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CTRI Number  CTRI/2019/02/017784 [Registered on: 22/02/2019] Trial Registered Prospectively
Last Modified On: 28/06/2019
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A study to compare decrease in stress response during skull pin insertion between intravenous dexmedetomidine and local infiltration of ropivacaine. 
Scientific Title of Study   Comparison of intravenous dexmedetomidine with local infiltration of ropivacaine in attenuation of stress response to skull pin insertion in craniotomies. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Renu Bala 
Designation  Professor 
Affiliation  Pt B D Sharma university of health sciences rohtak 
Address  PGIMS rohtak, Department of Anaesthesiology.

Rohtak
HARYANA
124001
India 
Phone  9416488627  
Fax    
Email  neurodmrenu@yahoo.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Srishti malhan 
Designation  Junior resident 
Affiliation  Pt B D Sharma university of health sciences rohtak 
Address  Senior girls hostel pgims rohtak
Department of Anaesthesiology , pgims rohtak
Rohtak
HARYANA
124001
India 
Phone  9996888324  
Fax    
Email  drsrishtimalhan@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Srishti malhan 
Designation  Junior resident 
Affiliation  Pt B D Sharma university of health sciences rohtak 
Address  Senior girls hostel pgims rohtak
Department of Anaesthesiology , pgims rohtak
Rohtak
HARYANA
124001
India 
Phone  9996888324  
Fax    
Email  drsrishtimalhan@gmail.com  
 
Source of Monetary or Material Support  
Department of anaesthesiology. Pt B D sharma institute of medical sciences rohtak 
 
Primary Sponsor  
Name  Department of anaesthesiology 
Address  PGIMS, UHS rohtak 
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 Renu Bala  PT B D Sharma PGIMS rohtak  Department of anaesthesiology, Neurosurgery operation theatre, lala shyam Lal building near trauma centre.
Rohtak
HARYANA 
9416488627

neurodmrenu@yahoo.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethics committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: G938||Other specified disorders of brain, Patients of 18-65 years ASA grade 1 to 3 scheduled to undergo elective craniotomy under general anaesthesia requiring application of head- holder.,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Intravenous dexmedetomidine before skull pin insertion  Intravenous dexmedetomidine .75mg/kg/min over 10 minutes before skull pin insertion. 
Comparator Agent  Ropivacaine is alocal anaesthetic belonging to amino amide group.  local infiltration of ropivacaine at skull pin insertion site 2ml each before pin insertion. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  ASA grade 1 to 3 undergoing elective craniotomy under general anaesthesia requiring application of head holder. 
 
ExclusionCriteria 
Details  bradycardia(<50)
second or third degree heart block
uncontrolled hypertention
cardiac, renal or hepatic disease
history of beta blocker intake
glasgow coma scale <13
pitutary disease
known allergic to local anaesthetic or dexmedetomidine 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Evaluation of efficacy of intravenous dexmedetomidine in decreasing skull pin insertion response i.e. alteration in heart rate, mean arterial pressure, BIS, perfusion index,serum cortisol, serum prolactin& blood glucose.   Vitals are recorded at baseline, after induction, after intubation, 1, 3, 5 minutes after intubation, before and after study drug , before and after skullpin insertion, 1, 3, 5, 10, 15, 20 minutes after skullpin insertion . serum cortisol ,prolactin and blood sugar are measured baseline and 30 minutes after skullpin insertion.  
 
Secondary Outcome  
Outcome  TimePoints 
systolic blood pressure, diastolic blood pressure, end tidal carbon dioxide level, SpO2, Fiso will be noted  Recorded at baseline, after induction, after intubation, 1, 3, 5 minutes after intubation, before and after study drug , before and after skullpin insertion, 1, 3, 5, 10, 15, 20 minutes after skullpin insertion  
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "88"
Final Enrollment numbers achieved (India)="88" 
Phase of Trial   N/A 
Date of First Enrollment (India)   08/03/2019 
Date of Study Completion (India) 24/05/2019 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="9"
Days="27" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   Not yet published 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary   The present prospective , randomized, comparative, double blind study will be conducted in the Department of Anaesthesiology and Critical Care, PGIMS, rohtak. Written informed and witnessed consent taken for participation. 18-65 years of patients of either sex belonging to ASA grade 2 or 3 undergoing elective craniotomy will be included. The patients will be divided in two groups one will receive intravenous dexmedetomidine other will recei8ve local infiltration of ropivacaine during skullpin insertion. Vitals and other parameters will be recorded at specified time interval.   
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