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CTRI Number  CTRI/2024/09/073674 [Registered on: 09/09/2024] Trial Registered Prospectively
Last Modified On: 06/09/2024
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparision of prevalence of phantom limb pain following amputation of lower limb under subarachnoid block versus peripheral nerve blocks 
Scientific Title of Study   Comparative study of prevalence of phantom limb pain following amputation of lower limb under Subarachnoid block Versus Peripheral nerve blocks-A Prospective Randomised 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 JYOTHI PRABHANDA 
Designation  MBBS,Post graduation(MD) Anaesthesiology and critical care medicine 
Affiliation  SRI VENKATESWARA INSTITUTE OF MEDICAL SCIENCES  
Address  DEPARTMENT OF ANAESTHESIOLOGY,SVIMS,ALIPIRI,TIRUPATI,CHITTOOR,ANDHRA PRADESH,517507,INDIA

Chittoor
ANDHRA PRADESH
517507
India 
Phone  6301550243  
Fax    
Email  prabhanda47@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr ALOKA SAMANTARAY 
Designation  PROFESSOR AND HOD,DEPARTMENT OF ANAESTHESIOLOGY AND CRITICAL CARE MEDICINE,SVIMS 
Affiliation  SRI VENKATESWARA INSTITUTE OF MEDICAL SCIENCES  
Address  Department of Anaesthesiology, SVIMS,Alipri,Tirupati,Chittoor, Andhra Pradesh,517507

Chittoor
ANDHRA PRADESH
517507
India 
Phone  9493547653  
Fax    
Email  aloksvims@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr ALOKA SAMANTARAY 
Designation  PROFESSOR AND HOD,DEPARTMENT OF ANAESTHESIOLOGY AND CRITICAL CARE MEDICINE,SVIMS 
Affiliation  SRI VENKATESWARA INSTITUTE OF MEDICAL SCIENCES  
Address  Department of Anaesthesiology, SVIMS,Alipri,Tirupati,Chittoor, Andhra Pradesh,517507

Chittoor
ANDHRA PRADESH
517507
India 
Phone  9493547653  
Fax    
Email  aloksvims@gmail.com  
 
Source of Monetary or Material Support  
SRI VENKATESWARA INSTITUTE OF MEDICAL SCIENCES ALIPIRI ROAD,TIRUPATI,CHITTOOR,ANDHRA PRADESH,517507,INDIA 
 
Primary Sponsor  
Name  NIL 
Address  NIL 
Type of Sponsor  Other [NIL] 
 
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 PRABHANDA  SRI VENKATESWARA INSTITUTE OF MEDICAL SCIENCES(SVIMS)  DEPARTMENT OF ANAESTHESIOLOGY AND CRITICAL CARE MEDICINE ,SVIMS,ALIPIRI ROAD,TIRUPATI,CHITTOOR,ANDHRA PRADESH,517501,INDIA
Chittoor
ANDHRA PRADESH 
6301550243

prabhanda47@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTEE OF SRI VENKATESWARA INSTITUTE OF MEDICAL SCIENCES   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Peripheral Nerve Block  0.5% Bupivacaine 20 ml+2% Xylocaine 7 ml+Dexmedetomidine 1 microgram/kg+Normal Saline(0.9%) to make a total volume of 30 ml 
Comparator Agent  Subarachnoid Block   Inj.hyperbaric Bupivacaine(0.5%) 3 ml+Dexmedetomidine 5 micrograms given Intrathecally 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1.Patients aged above or equal to 18 years who are undergoing lower limb amputation
2.Patients of either gender
3.Patients belonging to Anerican Society of Anesthesiologists Physical status(ASA PS)-I,II,III 
 
ExclusionCriteria 
Details  1.Patients who are not willing to parcipate in the study
2.Preganant and lactating women
3.Patients who have local infection at the site of injection
4.Patients who are allergic to local anesthetics
5.Patients who cannot undersatnd NRS 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
To assess the prevalence of phantom limb pain using Numerical Rating Scale(NRS)   Pain is assesed post operatively using Numerical Rating Scale(NRS) at 6 hours,at 24 hours, 48 hours,72 hours,at the time of discharge,1st month,2nd month and 3rd month 
 
Secondary Outcome  
Outcome  TimePoints 
1.To study the severity of phantom limb pain on Numerical Rating Scale
2.To study characteristics of phantom limb pain like-shooting,burning,cramping sensations 
To assess severity of phantom limb pain on Numerical Rating Scale(NRS) at 6 hours,at 24 hours,48 hours,72 hours, at the time of discharge,at 1st month,2nd month & 3rd month 
 
Target Sample Size   Total Sample Size="74"
Sample Size from India="74" 
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)   24/09/2024 
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="1"
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 - YES
  1. What data in particular will be shared?
    Response - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response -  Statistical Analysis Plan
    Response - Informed Consent Form
    Response - Clinical Study Report

  3. Who will be able to view these files?
    Response - Researchers whose proposed use of the data has been approved by an independent review committee identified for this purpose.

  4. For what types of analyses will this data be available?
    Response - For individual participant data meta-analysis.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [prabhanda47@gmail.com].

  6. For how long will this data be available start date provided 01-08-2025 and end date provided 01-08-2030?
    Response - Beginning 9 months and ending 36 months following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary   Phantom limb pain is a chronic pain where the pain develops or perceived in a body part that has been amputated.Some studies shows that phantom limb pain occurs within first week of amputation and some studies shows that phantom limb pain occurs within  first 3 months.
Several anesthestic techniques have been used for the amputation of deceased limb to prevent the incidence of phantom limb pain.Various studies suggest that with central and peripheral nerve blocks there is decrease in the central sensitization which led to the decrease in chronic pain by a reduction in repetitive stimulation of severed nerve roots .
This study will be done to compare the subarachnoid block and peripheral nerve blocks for lower limb amputation with an aim to evaluate the prevalence of phantom limb pain.  
 
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