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CTRI Number  CTRI/2025/06/089128 [Registered on: 19/06/2025] Trial Registered Prospectively
Last Modified On: 08/06/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Medical Device 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   A study evaluating the effect of brain stimulation treatment on improving memory and thinking in individuals with moderate to severe head injuries, compared to a similar group not receiving the treatment 
Scientific Title of Study   A DOUBLE-BLIND RANDOMIZED SHAM-CONTROLLED STUDY TO ASSESS THE EFFICACY AND TOLERABILITY OF HIGH DEFINITION TRANSCRANIAL DIRECT CURRENT STIMULATION (HD-tDCS) ON COGNITIVE FUNCTIONING IN MODERATE TO SEVERE TRAUMATIC BRAIN INJURY (TBI) 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  JAY MALYA BANERJEE 
Designation  JUNIOR RESIDENT 
Affiliation  ALL INDIA INSTITUTE OF MEDICAL SCIENCES, NEW DELHI 
Address  DEPARTMENT OF PSYCHIATRY, AIIMS NEW DELHI, ANSARI NAGAR EAST

New Delhi
DELHI
110029
India 
Phone  9310957202  
Fax    
Email  malyajoy11@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  ROHIT VERMA 
Designation  PROFESSOR 
Affiliation  ALL INDIA INSTITUTE OF MEDICAL SCIENCES, NEW DELHI 
Address  DEPARTMENT OF PSYCHIATRY, ROOM NO 4095, TEACHING BLOCK, AIIMS NEW DELHI, ANSARI NAGAR EAST

New Delhi
DELHI
110029
India 
Phone  9868005491  
Fax    
Email  rohit.aiims@gmail.com  
 
Details of Contact Person
Public Query
 
Name  ROHIT VERMA 
Designation  PROFESSOR 
Affiliation  ALL INDIA INSTITUTE OF MEDICAL SCIENCES, NEW DELHI 
Address  DEPARTMENT OF PSYCHIATRY, ROOM NO 4095, TEACHING BLOCK, AIIMS NEW DELHI, ANSARI NAGAR EAST


DELHI
110029
India 
Phone  9868005491  
Fax    
Email  rohit.aiims@gmail.com  
 
Source of Monetary or Material Support  
ALL INDIA INSTITUTE OF MEDICAL SCIENCES, NEW DELHI 
 
Primary Sponsor  
Name  AIIMS NEW DELHI 
Address  DEPARTMENT OF PSYCHIATRY, AIIMS, NEW DELHI, ANSARI NAGAR EAST 110029 
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 JAY MALYA BANERJEE  All India Institute of Medical Sciences, New Delhi  DEPARTMENT OF PSYCHIATRY, ROOM NO 4096, 4TH FLOOR, TEACHING BLOCK, AIIMS, ANSARI NAGAR, NEW DELHI 110029
New Delhi
DELHI 
9310957202

malyajoy11@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTE ETHICS COMMITTEE FOR POSTGRADUATE RESEARCH, AIIMS, NEW DELHI  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: S063||Focal traumatic brain injury, (2) ICD-10 Condition: S062||Diffuse traumatic brain injury, (3) ICD-10 Condition: S061||Traumatic cerebral edema, (4) ICD-10 Condition: S064||Epidural hemorrhage, (5) ICD-10 Condition: S065||Traumatic subdural hemorrhage, (6) ICD-10 Condition: S066||Traumatic subarachnoid hemorrhage, (7) ICD-10 Condition: S068||Other specified intracranial injuries, (8) ICD-10 Condition: S069||Unspecified intracranial injury,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  HIGH DEFINITION TRANSCRANIAL DIRECT CURRENT STIMULATION (HD-tDCS)  20 SESSIONS OF HD-tDCS ( 2 SESSIONS PER DAY WITH INTERVAL OF 3 HOURS BETWEEN EACH SESSION PER DAY) 
Comparator Agent  SHAM TRIAL  20 SESSIONS OF SHAM (PLACEBO TRIAL) ( 2 SESSIONS PER DAY WITH INTERVAL OF 3 HOURS BETWEEN EACH SESSION PER DAY) 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  45.00 Year(s)
Gender  Both 
Details  1.18-45 years of age
2.Any gender
3.Right handed individual
4.Participants who can read Hindi OR English language
5.History of Head injury (TBI)
6.Time Since Injury should be more than 6 months since TBI (chronic
TBI)
7.History of Moderate to Severe TBI (Mayo TBI
severity classification system)
8.Presence of at least one cognitive symptom on the
Neurobehavioral Symptom Inventory (NS I)
 
 
ExclusionCriteria 
Details  1.Individuals with Compound skull fracture
2.History of neurological or psychiatric illness prior to TBI in individuals.
3.Substance dependence with in previous 6 months
(except Nicotine and Caffeine)
4.Presence of implanted electrical devices or any
skull discontinuity over targeted brain regions
5.Post traumatic aphasia or psychosis or hydrocephalus or
vision loss or upper limb weakness
6.Individuals who are currently pregnant or lactating
7.Presence of uncontrolled medical illness
8.History of receiving any neuromodulation therapy
(CES, ECT, rTMS, tDCS) in previous 6 months
9.Currently undergoing Cognitive
Rehabilitation Training
10.Recent changes in psychotropic medications
(within previous 2 months)
11.Deny written informed consent (patient and
LAR or NR) OR Uncooperative  
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Pre-numbered or coded identical Containers 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Change in cognitive functioning in moderate to
severe TBI and to assess any adverse effcct due to tDCS
intervention in moderate-severe TBI (within both active and sham group) 
At baseline and after 10 sessions and after 20 sessions 
 
Secondary Outcome  
Outcome  TimePoints 
Changes in qEEG (spectral power density for slow frequencies) and fNlRS
(OxyHb changes) after tDCS in moderate to severe TBI (within both active and sham groups) 
At baseline and after 10 sessions and after 20 sessions 
 
Target Sample Size   Total Sample Size="20"
Sample Size from India="20" 
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   Phase 3 
Date of First Enrollment (India)   15/07/2025 
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="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
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   Worldwide, there is high prevalence of Traumatic Brain Injury (TBI) and of individuals who are struggling with persistent TBI-related cognitive deficits. Pharmacological treatment strategies to manage these cognitive deficits are limited by effectiveness as well as tolerability Issues. Only cognitive training is available at present, however it is often time consuming and ineffective. Synaptic plasticity has been a good prognostic factor for patients who have suffered Traumatic Brain Injury. Transcranial Direct Current Stimulation (tDCS) is a form of cheaper, safer, and feasible method and literature has reported its effectiveness in improving synaptic plasticity. However there has been a paucity of studies both worldwide as well as in India which investigates the utility of tDCS for cognitive impairment after TBI. 

Consultants and Senior Residents in the outpatient department (OPD) of Psychiatry, Neuropsychiatry, Neurosurgery, Trauma Psychiatry and at tDCS Facility of AIIMS, New Delhi shall be requested to refer all the patients with chronic TBI (more than 6m since TBI). Out of the referred patients, those of 18-45 years of age, right-handed, and with moderate to severe TBI (as per Mayo TBI severity classification system) with at least one cognitive symptom on the NSI will be chosen by a purposive method for participation in the study. Diagnosis of moderate to severe TBI will be confirmed using the Mayo TBI severity classification and participants fulfilling the inclusion and exclusion criteria will be recruited. Participants will be screened for psychiatric comorbidities using clinical interview. Physical, neurological and substance use comorbidity as well as pregnancy or lactation will be ruled out by history and clinical examination. Written consent will be taken prior to participation in the study. After conducting the semi-structured interview and collecting the clinical data and examining the patient for recruitment, participants will be allocated into 2 groups – one which will receive Active HD-tDCS and another which will receive Sham HD-tDCS. Allocation concealment and double blinding will be done to prevent selection bias and observer bias. For participant blinding, computer generated block randomization list will be prepared by the guide for grouping participants into 2 groups (active tDCS or sham tDCS) mentioning alphanumeric code for consecutive recruitment. Investigator after recruiting, will send the participant to tDCS Facility with the alphanumeric code. For investigator blinding, the technician will be allocating the participant to protocol A-tDCS or B-tDCS. Investigator will not be informed whether the participant receives protocol A-tDCS or B-tDCS. For technician blinding, the technician would be unaware of the interim protocol details. The protocols (A-tDCS or B-tDCS) would be prepared by the guide. 

A total of 20 sessions of active or sham HD-tDCS would be provided to each participant in respective groups. Gaps between sessions would be allowed (24-48 hours) but if a participant misses 3 consecutive days, then the participant would be considered drop out. Participants would keep receiving the medications as prescribed by the treating clinician without any alteration during the study period and a record of it would be made. For both the groups baseline assessment/pre intervention assessment (ACE-III, TMTApp, qEEG, fNIRS, CGI, WHODAS 2.0, NSI, tSEC) will be done within 2 days of assessments by sociodemographic and clinical data using semi structured datasheet. And following that both groups will be called for 10 sessions of tDCS (2 sessions per day for the next 5 days). After completion of 10 sessions by both groups, a mid-intervention assessment will be done for both groups using TMTApp, qEEG, CGI, WHODAS 2.0, NSI, tSEC. The participants of both the groups will be provided another 10 sessions of tDCS (2 sessions per day for the next 5 days), allowing a maximum gap of 72 hours between prior 10 sessions and the next 10 sessions. After completion of 20 sessions of tDCS, both groups will be subjected to post intervention assessment (ACE-III, TMTApp, qEEG, fNIRS, CGI, WHODAS 2.0, NSI, tSEC). The data obtained from the assessments will be analyzed.
 
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