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CTRI Number  CTRI/2026/02/104953 [Registered on: 26/02/2026] Trial Registered Prospectively
Last Modified On: 23/02/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparison Between Lignocaine Patch And Diclofenac Patch for relief of Venepuncture Pain In Adult Patients 
Scientific Title of Study   Comparison Between Lignocaine Patch And Diclofenac Patch On Venepuncture Pain In Adult Patients 
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 ARPANA KUMARI 
Designation  Post Graduate Trainee Anaesthesiology 
Affiliation  Institute of Post Graduate Medical Education and Research, Kolkata 
Address  Institute of Post Graduate Medical Education and Research, Department of Anaesthesiology, 244 AJC Bose Road, Kolkata-700020 Kolkata WEST BENGAL 700020 India

Kolkata
WEST BENGAL
700020
India 
Phone  9903990230  
Fax    
Email  arpanathakur1995@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr MOHANCHANDRA MANDAL 
Designation  Professor, Department of Anaesthesiology 
Affiliation  Institute of Medical Education and Research,kolkata 
Address  Institute of Post Graduate Medical Education and Research, Department of Anaesthesiology,244 AJC Bose Road, Kolkata

Kolkata
WEST BENGAL
700020
India 
Phone  9433072820  
Fax    
Email  drmcmandal@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr MOHANCHANDRA MANDAL 
Designation  Professor, Department of Anaesthesiology 
Affiliation  Institute of Medical Education and Research,kolkata 
Address  Institute of Post Graduate Medical Education and Research, Department of Anaesthesiology,244 AJC Bose Road, Kolkata

Kolkata
WEST BENGAL
700020
India 
Phone  9433072820  
Fax    
Email  drmcmandal@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology,Institute of Post Graduate Medical Education and Research and sskmhospital,244 Ajc bose road Kolkata- 700020  
 
Primary Sponsor  
Name  Department of Anaesthesiology 
Address  3rd floor, main OT complex, main block, Institute of Post Graduate Medical Education and Research and SSKM HOSPITAL,244 AJC Bose Road, Kolkata- 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 
Dr arpana kumari  institute of post graduate medical education and research, kolkata  department of anaesthesiology, institute of medical education and research, 244 AJC Bose road, kolata
Kolkata
WEST BENGAL 
9903990230

arpanathakur1995@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IPGME&R Research Oversight Commitee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: V00-Y99||External causes of morbidity,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Diclofenac patch   Application of diclofenac patch(100mg) 60 mins prior to venous cannulation  
Intervention  Lignocaine patch   Lignocaine patch application 60 mins prior to venous cannulation  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  adult patients aged 18-65 years, of ASA class 1-3, undergoing elective surgery in general surgery and allied surgeries requiring intravenous cannula insertion for their anaesthesia care. 
 
ExclusionCriteria 
Details  1.inability to consent
2. known coagulopathy
3.mental retardation or inability to understand VAS or 4-point visual analogue scale
4. history of allergy to drugs
5. patients with skin conditions, infections or dermatological disorders 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
to compare the pain scores between the two groups assessed just after venous cannulation using visual analogue scale   At the time of cannula insertion using Visual Analogue Scale which is explained to patient beforehand 
 
Secondary Outcome  
Outcome  TimePoints 
to assess & compare the pain on injecting propofol between the two groups on a four point verbal scale  At the time of induction of general anaesthesia after intermittently injecting 2ml or 20mg propofol  
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
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)   20/03/2026 
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="2"
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   Insertion of venous cannula is a routine procedure in operating room that is often performed without any anaesthesia. Pain on insertion of venous cannula can be considered as t5he first negative experience related with hospital care and this can instill a sense ofr mistrust among patients regarding the empathy of care provider. existing literature suggests both lignocaine patch and diclofenac patch have not been compared in a single study to examine the effects of these pharmacological agents in attenuating the pain of venous cannula insertion. 
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