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CTRI Number  CTRI/2025/02/080663 [Registered on: 17/02/2025] Trial Registered Prospectively
Last Modified On: 31/12/2024
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cohort Study 
Study Design  Other 
Public Title of Study   Study to evaluate and compare the brain oxygen levels using Near Infrared Spectroscopy during and after surgery in patients undergoing endovascular coiling or surgical clipping of brain aneurysm. 
Scientific Title of Study   Study to evaluate and compare the regional cerebral oxygenation levels using Near Infrared Spectroscopy during perioperative period in patients undergoing endovascular coiling or surgical clipping of intracranial aneurysm. 
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 Nupur Khewle 
Designation  DM Neuroanaesthesia resident 
Affiliation  GIPMER 
Address  Department of Anaesthesiology and Intensive care, 6th floor, Academic block, GIPMER, New Delhi

New Delhi
DELHI
110002
India 
Phone  6265572234  
Fax    
Email  dr.nupurkhewle@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Priyanka Khurana 
Designation  Professor, Neuroanaesthesia Unit 
Affiliation  GIPMER 
Address  Department of Anaesthesiology and Intensive care, 6th floor, Academic block, GIPMER, New Delhi

New Delhi
DELHI
110002
India 
Phone  9718592495  
Fax    
Email  dr_priyankamadan@hotmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Priyanka Khurana 
Designation  Professor, Neuroanaesthesia Unit 
Affiliation  GIPMER 
Address  Department of Anaesthesiology and Intensive care, 6th floor, Academic block, GIPMER, New Delhi

New Delhi
DELHI
110002
India 
Phone  9718592495  
Fax    
Email  dr_priyankamadan@hotmail.com  
 
Source of Monetary or Material Support  
GB Pant Institute of Postgraduate Medical Education and Research, New Delhi, India, 110002 
 
Primary Sponsor  
Name  GB Pant Institute of Postgraduate Medical Education and Research 
Address  Department of Anaesthesiology and Intensive care, 6th floor, Academic block, GIPMER, New Delhi, India, 110002 
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 Nupur Khewle  GB Pant Institute of Postgraduate Medical Education and Research  Department of Anaesthesiology and Intensive care, 6th floor, Academic block, New Delhi, India, 110002
New Delhi
DELHI 
6265572234

dr.nupurkhewle@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, Maulana Azad Medical College and associated hospitals  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: G00-G99||Diseases of the nervous system,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NOT APPLICABLE  NOT APPLICABLE 
Comparator Agent  NOT APPLICABLE  NOT APPLICABLE 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Patients diagnosed with aneurysmal subarachnoid hemorrhage of anterior circulation posted for endovascular coiling or surgical clipping. 
 
ExclusionCriteria 
Details  Patients with with posterior circulation aneurysm, ASA physical status V and VI, Pre-existing chronic neurologic disease, Moderate and severe systolic dysfunction (Ejection fraction less than 40%), Severe valvular stenosis (aortic or mitral), Unoptimized circulatory shock, Severe anaemia 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Regional cerebral oxygenation levels during intraoperative and initial postoperative period for six hours in patients undergoing endovascular coiling or surgical clipping  Baseline values before administration of any drug
Every 5minutes till the patient is either extubated or shifted out of operation theatre intubated
Every 15 minutes till 6 hours postoperatively 
 
Secondary Outcome  
Outcome  TimePoints 
Area under curve of regional cerebral oxygenation levels below 10% from baseline  Baseline values before administration of any drug
Every 5minutes till the patient is either extubated or shifted out of operation theatre intubated
Every 15 minutes till 6 hours postoperatively 
Correlation of regional cerebral oxygenation levels with-
the occurrence of delayed cerebral ischemia
the grade of modified Rankin Scale
number of days on mechanical ventilation
number of days in ICU 
Up to 30 days of postoperative period 
 
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)   25/02/2025 
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 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 - NO
Brief Summary   Aneurysmal subarachnoid hemorrhage (aSAH) after rupture of an intracranial aneurysm may lead to cerebral hypoxia which can have profound adverse outcomes like stroke, focal neurological impairment, delayed cerebral ischemia, and prolonged neuro-intensive care unit and hospital staysAs cerebral hypoxia can potentially develop during aneurysm clipping and coiling, monitoring of cerebral oxygen levels are thus essential for early detection and timely management of cerebral hypoxia to enable improved outcomes in aSAH patients.
We aim to compare the regional cerebral oxygenation (rSO2) levels using Near Infrared Spectroscopy (NIRS) during peri-operative period in patients undergoing endovascular coiling or surgical clipping of intracranial aneurysm and to correlate its impact on postoperative neurological outcome.
To treat a critical reduction in cerebral oximetry values (these interventions will be done only when rSO2 level achieves a critical threshold (rSO2<20% from baseline) oxygen delivery and oxygen consumption will be optimized.
 
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