Layout, Hesarghatta Main Road, Chikkabanavara, Bangalore

Bangalore
KARNATAKA
560090
India 
Phone  9482693865  
Fax    
Email  bhavanikolhar3@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Vinod Basappa Hosalli 
Designation  Professor 
Affiliation  Sapthagiri Institute of Medical Sciences and Research Centre 
Address  Department of Anaesthesiology, ground floor, Sapthagiri Institute of Medical Sciences and Research Centre, Navy Layout, Hesarghatta Main Road, Chikkabanavara, Bangalore

Bangalore
KARNATAKA
560090
India 
Phone  8310268837  
Fax    
Email  vinodhosallidr@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Vinod Basappa Hosalli 
Designation  Professor 
Affiliation  Sapthagiri Institute of Medical Sciences and Research Centre 
Address  Department of Anaesthesiology, ground floor, Sapthagiri Institute of Medical Sciences and Research Centre, Navy Layout, Hesarghatta Main Road, Chikkabanavara, Bangalore

Bangalore
KARNATAKA
560090
India 
Phone  8310268837  
Fax    
Email  vinodhosallidr@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology, Sapthagiri Institute of Medical Sciences and Research Centre, 15 Hesarghatta road, Navy Layout,AGB layout, Chikkabanavara, Bengaluru, Karnataka 560090  
 
Primary Sponsor  
Name  Sapthagiri Institute of Medical Sciences and Research Centre 
Address  Department of Anaesthesiology, Sapthagiri Institute of Medical Sciences and Research Centre, 15Hesarghatta road, Navy Layout,AGB layout, Chikkabanavara, Bengaluru, Karnataka 560090 
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 Bhavani I Kolhar  Sapthagiri Institute of Medical Sciences and Research Centre  Department of Anaesthesiology, ground floor, Sapthagiri Institute of Medical Sciences and Research Centre, Navy Layout, Hesarghatta Main Road, Chikkabanavara, Bangalore
Bangalore
KARNATAKA 
09482693865

bhavanikolhar3@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Sapthagiri Institute of Medical Sciences and Research Centre  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 
Comparator Agent  Comparing nebulized Ropivacaine and Dexmedetomidine   Out of 60 patients, 30 will receive nebulized Dexmedetomidine 50 mcg (0.5 mL) with 4.5 mL of saline, and the other 30 will receive nebulized Ropivacaine 0.75% 5 mL, just 30 minutes before induction, as per group allocation in the preoperative room. 
Intervention  Nebulization with Dexmedetomidine 50 mcg (0.5 mL) with 4.5 mL normal saline will be given to group D and nebulization Ropivacaine 0.75% 5 mL in group R.  Nebulization will be given in the preoperative room 30 minutes before induction, as per the group allocation, and postoperative sore throat evaluation will be conducted at 1,2, 4, 6,12, and 24 hours after surgery.  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Patients willing to give consent
American Society of Anaesthesiology physical status I and II
Age between 18 to 60 years
Airway assessment by Mallampati grade I and II
Patients undergoing elective surgeries under general anaesthesia with endotracheal intubation  
 
ExclusionCriteria 
Details  Duration of surgery is more than 3 hrs
Cardiopulmonary comorbidities
Patients receiving corticosteroids
Pre-existing pharyngeal laryngeal disease and sore throat 
 
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 
To compare the efficacy of nebulised Ropivacaine and nebulised Dexmedetomidine in preventing postoperative sore throat following intubation in patients undergoing general anaesthesia.
To compare the efficacy of nebulised ropivacaine and nebulised dexmedetomidine on the haemodynamic response before and after intubation.
To compare incidence of side effects of nebulised ropivacaine and nebulised dexmedetomidine postoperatively in patients undergoing general anaesthesia. 
Postoperative sore throat will be assessed at 1,2,4,6,12 and 24 hours after surgery.
Haemodynamic data will be assessed before nebulisation, after nebulisation, before tracheal intubation, after intubation, 5 minutes after intubation, at closure of skin incision, immediately after extubation, 5 minutes after extubation.
All adverse events occurring during the postoperative period related to the use of nebulised ropivacaine and dexmedetomidine will be assessed for the next 24 hours. 
 
Secondary Outcome  
Outcome  TimePoints 
NIL  NIL 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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 2 
Date of First Enrollment (India)   09/11/2025 
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 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     This is a prospective study comparing the efficacy of nebulized Ropivacaine and nebulized Dexmedetomidine in preventing postoperative sore throat following intubation in patients undergoing general surgery, it compares the efficacy of nebulized Ropivacaine and nebulized Dexmedetomidine on the haemodynamic response before and after intubation and also compares the incidence of side effects of nebulized Ropivacaine and nebulized Dexmedetomidine postoperatively in patients. 
 Patients fulfilling the inclusion criteria will be randomly divided into two groups of 30 each. Group D will be nebulized with Dexmedetomidine 50 mcq (0.5 mL) along with 4.5 mL of saline, totalling 5 mL and Group R will be nebulized with Ropivacaine 0.75% 5 mL. Nebulization will be given in the preoperative room 30 minutes before induction as per the group allocation. 
Postoperative sore throat will be assessed at 1,2,4,6,12, and 24 hrs after surgery. Haemodynamic data like pulse rate, heart rate and blood pressure will be assessed before nebulization, after nebulization, before tracheal intubation, after tracheal intubation, 5 minutes after tracheal intubation, at the closure of skin incision, immediately after tracheal extubation, and 5 minutes after tracheal extubation.
All adverse events occurring during the postoperative period related to the use of nebulized Ropivacaine and nebulized Dexmedetomidine will be recorded.

 
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