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CTRI Number  CTRI/2025/09/094955 [Registered on: 17/09/2025] Trial Registered Prospectively
Last Modified On: 16/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A study comparing Preoperative Nebulization with Magnesium Sulphate versus Lignocaine to Prevent Post Extubation Sore Throat in Patients undergoing Laparoscopic Surgeries at SMS Medical College, Jaipur. 
Scientific Title of Study   A Randomized comparative Study To Assess Post Extubation Sore Throat using Preoperative Nebulization with Magnesium Sulphate versus Lignocaine in Patients undergoing Laparoscopic Surgeries at SMS Medical College, Jaipur. 
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 Arunkumar 
Designation  PG Resident 
Affiliation  SMS Medical College ,Jaipur 
Address  Department of Anaesthesiology,SMS Medical College,JLN Marg,Jaipur

Jaipur
RAJASTHAN
302004
India 
Phone  9487792547  
Fax    
Email  arunvirat91098@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Harpreet Kaur  
Designation  Senior Professor 
Affiliation  SMS Medical College 
Address  Department of Anaesthesiology,SMS Medical College,JLN Marg,Jaipur

Jaipur
RAJASTHAN
302004
India 
Phone  9899785993  
Fax    
Email  rupihar@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Arunkumar 
Designation  PG Resident 
Affiliation  SMS Medical College ,Jaipur 
Address  Department of Anaesthesiology,SMS Medical College,JLN Marg,Jaipur

Jaipur
RAJASTHAN
302004
India 
Phone  9487792547  
Fax    
Email  arunvirat91098@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology,2nd floor,Dhanvantri Complex,SMS Medical College and Hospital,Jaipur 302004,Rajasthan,India 
 
Primary Sponsor  
Name  SMS Medical College and Hospital 
Address  Department of Anaesthesiology,Dhanvantri Complex,SMS Medical College and Hospital,Jaipur 302004,Rajasthan,India 
Type of Sponsor  Government 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 Harpreet Kaur  General Surgery Operation Theatre,SMS Medical College,Jaipur  Department of Anaesthesiology,Dhanvantri Complex,SMS Medical College and Hospital,Jaipur 302004,Rajasthan,India
Jaipur
RAJASTHAN 
9899785993

rupihar@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Office of the Ethics Committee,S.M.S Medical College and Attached Hospitals,Jaipur  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: K402||Bilateral inguinal hernia, withoutobstruction or gangrene, (3) ICD-10 Condition: K819||Cholecystitis, unspecified, (4) ICD-10 Condition: K358||Other and unspecified acute appendicitis, (5) ICD-10 Condition: K429||Umbilical hernia without obstruction or gangrene, (6) ICD-10 Condition: N950||Postmenopausal bleeding,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Lignocaine Group  Nebulization of patients 30 minutes prior to surgery using 4 ml of 2 percentage Lignocaine over 15 minutes. 
Comparator Agent  Magnesium Sulphate  Nebulization of patients 30 minutes prior to surgery using 4ml of 6.25 percentage of Magnesium Sulphate over 15 minutes. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1.Patients undergoing elective laparoscopic surgeries under General Anaesthesia.
2.Patients giving written informed consent
3.Patients having American Society of Anesthesiologist (ASA) physical status 1 and 2.
4.Patients of age more than 18 years.
5.Patients with Mallampati grade 1 or 2.
 
 
ExclusionCriteria 
Details  1.Patient who is part of any other study.

2.Patients with upper respiratory tract infection.
3.Patients with nasogastric tube and any nasal or throat pack require intraoperatively.
4.Allergy to study drugs.


 
 
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 
1.To assess and compare the proportion of sore throat ( swallowing and rest) between two groups after extubation till 48 hours.  1.Postoperative sore throat will be checked ( swallowing and rest) between two groups at 2 hours,8hours,24hours and 48hours after extubation. 
 
Secondary Outcome  
Outcome  TimePoints 
1.To assess & compare the proportion of hoarseness of voice & cough between two groups after extubation till 48 hours.
2.To assess & compare haemodynamic parameters-Heart rate,Systolic blood pressure,Diastolic blood pressure,Mean arterial pressure from induction to extubation at every 10 minutes interval.
3.To assess & compare side effects –nausea, vomiting, hypotension & respiratory depression in both groups.
 
1.Hoarseness of voice & Cough will be checked between two groups at 2hours,8hours,24hours & 48hours after extubation
2.Haemodynamic parameters-Heart rate,Systolic blood pressure,Diastolic blood pressure,Mean arterial pressure will be checked from induction to extubation at every 10 minutes interval.
3.Side effects –nausea, vomiting, hypotension & respiratory depression will be checked in both groups intraoperatively & postoperatively.
 
 
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 3 
Date of First Enrollment (India)   28/09/2025 
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="0"
Months="5"
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 prospective ,randomized comparative study is being conducted  at S.M.S Medical College and Hospital,Jaipur to assess the post extubation sore throat using preoperative nebulization with 4ml of 6.25 percentage of  Magnesium Sulphate and 4ml of 2 percentage  Lignocaine in patients undergoing laparaoscopic surgeries.A total of 150 patients will be enrolled  and randomized into two equal groups(Magnesium Sulphate group and Lignocaine group).Parameters such as postoperative sore throat at rest and swallowing,Hoarseness of voice ,Cough ,Adverse effects (nausea ,vomiting,hypotension and respiratory depression)and  Intraoperative Haemodynamic parameters will be recorded at predefined intervals.The aim is to identify the group in which duration of postoperative sore throat at rest and swallowing is less compared to another group and ensuring haemodynamic stability with minimal adverse effects. 
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