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CTRI Number  CTRI/2025/07/090710 [Registered on: 10/07/2025] Trial Registered Prospectively
Last Modified On: 09/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Prospective, observational, comparative study 
Study Design  Other 
Public Title of Study   A STUDY TO COMPARE THE EFFECTS OF IV NALBUPHINE AND IV LIGNOCAINE IN REDUCING THE BODY’S STRESS RESPONSE DURING LARYNGOSCOPY AND INSERTION OF A BREATHING TUBE (TRACHEAL INTUBATION). 
Scientific Title of Study   AN OBSERVATIONAL STUDY TO EVALUATE THE EFFECTS OF IV NALBUPHINE IN PREVENTING STRESS RESPONSE OF LARYNGOSCOPY AND TRACHEAL INTUBATION IN COMPARISON TO IV LIGNOCAINE. 
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 Alpa Patel 
Designation  Professor 
Affiliation  Pramukh Swami Medical College,Bhaikaka university 
Address  Department of anaesthesiology Shree krishna hospital Pramukh swami medical college karamsad Anand Gujarat 388325 India

Anand
GUJARAT
388325
India 
Phone  9825084282  
Fax    
Email  alpamp@charutarhealth.org  
 
Details of Contact Person
Scientific Query
 
Name  Dr Pujan Patel 
Designation  Resident Anesthesiologist 
Affiliation  Pramukh swami medical college 
Address  Department of anaesthesiology Shree krishna hospital Pramukh swami medical college karamsad Anand Gujarat 388325 India

Anand
GUJARAT
388325
India 
Phone  8469740719  
Fax    
Email  pujanrpatel@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Pujan Patel 
Designation  Resident Anesthesiologist 
Affiliation  Pramukh swami medical college 
Address  Department of anaesthesiology Shree krishna hospital Pramukh swami medical college karamsad Anand Gujarat 388325 India

Anand
GUJARAT
388325
India 
Phone  8469740719  
Fax    
Email  pujanrpatel@gmail.com  
 
Source of Monetary or Material Support  
Department of Anesthesiology Shree Krishna Hospital Pramukh Swami Medical College Gokal Nagar, Karamsad, Dist. Anand- 388 325 
 
Primary Sponsor  
Name  Shree Krishna Hospital 
Address  Department of anaesthesiology Shree krishna hospital Pramukh swami medical college karamsad Anand Gujarat 388325 India 
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 Pujan Patel  Shree Krishna Hospital  Department of Anesthesiology Shree Krishna Hospital Pramukh Swami Medical College Gokal Nagar, Karamsad, Dist. Anand Anand GUJARAT 388325 India
Anand
GUJARAT 
8469740719

pujanrpatel@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee - 2  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  IV administration of Nalbuphine vs Lignocaine   Comparison of effects on the hemodynamic response to laryngoscopy and intubation with administration of IV Nalbuphine vs IV Lignocaine 
Intervention  To prevent hemodynamic stress response to laryngoscopy and intubation  Comparison of effects on the hemodynamic response to laryngoscopy and intubation with administration of IV Nalbuphine vs IV Lignocaine 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. Patient undergoing elective surgeries requiring general anesthesia and tracheal intubation
2. Patients Belonging to ASA grade 1 2 and 3 
 
ExclusionCriteria 
Details  1. Patients unwilling to participate
2. Patients belonging to ASA grading 4,5
3. Patient with severe renal, hepatic, cardiovascular or respiratory disease
4. Pregnant and Lactating women
5. Patient with history of allergies to the related drugs.
6. Patients with Difficult airway and Laryngoscopy. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To prevent hemodynamic stress response to
laryngoscopy and intubation 
0 to 10 mins  
 
Secondary Outcome  
Outcome  TimePoints 
1. To Study the dose sparring effect of IV nalbuphine on the amount of propofol used
during induction of General Anaesthesia.
2. To study Hemodynamic stability in patients with different co morbidities 
0 to 10 mins 
 
Target Sample Size   Total Sample Size="54"
Sample Size from India="54" 
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)   25/07/2025 
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="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 observational study, conducted at Shree Krishna Hospital, Karamsad, aims to compare the efficacy of intravenous nalbuphine (0.2 mg/kg) versus lignocaine (1.5 mg/kg) in preventing the stress response—such as tachycardia and hypertension—associated with laryngoscopy and tracheal intubation in patients undergoing elective surgery under general anaesthesia. With a sample size of 54 ASA grade I–III patients aged 18–65 years, the study investigates not only the primary outcome of hemodynamic stability during and after intubation but also the secondary outcomes, including nalbuphine’s potential to reduce propofol requirements. Participants are randomized into two groups, and standard anaesthetic protocols are followed, with vital signs monitored for 10 minutes post-intubation. Literature review suggests that while nalbuphine is effective in attenuating the pressor response with fewer side effects and better cardiovascular stability, fentanyl may be more potent in some cases. Lignocaine has also been shown to blunt reflexes but with less consistent hemodynamic control. The study is ethically approved, involves no additional patient cost, and maintains strict confidentiality. Findings are expected to contribute to optimizing anaesthetic protocols, guiding drug selection, and improving patient outcomes through better stress response management during airway manipulation. 
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