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CTRI Number  CTRI/2025/09/095026 [Registered on: 18/09/2025] Trial Registered Prospectively
Last Modified On: 17/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparison of Two ultrasound guided Nerve Block Techniques for pain relief after Laparoscopic Gallbladder removal surgery. 
Scientific Title of Study   Comparison of ultrasound guided Modified Thoraco-Abdominal nerve block through Perichondrial Approach(M-TAPA) with ultrasound guided Subcostal Transversus Abdominis Plane(TAP) block for postoperative analgesia in patients undergoing laparoscopic cholecystectomy. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  JYOTI KUMARI 
Designation  Post Graduate Student 
Affiliation  ABVIMS and Dr Ram Manohar Lohia Hospital 
Address  Room no-301, third floor Department of Anaesthesia, ABVIMS and Dr RML Hospital New Delhi

New Delhi
DELHI
110001
India 
Phone  7665603056  
Fax    
Email  drjyoti0706@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr NAMITA ARORA 
Designation  Professor 
Affiliation  ABVIMS and Dr Ram Manohar Lohia Hospital 
Address  Room no-301, third floor Department of Anaesthesia, ABVIMS and Dr RML Hospital New Delhi

New Delhi
DELHI
110001
India 
Phone  9868219619  
Fax    
Email  drnamitaarora@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr NAMITA ARORA 
Designation  Professor 
Affiliation  ABVIMS and Dr Ram Manohar Lohia Hospital 
Address  Room no-301, third floor Department of Anaesthesia, ABVIMS and Dr RML Hospital New Delhi

New Delhi
DELHI
110001
India 
Phone  9868219619  
Fax    
Email  drnamitaarora@gmail.com  
 
Source of Monetary or Material Support  
ABVIMS and Dr Ram Manohar Lohia Hospital, Baba Kharak Singh Mark, New Gurudwara Bangla Sahib, Connaught Place, New Delhi, 110001 New Delhi 
 
Primary Sponsor  
Name  Atal Bihari Vajpayee Institute of Medical Sciences and Dr Ram Manohar Lohia Hospital 
Address  Room no-301, third floor, Department of Anaesthesia, ABVIMS and Dr Ram Manohar Lohia Hospital, New Delhi 110001 
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 Jyoti Kumari  ABVIMS and Dr Ram Manohar Lohia Hospital, New Delhi  Room no-301, third floor Department of Anaesthesia, ABVIMS and Dr RML Hospital New Delhi
New Delhi
DELHI 
7665603056

drjyoti0706@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee ABVIMS and Dr RML Hospital   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K806||Calculus of gallbladder and bile duct with cholecystitis, (2) ICD-10 Condition: K800||Calculus of gallbladder with acutecholecystitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Analgesic effect of two different Nerve Blocks  Difference between postoperative analgesic effects of two different nerve blocks in patients undergoing laparoscopic cholecystectomy. 
Intervention  Ultrasound guided Nerve Blocks  Comparison of ultrasound guided Modified Thoraco-abdominal Nerve Block through Perichondrial approach(M-TAPA) with ultrasound guided Subcostal Transversus Abdominis Plane (TAP) block for postoperative analgesia in patients undergoing laparoscopic cholecystectomy. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1.Age 18-65 years
2.Patients of ASA status I and II
3.Patients undergoing Laparoscopic cholecystectomy under general anesthesia.
 
 
ExclusionCriteria 
Details  1.Patients allergic to local anaesthetics
2.Pre-existing coagulation disorders
3.Pregnancy
4.BMI greater than 35 kg/m2
5.Previous history of abdominal surgery or trauma

 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Total dose of Tramadol consumed (mg) in first 24hours.  24hours. 
 
Secondary Outcome  
Outcome  TimePoints 
-Time to demand the rescue analgesic (TRAMADOL) in hours.
-NRS Score at rest and coughing at 0,1,3,6,12 and 24. 
0,1,3,6,12 and 24 hours 
 
Target Sample Size   Total Sample Size="40"
Sample Size from India="40" 
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)   30/09/2025 
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="5"
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   This randomized controlled study aims to compare the efficacy of two regional anesthesia techniques—M-TAPA and subcostal TAP block—in providing postoperative analgesia for patients undergoing laparoscopic cholecystectomy under general anesthesia. While subcostal TAP block is an established technique targeting the T6–T9 dermatomes, its effect on visceral pain is limited. The novel M-TAPA block is believed to provide a broader somatic and potentially visceral blockade (T5–T12) by depositing local anesthetic under the perichondrium of the costal cartilage. The study will evaluate total tramadol consumption in the first 24 hours postoperatively as the primary outcome. Secondary outcomes include pain scores (NRS), time to first rescue analgesic, time taken to perform the blocks, and block-related complications. 
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