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CTRI Number  CTRI/2023/06/053603 [Registered on: 07/06/2023] Trial Registered Prospectively
Last Modified On: 13/07/2024
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Other 
Public Title of Study   Influence of dexmedetomidine drug in scalp(head) block with ropivacaine drug 0.25% for obtaining effect of nociceptive(pain) and haemodynamic responses to skull pin placement in neurosurgical patients undergoing craniotomy surgery.  
Scientific Title of Study   Influence of dexmeditomidine in scalp block with ropivacaine 0.25% for attenuation of nociceptive and haemodynamic responses to skull pin placement in neurosurgical patients undergoing craniotomy:A prospective randomized comparative study.  
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Nitesh Dahiya 
Designation  Resident doctor,depatment of anaesthesia 
Affiliation  mahatma gandhi medical college and hospital,jaipur. 
Address  room no-312-hostel 4C,sabarmati hostel,mahatma gandhi medical college,jaipur.
room no-C22-unique new town,jagatpura,jaipur
Jaipur
RAJASTHAN
302022
India 
Phone  7728878456  
Fax    
Email  ndnitesh99@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr prachi verma 
Designation  Associate professor ,department of anaesthesia 
Affiliation  mahatma gandhi medical college,jaipur. 
Address  dept of anaesthesia,Mahatma Gandhi medical college and hospital, sitapura,jaipur
dept of anaesthesia,Mahatma Gandhi medical college and hospital, sitapura,jaipur
Jaipur
RAJASTHAN
302022
India 
Phone  9829191038  
Fax    
Email  Doctorprachi.verma@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Nitesh Dahiya 
Designation  Resident doctor ,department of anaesthesia 
Affiliation  mahatma gandhi medical college and hospital,jaipur. 
Address  312-hostel 4C,sabarmati hostel,mahatma gandhi medical college,jaipur.
room no-C22-unique new town,jagatpura,jaipur
Jaipur
RAJASTHAN
302022
India 
Phone  7728878456  
Fax    
Email  ndnitesh99@gmail.com  
 
Source of Monetary or Material Support  
Mahatma Gandhi medical college and hospital, sitapura,jaipur (rajasthan) 
 
Primary Sponsor  
Name  mahatma gandhi hospital and medical college 
Address  Department of Anesthesia Critical care,mahatma gandhi hospital,sitapura,jaipur,rajasthan. 
Type of Sponsor  Private medical college 
 
Details of Secondary Sponsor  
Name  Address 
mahatma gandhi hospital medical college  Department of Anesthesia Critical care,mahatma gandhi hospital,sitapura,jaipur,rajasthan. 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Nitesh Dahiya  MAHATMA GANDHI MEDICAL COLLEGE AND HOSPITAL  DEPARTMENT OF ANAESTHESIA,OT COMPLEX,jaipur RAJASTHAN
Jaipur
RAJASTHAN 
7728878456

ndnitesh99@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
DR RAJENDRA KUMAR SUREKHA,MEMBER SECRETARY,IEC  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C719||Malignant neoplasm of brain, unspecified, (2) ICD-10 Condition: R298||Other symptoms and signs involvingthe nervous and musculoskeletal systems, (3) ICD-10 Condition: R00-R99||Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Scalp block for skull pin placement in craniotomy  Group B-0.25% ropivacaine+dexmeditomidine Intraoperativevely starting frome pre surgical baseline values to time interval of 5-15 mins followed by half an hour. 
Intervention  scalp block for skull pin placement in craniotomy.  Group A-ropivacaine o.25% Intraoperativevely starting frome pre surgical baseline values to time interval of 5-15 mins followed by half an hour. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Age:18-65
ASA 1 & 2
Scheduled for elective neurosurgical procedures.
Agreed for written & informed consent.
Requiring mayfield skull pin holder. 
 
ExclusionCriteria 
Details  Uncontrolled hypertensive patients.
Pre operative bradycardia.
Ischemic heart disease.
Cardiac arrhythmia.
Hepatic and renal disease.
Allergy to study drugs.
Past history of craniotomy.
Pregnant and lactating women.
 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Other 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
To analyse and compare the change in HR,using lead II of ECG,systolic bp,diastolic BP at different time points after skull pin placement from baseline in both the groups using invasive blood pressure monitoring.  15 minutes from baseline to 1 hour,
then half an hour till 4 hours 
 
Secondary Outcome  
Outcome  TimePoints 
The secondary outcome of the study will be on intraoperatively hemodynamic monitoring including blood pressure, MAP,HR and SPO2.  5 Min observation till 15 mins,then 15 mins observation till 1 hour,then half n hour observation for 4 hours. 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "60"
Final Enrollment numbers achieved (India)="60" 
Phase of Trial   N/A 
Date of First Enrollment (India)   15/06/2023 
Date of Study Completion (India) 12/06/2024 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) 12/07/2024 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   Not yet 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  

The use of skull pin head holder to stabilise the head during craniotomy produces a strong noxious stimulus and sympathetic activation, resulting in abrupt increase in heart rate and arterial blood pressure and may increase the cerebral blood flow and intracranial pressure.Different anaesthetic and pharmacological techniques have been used to attenuate haemodynamic response to skull pin placement.Of the various methods mentioned, scalp block with local anaesthetic (LA) drug is commonly used. To prolong or for added effect, we add adjuvants to LAs. Alpha 2 agonists are one among the various adjuvants used along with  LAs in scalp block. 

 

The Mayfield skull-pin head holder is used to stabilize the head during neurosurgical procedures.They support the head without any direct pressure on the face, allow access to the airway and hold the head firmly in one position that can be finely adjusted for optimal neurosurgical exposure. 

 
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