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CTRI Number  CTRI/2025/11/098025 [Registered on: 25/11/2025] Trial Registered Prospectively
Last Modified On: 13/11/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   A study comparing two throat sprays used during general anaesthesia to see which better prevents cough, sore throat, and hoarseness after surgery. 
Scientific Title of Study   A clinical study of comparative evaluation of effect of benzydamine hydrochloride (0.15 percent) spray and lidocaine hydrochloride (10 percent) spray on endotracheal tube cuff on post-operative cough, sore throat and hoarseness of voice in patients undergoing general anaesthesia with endotracheal tube placement. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Harshit Jindal 
Designation  Junior Resident 
Affiliation  Subharti Medical College 
Address  Department of Anaesthesiology & Critical Care, Subharti Medical College, NH-58, Delhi-Haridwar Bypass Road, Subhartipuram, Meerut
Department of Anaesthesiology & Critical Care, Subharti Medical College, NH-58, Delhi-Haridwar Bypass Road, Subhartipuram, Meerut
Meerut
UTTAR PRADESH
250005
India 
Phone  9996120088  
Fax    
Email  dr.jindalharshit@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Vivek Maratha 
Designation  Professor 
Affiliation  SUBHARTI MEDICAL COLLEGE 
Address  Department of Anaesthesiology & Critical Care, Subharti Medical College, NH-58, Delhi-Haridwar Bypass Road, Subhartipuram, Meerut
Department of Anaesthesiology & Critical Care, Subharti Medical College, NH-58, Delhi-Haridwar Bypass Road, Subhartipuram, Meerut
Meerut
UTTAR PRADESH
250005
India 
Phone  9837035415  
Fax    
Email  drvivekmaratha@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Vivek Maratha 
Designation  Professor 
Affiliation  Subharti Medical College 
Address  Department of Anaesthesiology & Critical Care, Subharti Medical College, NH-58, Delhi-Haridwar Bypass Road, Subhartipuram, Meerut
Department of Anaesthesiology & Critical Care, Subharti Medical College, NH-58, Delhi-Haridwar Bypass Road, Subhartipuram, Meerut
Meerut
UTTAR PRADESH
250005
India 
Phone  9837035415  
Fax    
Email  drvivekmaratha@yahoo.co.in  
 
Source of Monetary or Material Support  
Chhatrapati Shivaji Subharti Hospital, Subharti Medical College, Meerut-250005, Uttar Pradesh (India) 
 
Primary Sponsor  
Name  NIL 
Address  NIL 
Type of Sponsor  Other [] 
 
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 Harshit Jindal  Chhatrapati Shivaji Subharti Hospital, Swami Vivekanand Subharti University  Department of Anaesthesiology & Critical Care, Subharti Medical College, NH-58, Delhi-Haridwar Bypass Road, Subhartipuram, Meerut
Meerut
UTTAR PRADESH 
9996120088

dr.jindalharshit@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
University Ethics Committee (Medical)  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  Benzydamine hydrochloride (0.15%) spray  2 years. The study drug will be applied as two puffs directly to the endotracheal tube (ETT) cuff before induction of general anaesthesia. 
Comparator Agent  Lidocaine hydrochloride (10%) spray  2 years. The study drug will be applied as two puffs directly to the endotracheal tube (ETT) cuff before induction of general anaesthesia. 
Comparator Agent  Normal saline spray  2 years. The study drug will be applied as two puffs directly to the endotracheal tube (ETT) cuff before induction of general anaesthesia. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. Age 18 to 65 years
2. Patients of either gender
3. ASA physical status I-IV 
 
ExclusionCriteria 
Details  1. Pre-existing airway disorders such as chronic cough, recurrent sore throat, or chronic respiratory conditions including asthma or chronic obstructive pulmonary disease (COPD).
2. Known allergy to study drugs.
3. Anticipated difficult airway.
4. Pregnant or lactating women. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Not Applicable 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
The incidence of postoperative sore throat, hoarseness of voice, and cough at predetermined postoperative time intervals(0,1,6,12,24 hours) after extubation, compared among patients receiving benzydamine hydrochloride (0.15%), lidocaine hydrochloride (10%), or normal saline spray applied to the endotracheal tube cuff.  2 years 
 
Secondary Outcome  
Outcome  TimePoints 
Evaluation of side effects (if any) associated with benzydamine hydrochloride (0.15%) and lidocaine hydrochloride (10%) sprays applied to the endotracheal tube cuff.  2 years 
 
Target Sample Size   Total Sample Size="432"
Sample Size from India="432" 
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)   25/11/2025 
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="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   This study is a randomized controlled study comparing the effectiveness of benzydamine hydrochloride (0.15%) spray, lidocaine hydrochloride (10%) spray, and normal saline spray when applioed to the endotracheal tube (ETT) cuff in reducing the incidence of postoperative cough, sore throat, and hoarseness of voice in patients undergoing general anaesthesia with endotracheal intubation. The primary objective is to compare the incidence of postoperative sore throat, hoarseness of voice, and cough among patients undergoing general anaesthesia following the application of either benzydamine hydrochloride, lidocaine hydrochloride, or normal saline spray on the endotracheal tube cuff. The secondary objective is to evaluate side effect (if any) of benzydamine hydrochloride and lidocaine hydrochloride. 
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