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CTRI Number  CTRI/2024/11/077275 [Registered on: 25/11/2024] Trial Registered Prospectively
Last Modified On: 12/11/2024
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Data collection study 
Study Design  Other 
Public Title of Study   Collection of EEG recordings in patients under general anesthesia 
Scientific Title of Study   A prospective observational study to collect EEG recordings of hospitalized patients prior and during elective surgery under general anesthesia 
Trial Acronym  EEG recordings study 
Secondary IDs if Any  
Secondary ID  Identifier 
BGU/SSC/2024 V1.0 17JUL2024  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Sudheesh K 
Designation  Prof and HoD of Aneshtesiology 
Affiliation  Bangalore Medical College and Research Institute  
Address  Room 47, B Block

Bangalore
KARNATAKA
560002
India 
Phone  9900134694  
Fax    
Email  dr.sudhi77@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  K Suresh Kumar 
Designation  Director Clinical Development 
Affiliation  SunSecure Clinical Research Services Pvt Ltd 
Address  Room 110, DS Max Savvy, Anjanapura

Bangalore
KARNATAKA
560062
India 
Phone  9739798272  
Fax    
Email  dr.suresh.karri@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Sravani P S L 
Designation  Founder and Director 
Affiliation  SunSecure Clinical Research Services Pvt Ltd 
Address  Amruth Nagar Main Road, Anjanapura Post

Bangalore
KARNATAKA
560062
India 
Phone  9611293347  
Fax    
Email  sravani@sunsecure.co.in  
 
Source of Monetary or Material Support  
Ben Gurion University of the Negev BGU, David Ben Gurion Blvd 1, Beer Sheva, Israel - 84105 
 
Primary Sponsor  
Name  Ben Gurion University of the Negev BGU 
Address  Ben Gurion University of the Negev BGU, David Ben Gurion Blvd 1, Beer Sheva, Israel - 84105 
Type of Sponsor  Research institution 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 2  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Sudheesh K  Bangalore Medical College and Research Institute - Victoria Hospital  Room 47, B Block, Dept. of Orthopaedics
Bangalore
KARNATAKA 
09900134694

dr.sudhi77@gmail.com 
Dr Prashanth Prabhu  Sapthagiri Institute of Medical Sciences and Research Center  Dept. of Clinical Research, Room 18
Bangalore
KARNATAKA 
09035067161

gm@sapthagiriclintrac.com 
 
Details of Ethics Committee  
No of Ethics Committees= 2  
Name of Committee  Approval Status 
Ethics Committee BMCRI  Submittted/Under Review 
Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: R298||Other symptoms and signs involvingthe nervous and musculoskeletal systems,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  NIL  NIL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. Patients aged 18 to 65 years (both inclusive)
2. Both male and female
3. Patients hospitalized for elective surgery under general
anaesthesia
4. General anaesthesia classified as ASA 1 to 2 in the pre anaesthesia examination 
 
ExclusionCriteria 
Details  1. Any injury or damage to the scalp or skull
2. Refusal or unwillingness to participate in the study
3. Use of medications such as beta-blockers that can affect heart rate and blood pressure.
4. Patients with a history of demyelinating disease or any progressive neurological disorder
5. Patient data with an active infection of the central nervous system, severe acute or chronic disease (haematological, renal, cancer, acquired immunodeficiency syndrome)
6. Patients with impaired consciousness from various reasons 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Correlation of EEG recordings with the level of consciousness in patients under general anaesthesia and develop a tool  EEG data including 5 min of baseline activity before anaesthesia and 1-3 hours of recording during anaesthesia 
 
Secondary Outcome  
Outcome  TimePoints 
Medications during recording/ hospitalization from the medical record in hospitalization
● Reason for monitoring (presurgical, diagnosis)
● Comorbidities 
5 min of baseline activity before anaesthesia and 1-3 hours of recording during anaesthesia 
 
Target Sample Size   Total Sample Size="20"
Sample Size from India="20" 
Final Enrollment numbers achieved (Total)= "20"
Final Enrollment numbers achieved (India)="20" 
Phase of Trial   N/A 
Date of First Enrollment (India)   02/12/2024 
Date of Study Completion (India) 31/03/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="6"
Days="15" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
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   Defining the level of consciousness in a patient under full anaesthesia poses a challenge. Despite advancements in EEG technology and scientific knowledge, no device is available to accurately determine the  depth  of  anaesthesia  required  for  surgery.  This  results  in inaccuracies when assessing the patient’s consciousness during the procedure. Metrics such as blood pressure or bispectral index fall short in characterizing consciousness levels, as they cannot entirely prevent instances of wakefulness or a certain level of consciousness during surgery. Thus, there is a need for a more precise tool to evaluate such situations. We want to develop a diagnostic tool that can  consistently  determine  the  patient’s  level  of  consciousness, independently  of  subjective  interpretations  and  across  different individuals. 
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