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CTRI Number  CTRI/2025/12/098962 [Registered on: 11/12/2025] Trial Registered Prospectively
Last Modified On: 11/12/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   comparison between injection fentanyl and injection remifentanil in controlling increase in heart rate and blood pressure due to laryngoscopy and intubation during anaesthesia for surgery 
Scientific Title of Study   A randomised double blinded control trial between fentanyl and remifentanil in attenuating hemodynamic response to laryngoscopy and intubation in patients undergoing surgery under general anesthesia. 
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 Newstar Syiemiong 
Designation  Assistant Professor 
Affiliation  North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences 
Address  Department of Anesthesiology and critical care NEIGRIHMS, Mawdiangdiang

East Khasi Hills
MEGHALAYA
793018
India 
Phone  09856042240  
Fax    
Email  drsyiemiong@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Newstar Syiemiong 
Designation  Assistant Professor 
Affiliation  North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences 
Address  Department of Anesthesiology and critical care NEIGRIHMS, Mawdiangdiang

East Khasi Hills
MEGHALAYA
793018
India 
Phone  09856042240  
Fax    
Email  drsyiemiong@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Newstar Syiemiong 
Designation  Assistant Professor 
Affiliation  North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences 
Address  Department of Anesthesiology and critical care NEIGRIHMS, Mawdiangdiang

East Khasi Hills
MEGHALAYA
793018
India 
Phone  09856042240  
Fax    
Email  drsyiemiong@gmail.com  
 
Source of Monetary or Material Support  
North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong 
 
Primary Sponsor  
Name  North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences 
Address  Room no 105,Department of Anesthesiology and critical care, NEIGRIHMS, Mawdiangdiang, Meghalaya 793018 
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 Syiemiong Newstar  North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong  4th floor OT complex, DEPARTMENT OF ANAESTHESIOLOGY AND CRITICAL CARE, NEIGRIHMS MAWDIANGDIANG 793018
East Khasi Hills
MEGHALAYA 
09856042240

drsyiemiong@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institution ethics committee, NEIGRIHMS  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  , (1) ICD-10 Condition: Z863||Personal history of endocrine, nutritional and metabolic diseases,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  inj fentanyl  Inj Fentanyl is the standard of care drug. It will be given as an i.v bolus at a dose of 2 mcg/kg before anesthetic induction. Patient’s hemodynamic parameters along with BIS will be recorded at baseline (TB), one minute before intubation (T0), one minute after intubation (T1) and 3, 5,10 and 15 minutes after intubation (T3, T5, T10, and T15) respectively. Duration of laryngoscopy will also be recorded. 
Intervention  inj Remifentanil  Inj remifentanil will be given in the intervention group with a target control infusion pump choosing Minto model with an effect site concentration (Cet) set at 5 mcg/ml. Patient’s hemodynamic parameters along with BIS will be recorded at baseline (TB), one minute before intubation (T0), one minute after intubation (T1) and 3, 5,10 and 15 minutes after intubation (T3, T5, T10, and T15) respectively. Duration of laryngoscopy will also be recorded. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. Age- 18 to 65 years
2. ASA I,II and III
3. Both sexes
4. surgeries requiring General anesthesia with orotracheal intubation with direct laryngoscopy  
 
ExclusionCriteria 
Details  1. pregnant and lactating women
2. previous sensitivity to fentanyl, remifentanil, propofol, egg or soya bean
3. patients on beta blockers
4. chronic use of alcohol, sedatives or opioid abuse  
 
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 
which drug prevents increase in heart rate and blood pressure better  At baseline and then at minute interval 1,3,5,10 and 15. 
 
Secondary Outcome  
Outcome  TimePoints 
side effects of the medications  at minute interval 5,15,30,60 post surgery till transfer out from recovery area. 
 
Target Sample Size   Total Sample Size="40"
Sample Size from India="40" 
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)   01/01/2026 
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="2"
Months="0"
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 - YES
  1. What data in particular will be shared?
    Response - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response -  Statistical Analysis Plan
    Response - Clinical Study Report
    Response -  Analytic Code

  3. Who will be able to view these files?
    Response - Researchers who provide a methodologically sound proposal.

  4. For what types of analyses will this data be available?
    Response - To achieve aims in the approved proposal.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [drsyiemiong@gmail.com].

  6. For how long will this data be available start date provided 01-01-2026 and end date provided 01-01-2045?
    Response - Immediately following publication. No end date.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - nil
Brief Summary   study hypothesis: Remifentanil is superior to fentanyl in blunting hemodynamic response to laryngoscopy and intubation during general anesthesia
This study aims to see if inj Remifentanil is superior to inj fentanyl in blunting hemodynamic stress response to laryngoscopy ad intubation
 
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