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CTRI Number  CTRI/2025/07/091682 [Registered on: 24/07/2025] Trial Registered Prospectively
Last Modified On: 13/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A study of efficacy of nerve block by phenol vs botulinum toxin motor point block in case of post stroke upper limb tightness 
Scientific Title of Study   A comparative study between efficacy of phenol chemoneurolysis vs onabotulinum toxin motor point block in post stroke upper limb spasticity. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  SOUVIK MANDAL 
Designation  Junior resident 
Affiliation  IPGMER AND SSKM,KOLKATA 
Address  Uttarayan Nutanchati Christiandanga road Bankura
ROOM NO 113 GROUND FLOOR SSKM DOCTOR HOSTEL 242 HARISH MUKHERJEE ROAD,BHOWANIPUR,KOLKATA,WB 700020
Kolkata
WEST BENGAL
722101
India 
Phone  6290727376  
Fax    
Email  m.souvik339@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Rajesh Pramanik 
Designation  HOD and Professor 
Affiliation  IPGMER AND SSKM,KOLKATA 
Address  PMR DEPT,GROUND FLOOR,IPGMER AND SSKM 244,AJC Bose Road,kolkata

Kolkata
WEST BENGAL
700020
India 
Phone  9432594882  
Fax    
Email  rpramanik2000@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Rajesh Pramanik 
Designation  HOD and Professor 
Affiliation  IPGMER AND SSKM,KOLKATA 
Address  PMR DEPT,GROUND FLOOR,IPGMER AND SSKM 244,AJC Bose Road,kolkata

Kolkata
WEST BENGAL
700020
India 
Phone  9432594882  
Fax    
Email  rpramanik2000@yahoo.com  
 
Source of Monetary or Material Support  
IPGMER & SSKM,KOLKATA 244 AJC Bose Road,kolkata 700020,India 
 
Primary Sponsor  
Name  Institute of post graduate medical education and research 
Address  BHWANIPUR,KOLKATA WEST BENGAL 700020 
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 
SOUVIK MANDAL  Institute of post graduate medical education and research  PMR OT 1st FLOOR,PMR DEPT,244,AJC Bose Road,kolkata,WB 700020
Kolkata
WEST BENGAL 
6290727376

m.souvik339@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IPGME&R Research Oversight Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: I699||Sequelae of unspecified cerebrovascular diseases,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Botolinum toxin motor point block  At first botulinum toxin prepared with ns.Then 5 cc needle inserted to motor point of each muscle with help of usg.Next toxin is injected into specific muscle 
Intervention  Phenol Chemoneurolysis  At first teflon coated needle connected to nerve stimulator guided to specific motor branch of the muscle.Specific muscle contraction observed at 0.5 ma to 09.2 ma.Phenol injection given till no contraction visible 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Clinically and radiologically confirmed any stroke.
Spasticity at MAS scale 2/3.
Brunnstorm stage recovery 3-4 
 
ExclusionCriteria 
Details  Local site infection.
Contracture of UL.
Allergy to phenol or botulinum toxin 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Other 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
Phenol block will be statistically significant than botulinum toxin in terms of MAS,wrist rom and modified frenchey scale  Phenol block will be statistically significant than botulinum toxin in terms of MAS,wrist rom and modified frenchey scale at baseline,24 hr,2wk,12 wk 
 
Secondary Outcome  
Outcome  TimePoints 
NIL   
 
Target Sample Size   Total Sample Size="82"
Sample Size from India="82" 
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)   25/07/2025 
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="1"
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   Patients are taken ,then routine blood tests, serology done . Patients are randomised into in a 1:1 ratio to a botulinum toxin injection group(A) or phenol injection group(B).Then grp A will be given botulinum toxin injection using usg guidance and grp B will be given phenol injection under nerve stimulator and usg guidance. Then patients are evaluated at 24 hr,2wk and 12 wk by assessing the wrist rom and value of modified frenchey scale. 
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