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CTRI Number  CTRI/2025/11/096954 [Registered on: 06/11/2025] Trial Registered Prospectively
Last Modified On: 04/11/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparing pain relief of drugs like Dexmedetomidine vs Buprenorphine vs Dexamethasone in patients undergoing abdominal surgeries 
Scientific Title of Study   A double blinded randomized controlled study comparing analgesic efficacy of Dexmedetomidine versus Buprenorphine versus Dexamethasone as an adjuvant to Bupivacaine in ultrasound guided combined tranversus abdominis plane block and rectus sheath block for postoperative pain relief in patients undergoing abdominal surgeries 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
Nil  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Manfred Francis Cardozo  
Designation  Junior resident Department of Anaesthesiology 
Affiliation  Seth V.C Gandhi and M.A Vora Municipal General Hospital  
Address  RMO QUARTERS, ROOM NO 706, SETH V. C. GANDHI and M. A. VORA MUNICIPAL GENERAL HOSPITAL (RAJAWADI HOSPITAL), NEAR POST OFFICE, GHATKOPAR EAST MUMBAI, Maharashtra-400077

Mumbai
MAHARASHTRA
400077
India 
Phone  9518700716  
Fax    
Email  manfredcvoss@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Reena Nebu 
Designation  Head of Department, Department of Anaesthesiology 
Affiliation  Seth V.C Gandhi and M.A Vora Municipal General Hospital  
Address  DEPARTMENT OF ANAESTHESIOLOGY, SETH V. C. GANDHI and M. A. VORA MUNICIPAL GENERAL HOSPITAL (RAJAWADI HOSPITAL), NEAR POST OFFICE, GHATKOPAR EAST MUMBAI, Maharashtra-400077

Mumbai
MAHARASHTRA
400077
India 
Phone  9820024211  
Fax    
Email  reenanebu@rediff.com  
 
Details of Contact Person
Public Query
 
Name  Manfred Francis Cardozo  
Designation  Junior resident Department of Anaesthesiology 
Affiliation  Seth V.C Gandhi and M.A Vora Municipal General Hospital  
Address  RMO QUARTERS, ROOM NO 706, SETH V. C. GANDHI and M. A. VORA MUNICIPAL GENERAL HOSPITAL (RAJAWADI HOSPITAL), NEAR POST OFFICE, GHATKOPAR EAST MUMBAI, Maharashtra-400077

Mumbai
MAHARASHTRA
400077
India 
Phone  9518700716  
Fax    
Email  manfredcvoss@gmail.com  
 
Source of Monetary or Material Support  
INFRASTRUCTURAL SUPPORT- Seth V.C Gandhi and M.A Vora Municipal General Hospital,Near Post Office, Ghatkopar East Mumbai Maharashtra, 400077 
 
Primary Sponsor  
Name  DrManfred Francis Cardozo  
Address  Seth V.C Gandhi and M.A Vora Municipal General Hospital  
Type of Sponsor  Other [Self] 
 
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 Manfred Francis Cardozo   Main operation theatre and wards of Seth V.C Gandhi and M.A Vora Municipal General Hospital   SETH V. C. GANDHI and M. A. VORA MUNICIPAL GENERAL HOSPITAL (RAJAWADI HOSPITAL), NEAR POST OFFICE, GHATKOPAR EAST MUMBAI, Maharashtra-400077
Mumbai
MAHARASHTRA 
9518700716

manfredcvoss@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
HBT MEDICAL COLLEGE AND DR RN COOPER INSTITUTIONAL ETHICS COMMITTEE   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K819||Cholecystitis, unspecified, (2) ICD-10 Condition: N858||Other specified noninflammatory disorders of uterus, (3) ICD-10 Condition: K429||Umbilical hernia without obstruction or gangrene,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Group A  Dexmedetomidine + 0.125% Bupivacaine Using 1 microgam/kilogram of dexmedetomidine as an adjuvant to 0.125% concentration local bupivacaine in given combined ultrasound guided transversus abdominis plane block plus rectus sheath block 
Comparator Agent  Group B  Buprenorphine + 0.125% Bupivacaine Using 3 microgam/kilogram of buprenorphine as an adjuvant to 0.125% concentration local bupivacaine in given combined ultrasound guided transversus abdominis plane block plus rectus sheath block 
Comparator Agent  Group C  Dexamethasone + 0.125% Bupivacaine Using 0.08 milligam/kilogram of dexamethasone as an adjuvant to 0.125% concentration local bupivacaine in given combined ultrasound guided transversus abdominis plane block plus rectus sheath block 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  ASA GRADE 1 and 2 patients.
Patients undergoing elective abdominal surgeries.
Patients giving written informed consent. 
 
ExclusionCriteria 
Details  Age less than 18 years, Age greater than 65 years.
No genders are excluded.
Patient refusal to participate in the study.
Any contraindication to regional anaesthesia.
Patients with neurological or psychiatric problems.
Patient allergic to study drugs.
Patients with uncontrolled hypertension or bradycardia.
Patients on chronic opioid therapy and other pain medications.
ASA GRADES 3 and above. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare the postoperative analgesic efficacy of dexmedetomidine versus buprenorphine versus dexamethasone in combined transversus abdominis plane block and rectus sheath block in abdominal surgeries in providing postoperative analgesia as measured by visual analogue scale and numeric rating scale at specific time intervals.  30 minutes
2 hours
4 hours
6 hours
10 hours
16 hours
24 hours 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate duration of analgesia in hours provided by each drug by assessing the time until the first dose of rescue analgesic is required postoperatively.   30 MINUTES
2 HOURS
4 HOURS
6 HOURS
10 HOURS
16 HOURS
24 HOURS 
To compare the total amount of rescue analgesic administered in the first 24 hours post surgery among the 3 groups.  30 MINUTES
2 HOURS
4 HOURS
6 HOURS
10 HOURS
16 HOURS
24 HOURS 
To assess the incidence of postoperative complications  30 MINUTES
2 HOURS
4 HOURS
6 HOURS
10 HOURS
16 HOURS
24 HOURS 
 
Target Sample Size   Total Sample Size="87"
Sample Size from India="87" 
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)   15/11/2025 
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 - YES
  1. What data in particular will be shared?
    Response - All of the individual participant data collected during the trial, after de-identification.

  2. What additional supporting information will be shared?
    Response -  Study Protocol

  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 - To achieve aims in the approved proposal.

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

  6. For how long will this data be available start date provided 26-01-2029 and end date provided 26-01-2034?
    Response - Beginning 3 months and ending 5 years following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary  
The main objective of this study is to compare analgesic efficacy between dexmedetomidine, buprenorphine and dexamethasone in ultrasound guided transversus abdominis plane block and rectus sheath block in providing postoperatvie analgesia to patients. As per new guidelines it is recommended to include a mode of regional anaesthesia in providing pain relief to patients wherever possible.
No study has compared the 3 drugs as adjuvants. Some drugs provide a faster onset of pain relief, some drugs might start their action late but can last longer. Hence with this study we can conclude which drugs can be used for short term as well as long term pain relief.
 
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