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CTRI Number  CTRI/2024/11/076212 [Registered on: 04/11/2024] Trial Registered Prospectively
Last Modified On: 18/12/2025
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Single Arm Study 
Public Title of Study   To study the usefullness of IMPACT & CRASH outcome prediction scores for traumatic brain injury: to predict outcome in Indian population 
Scientific Title of Study   Use of IMPACT & CRASH prognostication models for traumatic brain injury: to predict outcome in Indian population, a pilot 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 Emy Ambooken 
Designation  DrNB trainee 
Affiliation  Kovai Medical Centre and Hospital,Coimbatore 
Address  DrNB - Department of Critical Care Medicine Kovai Medical Center and Hospital, Avinashi Road, Coimbatore - 641014.

Coimbatore
TAMIL NADU
641014
India 
Phone  09809750033  
Fax    
Email  emyambooken@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Gopinathan T 
Designation  HOD 
Affiliation  Kovai Medical Centre and Hospital,Coimbatore 
Address  Department of Critical Care Medicine,Kovai Medical centre and Hospital

Coimbatore
TAMIL NADU
641014
India 
Phone  9790832509  
Fax    
Email  docgopi79@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Emy Ambooken 
Designation  DrNB trainee 
Affiliation  Kovai Medical Centre and Hospital,Coimbatore 
Address  DrNB - Department of Critical Care Medicine Kovai Medical Center and Hospital, Avinashi Road, Coimbatore - 641014.

Coimbatore
TAMIL NADU
641014
India 
Phone  09809750033  
Fax    
Email  emyambooken@gmail.com  
 
Source of Monetary or Material Support  
Nil 
 
Primary Sponsor  
Name  Kovai Medical Center and Hospital 
Address  Kovai Medical centre and Hospital ,Avinashi Road,Coimbatore,Tamil NAdu,India Coimbatore Pin:641014 
Type of Sponsor  Private hospital/clinic 
 
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 Emy Ambooken  Kovai Medical Centre and Hospital,Coimbatore  DrNB - Department of Critical Care Medicine Kovai Medical Center and Hospital, Avinashi Road, Coimbatore - 641014.
Coimbatore
TAMIL NADU 
9809750033

emyambooken@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
KMCH 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,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil as it is an observational study 
Comparator Agent  Nil  Nil as it is an observational study 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  Patients admitted with a diagnosis of traumatic brain injury with a
GCS of 12 or less  
 
ExclusionCriteria 
Details  1. Hospital admission more than 6 hours post trauma.
2. Patients less than 18 years of age
3. Pregnant patients
4. GCS score affected by the presence of alcohol or drugs of abuse
5. GCS score of three with bilateral fixed and dilated pupils, or if
their injury was believed to be non-salvageable.
6. Those patients with a pre-existing neurological disability that
would not allow follow-up
7. Those patients without adequate data records 
 
Method of Generating Random Sequence    
Method of Concealment    
Blinding/Masking    
Primary Outcome  
Outcome  TimePoints 
1. To calculate the 6-month mortality and unfavorable outcome as predicted by IMPACT model and CRASH model and to compare with the observed 6-month mortality and unfavourable as seen in those patients with moderate to severe traumatic brain injury patients.
 
at 6 months after TBI 
 
Secondary Outcome  
Outcome  TimePoints 
To calculate 14-day mortality and 6-month unfavourable
outcome as predicted by CRASH model with CT and without
CT and compare with the observed 14-day mortality and 6
month unfavourable outcome in moderate to severe traumatic
brain injury patients 
6 months after TBI 
 
Target Sample Size   Total Sample Size="300"
Sample Size from India="300" 
Final Enrollment numbers achieved (Total)= "376"
Final Enrollment numbers achieved (India)="376" 
Phase of Trial   N/A 
Date of First Enrollment (India)   15/11/2024 
Date of Study Completion (India) 30/06/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) 10/04/2025 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
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   This is a retrospective observational study to evaluate ability of IMPACT and CRASH TBI model in predicting six month outcome in moderate to severe TBI patients in middle and low income countries.Records of patients admitted with moderate to severe TBI with GCS less than or equal to 12 during time period from january 2021 to june 2024 and satisfying inclusion criteria will be included in the study.Records of those patients will be retrieved and data like age,motor response,pupillary response at admission,existence of prehospital hypoxia,development of hypotension,marshall CT classification and presence of major extracranial injury based on abbreviated injury score will be collected and based on these variables IMPACT model and CRASH model will be used to predict their six month outcome.Glassgow Outcome Scale (GOS) of these patients will be assesed at their routine follow up visit after six months of TBI or by telephonic interview.Glassgow Outcome Scale will be dichotomized as favourable  (GOS 4 to 5) VS unfavourable (GOS 1 to 3) vs Mortality (GOS 1).The prognostic ability of IMPACT and CRASH model in predicting 6 months  outcome will be assesed using appropriate statiscal model. 
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