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CTRI Number  CTRI/2024/04/065811 [Registered on: 16/04/2024] Trial Registered Prospectively
Last Modified On: 05/04/2024
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Other (Specify) [Theraputic]  
Study Design  Randomized, Crossover Trial 
Public Title of Study   Transcranial Magnetic stimulation in Writers cramp patients 
Scientific Title of Study   Repetitive Transcranial Magnetic stimulation to the inferior parietal lobule in task specific focal hand dystonia;A crossover;sham-control ,blinded outcome assessment study 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
I-1610  Other 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  DrRoopa Rajan 
Designation  Additional Professor 
Affiliation  AIIMS, New Delhi 
Address  Room no.-708,Cardio Neuro centre , AIIMS, Ansari Nagar,New Delhi-11002

New Delhi
DELHI
11002
India 
Phone  7025882507  
Fax    
Email  roopaajan@aiims.edu  
 
Details of Contact Person
Scientific Query
 
Name  DrRoopa Rajan 
Designation  Additional Professor 
Affiliation  AIIMS, New Delhi 
Address  Room no.-708,Cardio Neuro centre , AIIMS, Ansari Nagar,New Delhi-11002

New Delhi
DELHI
11002
India 
Phone  7025882507  
Fax    
Email  roopaajan@aiims.edu  
 
Details of Contact Person
Public Query
 
Name  Deblina Biswas 
Designation  Project Research Scientist-1 
Affiliation  AIIMS, New Delhi 
Address  Room no-708, Cardio Neuro Centre , AIIMS, Ansari Nagar, New Delhi-110029.

New Delhi
DELHI
110029
India 
Phone  9123947037  
Fax    
Email  deblinabiswas1991@gmail.com  
 
Source of Monetary or Material Support  
Indian Council of Medical Research 
 
Primary Sponsor  
Name  Indian Council of Medical Research 
Address  AIIMScampus , Ansari nagar east,New Delhi-11002 
Type of Sponsor  Government funding agency 
 
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 
Deblina Biswas  AIIMS  Ansari Nagar, New Delhi-110029
New Delhi
DELHI 
9123947037

deblinabiswas1991@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Committee,AIIMS,New Delhi- 110029  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: G248||Other dystonia,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  NA  NA 
Intervention  Repetitive transcranial magnetic stimulation .SHAM or REAL.  In this crossover study, 50 patients with task specific FHD will be randomized to receive 5 daily sessions of either low frequency (1Hz) inhibitory rTMS [Intervention] or Sham stimulation [Control] over the inferior parietal lobule (IPL).After a washout period of 2 weeks, participants will receive the alternate intervention 
 
Inclusion Criteria  
Age From  18.00 Day(s)
Age To  60.00 Day(s)
Gender  Both 
Details  Inclusion criteria-Patients meeting all of the following criteria will be
included in the study: a) Diagnosis of isolated, task specific focal hand dystonia as per MDS consensus update on phenomenology and classification of dystonia1 by 2 independent movement disorder specialists.b) Age 18-60 years2 .c) Not received BONT injections in the past 4 months.d) No localscalp infections/ wounds
e) Able to give informed consent.
 
 
ExclusionCriteria 
Details  .3. Exclusion criteria
Participants meeting any of the following the criteria will be
excluded from the study a) History of brain tumour, stroke,
traumatic brain injury, epilepsy or seizure in lifetime.
b) History of major depression, psychosis
c) Implanted pacemaker, intracardiac lines, pumps or
stimulators, or metallic foreign bodies inside the eye or
skull. (Dental fillings and braces are allowed)
d) Pregnancy (negative UPT in 2 weeks)

Age and gender matched Healthy volunteers, with no known neurological complaints will be included for validation of fMRI, electrophysiology and kinematic protocols.
 
 
Method of Generating Random Sequence   Stratified randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
The primary outcome will be the Writer’s Cramp Rating Scale (WCRS)
immediately after the intervention session. 
The primary outcome will be the Writer’s Cramp Rating Scale (WCRS)
immediately after the intervention session. 
 
Secondary Outcome  
Outcome  TimePoints 
Secondary outcomes will include kinematic analysis
(accelerometry, goniometry, handwriting kinematics), patient global impression of change scale, resting
and task based functional MRI assessments. 
1day 
 
Target Sample Size   Total Sample Size="50"
Sample Size from India="50" 
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)   01/05/2024 
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="3"
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   . Summary -  In this crossover study, 50 patients with task specific FHD will be randomized to receive 5 daily sessions of either low frequency (1Hz) inhibitory rTMS [Intervention] or Sham stimulation [Control] over the inferior parietal lobule (IPL).After a washout period of 2 weeks, participants will receive the alternate intervention. The primary outcome will be the Writer’s Cramp Rating Scale (WCRS) immediately after the intervention session. Secondary outcomes will include kinematic analysis (accelerometry, goniometry, handwriting kinematics), patient global impression of change scale, resting and task based functional MRI assessments. We expect to generate novel data that will deepen the understanding of the pathophysiological mechanisms in FHD and contribute to a non-invasive, efficacious and safe treatment strategy for the same. 
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