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CTRI Number  CTRI/2025/07/090553 [Registered on: 09/07/2025] Trial Registered Prospectively
Last Modified On: 23/01/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   comparision of fentanyl versus dexmedetomidine in addition to ropivacaine in TAP block in laparoscopic cholecystectomy for post operative pain relief 
Scientific Title of Study   Evaluation of fentanyl vs dexmedetomidine as adjuvant with ropivacaine in USG guided transversus abdominis plane block for laparoscopic cholecystectomy on post operative analgesia a comparative 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 Lakshmi Mahajan 
Designation  Professor 
Affiliation  Sri Gur Ram Das Institute of Medical Sciences and Research, Mehta Road, Vallah, Amritsar 
Address  Department of Anaesthesia, Sri Guru Ram Das Institute of Medical Sciences and Research

Amritsar
PUNJAB
143001
India 
Phone  9855286122  
Fax    
Email  drlakshmimahajan@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Navjot Singh Brar 
Designation  Professor 
Affiliation  Sri Guru Ram Das Institute of Medical Sciences and Research 
Address  Department of General Sugery, Sri Guru Ram Das Institute of Medical Sciences and Research

Amritsar
PUNJAB
143001
India 
Phone  9872674396  
Fax    
Email  drnavjotbrar@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Jaspinder Kaur 
Designation  Junior Resident 
Affiliation  Sri Guru Ram Das Institute of Medical Sciences and Research 
Address  Department of Anaesthesia, Sri Guru Ram Das Institute of Medical Sciences and Research

Amritsar
PUNJAB
143001
India 
Phone  8283830917  
Fax    
Email  dosanjh220794@gmail.com  
 
Source of Monetary or Material Support  
Sri Gur Ram Das Institute of Medical Sciences and Research, Mehta Road, Vallah, Amritsar, 143001 
 
Primary Sponsor  
Name  SGRD 
Address  Sri Gur Ram Das Institute of Medical Sciences and Research, Mehta Road, Vallah, Amritsar,143001 
Type of Sponsor  Research institution and hospital 
 
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 RUCHI GUPTA  SGRD  OT 2 and 3, Department of Anaesthesia, Sri Guru Ram Das Institute of Medical Sciences and Research, Amritsar, 143001
Amritsar
PUNJAB 
09814320805

drruchisgrd@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
SGRD Ethical  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 
Comparator Agent  Postoperative pain  Group A will receive 20 ml of ropivacaine 0.2% plus 1 mcg per kg of fentanyl will be diluted to 25 ml with 0.9% NS.  
Comparator Agent  Postoperative Pain  Group B will receive 20 ml of ropivacaine 0.2% plus 1 mcg per kg of Dexmedetomidine will be diluted to 25ml with 0.9% NS.  
Comparator Agent  Postoperative pain  Group C will receive 20 ml ropivacaine 0.2% will be diluted to 25 ml with 0.9% NS. 
Intervention  Ultrasound guided transversus abdominis plane block  Immediately after induction Ultrasound guided subcostal transverse abdominis plane (TAP) block will be given. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. ASA physical status I and II. 
 
ExclusionCriteria 
Details  1. Acute cholecystitis.
2. Carcinoma Gall bladder
3. Hypersensitivity to study drugs
4. Pregnant females
5. Bleeding disorders
6. Opioid addicts.
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Duration of analgesia by both the drugs when used as adjuvants to
Ropivacaine given through sub coastal TAP block using VAS. 
at
0, 2, 4, 6, 12, and 24hrs after surgery.
 
 
Secondary Outcome  
Outcome  TimePoints 
Side effects like hypotension, bradycardia, postoperative nausea
vomiting, respiratory depression or any other complication arising during the study will
be assessed. 
till 24 hrs of surgery 
 
Target Sample Size   Total Sample Size="108"
Sample Size from India="108" 
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 2/ Phase 3 
Date of First Enrollment (India)   01/08/2025 
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="6"
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   Introduction:Postoperative pain management is crucial for enhancing patient recovery and reducing hospital stays. The Transversus Abdominis Plane (TAP) block, guided by ultrasound, is a popular regional anesthesia technique for abdominal surgeries. Ropivacaine, a long-acting local anesthetic, is commonly used in TAP blocks. However, the addition of adjuvant analgesics such as Fentanyl and Dexmedetomidine may further enhance pain relief. Aims and Objectives: This study aims to compare the analgesic efficacy of Fentanyl and Dexmedetomidine as adjuvants to Ropivacaine in patients undergoing abdominal surgery with an ultrasound-guided TAP block. Methodology:A randomized, double-blind, controlled trial will be conducted with patients scheduled for elective abdominal surgery. Participants will be randomly assigned to three groups: Group R (Ropivacaine alone), Group RF (Ropivacaine with Fentanyl), and Group RD (Ropivacaine with Dexmedetomidine). All patients will receive an ultrasound-guided TAP block. Primary outcomes will include pain scores at rest and during movement, assessed at 1, 4, 8, 12, and 24 hours postoperatively using a Visual Analog Scale (VAS). Secondary outcomes will include total opioid consumption in the first 24 hours postoperatively, incidence of side effects, and patient satisfaction scores. Outcome/Significance:This study will provide valuable insights into optimizing postoperative pain management protocols for abdominal surgery. If successful, the findings could support the use of Dexmedetomidine as a preferred adjuvant to Ropivacaine in TAP blocks, improving patient outcomes and enhancing recovery. 
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