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CTRI Number  CTRI/2024/08/072528 [Registered on: 14/08/2024] Trial Registered Prospectively
Last Modified On: 20/08/2024
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Effect of remifentanyl on intubation response in hyper tensive patients. 
Scientific Title of Study   Comparison of the effect of remifentanil versus dexmedetomidine on stress response to laryngoscopy in hypertensive patients undergoing surgery under general anaesthesia: a prospective, randomised, double-blind study.  
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 Annu Choudhary 
Designation  Assistant Professor 
Affiliation  Indira Gandhi institute of medical sciences, Patna 
Address  Department of anaesthesia, Neuro OT Complex, First floor, Ward block, IGIMS, Patna IGIMS, Sheikhpura,Patna- 800014

Patna
BIHAR
800014
India 
Phone  7385161632  
Fax    
Email  anucdry@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Annu Choudhary 
Designation  Assistant Professor 
Affiliation  Indira Gandhi institute of medical sciences, Patna 
Address  Department of anaesthesia, Neuro OT Complex, First floor, Ward block, IGIMS, Patna IGIMS, Sheikhpura,Patna- 800014


BIHAR
800014
India 
Phone  7385161632  
Fax    
Email  anucdry@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Annu Choudhary 
Designation  Assistant Professor 
Affiliation  Indira Gandhi institute of medical sciences, Patna 
Address  Department of anaesthesia, Neuro OT Complex, First floor, Ward block, IGIMS, Patna IGIMS, Sheikhpura,Patna- 800014


BIHAR
800014
India 
Phone  7385161632  
Fax    
Email  anucdry@gmail.com  
 
Source of Monetary or Material Support  
Indira Gandhi Institute of Medical Sciences, Sheikhpura,Patna- 800014 
 
Primary Sponsor  
Name  Dr Annu Choudhary 
Address  Department of anaesthesia, Neuro OT Complex, First floor, Ward block, IGIMS, Patna IGIMS, Sheikhpura,Patna- 800014 
Type of Sponsor  Other [self] 
 
Details of Secondary Sponsor  
Name  Address 
Dr Swati Singh  Department of anaesthesia, Neuro OT Complex, First floor, Ward block, IGIMS, Patna IGIMS, Sheikhpura,Patna- 800014 
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 Annu Choudhary   Indira Gandhi Institute of Medical Sciences,Patna  Department of anaesthesia, first floor, ward block, IGIMS , Patna Patna
Patna
BIHAR 
7385161632

anucdry@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethics committee, Indira Gandhi Institute of Medical Sciences, Patna  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, (2) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  inj dexmeditomidine  Patients in Group D will receive IV dexmedetomidine at the rate of 10 μg/kg/hr for 10 mins  
Intervention  inj remifentanyl  patients in Group R will receive IV remifentanil as 1 mcg/kg bolus over 45 sec followed by 0.2 mcg/kg/min.  
 
Inclusion Criteria  
Age From  40.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  Patients with Primary Hypertension Grade 1 & 2, ASA II, posted for elective surgery under general anaesthesia  
 
ExclusionCriteria 
Details  • Patient’s refusal to participate
• Uncompensated cardiovascular, pulmonary, neurological, hepato-renal, endocrine disorders
• Allergy to study drugs
• Any substance abuse disorders.
• Viral marker status positive
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
change in BIS values on laryngoscopy  immediately after intubation (Ti) 
 
Secondary Outcome  
Outcome  TimePoints 
Comparison of time to achieve BIS 50 in between two groups
2. Comparison of total propofol consumption for induction in between the two groups
3. Incidence of any adverse effects in two groups
4. Comparison of change in vital parameter ( HR, MAP,SpO2, RR)
 
Baseline
(0min) 1 min 2 min 3 min 4 min 5 min 6 min 7 min 8 min 9 min 10 min
Before induction After induction Before laryngoscopy After intubation (Ti) 5 min 10 mins 30 min 60 min
end of surgery
 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
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)   25/08/2024 
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="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
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   While numerous studies have explored different doses of dexmedetomidine or remifentanyl, and indicated its effectiveness in attenuating the hemodynamic pressor response, only a limited number of studies have integrated BIS monitoring, an indicator of satisfactory anesthesia , to compare the efficacy of dexmedetomidine with remifentanil. Both these drugs have sedative and analgesic properties of their own which reduces the stress response. Therefore, this study aims to compare the effects of remifentanil and dexmedetomidine on the stress response to laryngoscopy in patients undergoing surgery under general anesthesia, utilizing BIS monitoring to assess the adequacy of anesthesia and associated haemodyanamic fluctuation in hypertensive patients.
 
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