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CTRI Number  CTRI/2025/12/099712 [Registered on: 23/12/2025] Trial Registered Prospectively
Last Modified On: 17/12/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   A Study Comparing the Effect of IV Labetalol and IV Lignocaine in Reducing the Rise in Blood Pressure and Heart Rate During Laryngoscopy and Intubation in Patients Undergoing Surgery at SMS Medical College Jaipur  
Scientific Title of Study   A Randomised Study to compare intravenous Labetalol versus Lignocaine for Attenuation of Hemodynamic response to Laryngoscopy and Endotracheal intubation in ,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 Sunil Chauhan  
Designation  Senior Professor 
Affiliation  SMS Medical college and Hospital Jaipur 
Address  Department of Anaesthesiology SMS Medical college and Hospital Jaipur Rajasthan 302004 India

Jaipur
RAJASTHAN
302004
India 
Phone  9414077324  
Fax    
Email  Suncha87@yahoo.co.in  
 
Details of Contact Person
Scientific Query
 
Name  Dr Sunil Chauhan  
Designation  Senior Professor 
Affiliation  SMS Medical college and Hospital Jaipur 
Address  Department of Anaesthesiology SMS Medical college and Hospital Jaipur Rajasthan 302004 India


RAJASTHAN
302004
India 
Phone  9414077324  
Fax    
Email  Suncha87@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Dr Amrita Rani 
Designation  Junior Resident  
Affiliation  SMS Medical college and Hospital Jaipur 
Address  Department of Anaesthesiology SMS Medical college and Hospital Jaipur Rajasthan 302004 India

Jaipur
RAJASTHAN
302004
India 
Phone  7206999837  
Fax    
Email  amritatamak@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology SMS Medical college and Hospital Jaipur Rajasthan 302004 India 
 
Primary Sponsor  
Name  SMS Medical college Jaipur  
Address  Department of Anaesthesiology SMS Medical college and Hospital Jaipur Rajasthan 302004 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 Sunil Chauhan   SMS Medical College and Hospital, Jaipur   General Surgery OT Complex , Department of Anaesthesiology
Jaipur
RAJASTHAN 
9414077324

Suncha87@yahoo.co.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Office of the Ethics Committee, SMS 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: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Attenuating the pressor response to laryngoscopy and endotracheal intubation under general anaesthesia   Attenuating the pressor response to laryngoscopy and endotracheal intubation by use of intravenous injection of labetalol 0.75mg per kg and lignocaine 1.5mg per kg upto 10 minutes after intubation under general anaesthesia  
Comparator Agent  Effect of injection Labetalol 0.75 mg per kg intravenous dose.  Effectiveness of injection labetalol 0.75 mg per kg intravenous dose for attenuating the pressor response to laryngoscopy and endotracheal intubation under general anaesthesia. 
Comparator Agent  Effect of injection Lignocaine 1.5 mg per kg intravenous dose.  Effectiveness of injection lignocaine 1.5 mg per kg intravenous dose for attenuating the pressor response to laryngoscopy and endotracheal intubation under general anaesthesia. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. Patient undergoing elective surgical procedures under general anaesthesia and endotracheal intubation.
2.Patients willing to give written and Informed consent.
3. Adult patients aged 18 to 60 years.
4.Both sex.
5.Patients belonging to ASA (American society of Anesthesiologist ) grade I. 
 
ExclusionCriteria 
Details  1. History of chest pain/syncope/palpitations.
2. Any contraindications or history of hypersensitivity to study drugs.
3. Any respiratory problems.
4. Hepatic and renal issues.
5. Any abnormalities in the ECG.
6. Anticipated difficult intubation.
7. Patient should not be a part of any other study. 
 
Method of Generating Random Sequence   Random Number Table 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To determine the difference in changes in heart rate from baseline to different time intervals in two groups.  0,1,3,5,10 minutes after intubation. 
 
Secondary Outcome  
Outcome  TimePoints 
To determine the difference in changes in hemodynamic responses (SBP,DBP,MAP)from baseline to different time intervals in two groups.  0,1,3,5,10 minutes after intubation. 
 
Target Sample Size   Total Sample Size="66"
Sample Size from India="66" 
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 4 
Date of First Enrollment (India)   05/01/2026 
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="2"
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   In this study we will compare effectiveness of intravenous labetalol(0.75mg/kg) and lignocaine (1.5mg/kg) for attenuating the hemodynamic responses to laryngoscopy and endotracheal intubation in adult patients undergoing surgeries under general anaesthesia. 
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