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CTRI Number  CTRI/2025/07/090252 [Registered on: 07/07/2025] Trial Registered Prospectively
Last Modified On: 04/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparison Of Postoperative analgesia with Block And Pre-incisional Port Site Local Infiltration In Laparoscopic Cholecystectomy 
Scientific Title of Study   Comparison Between Ultrasound Guided Bilateral External Oblique Intercostal Plane Block And Pre-incisional Port Site Local Infiltration For Postoperative Analgesia in 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  Gandev J Chaudhari 
Designation  Junior Resident 
Affiliation  Government Medical College Baroda 
Address  Department of anaesthesiology Government Medical college Baroda

Vadodara
GUJARAT
390001
India 
Phone  8758388805  
Fax    
Email  bhagatgandev@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DR Nimisha Brahmbhatt 
Designation  Professor and HG 
Affiliation  Government Medical College Baroda 
Address  Department of anaesthesiology Government Medical college Baroda

Vadodara
GUJARAT
39001
India 
Phone  9428764477  
Fax    
Email  nimishabrahmbhatt7@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DR Nimisha Brahmbhatt 
Designation  Professor and HG 
Affiliation  Government Medical College Baroda 
Address  Department of anaesthesiology Government Medical college Baroda

Vadodara
GUJARAT
39001
India 
Phone  9428764477  
Fax    
Email  nimishabrahmbhatt7@gmail.com  
 
Source of Monetary or Material Support  
Department Of Anaesthesiology Government Medical College Baroda,Gujarat,India-390001 
 
Primary Sponsor  
Name  Government Medical College Baroda 
Address  Department Of Anaesthesiology Government Medical College Baroda,Gujarat,India-390001 
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 
DrGandev J Chaudhari  Government Medical Collee Baroda  2nd floor,General surgery operation theatre,Department of surgery,Government.Medical College,Baroda,Gujarat,india-390001 Government Medical College Baroda
Vadodara
GUJARAT 
8758388805

bhagatgandev@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Commitee For Biomedical And Health Research Government Medical College Baroda  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K800||Calculus of gallbladder with acutecholecystitis, (2) ICD-10 Condition: K801||Calculus of gallbladder with othercholecystitis, (3) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Comparison between ultrasound guided bilateral external oblique intercostal plane block and pre-incisional port site local infiltration for post-operative analgesia in adult patients undergoing laparoscopic cholecystectomy  After the patient intubation 5ml of 0.25% bupivacaine will be injected at every port (epigastric port, umbilical port, and for both working ports) in various tissue planes (skin, subdermal, subfascial, and peritoneal) under direct visualization of incision site by operating surgeon. Comparison of Postoperative analgesic effect will be assess till 24hours.  
Intervention  Comparison between ultrasound guided bilateral external oblique intercostal plane block and pre-incisional port site local infiltration for post-operative analgesia in adult patients undergoing laparoscopic cholecystectomy  Block will be given after general anaesthesia. The patient is placed in the supine position. After induction of anaesthesia, skin is cleaned with 5% Povidone Iodine solution and then draping is done, under all aseptic and antiseptic precaution, a linear ultrasound transducer will be placed medial to anterior axillary line at the level of sixth rib. The location of sixth rib will be identified by counting down approach from the second rib or by placing transducer at the level of the xiphoid process, which corresponding to sixth rib. The ecoplex needle will be inserted using out plane technique. After piercing skin needle will be advanced through skin from cephalad to caudad direction, the fascial plane between the external oblique muscle and intercostal muscle will be identified and needle tip position will be confirmed by hydrodissection with 1.0ml sterile water. Following a negative aspiration 20ml 0.25% bupivacaine local will be injected at plane between external oblique intercostal muscle above and sixth rib below. The identical method will be followed on the opposite side. Total 40ml drug will be given on bilateral site. Comparison of Postoperative analgesic effect will be assess till 24hours.  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Age 18-65 years
ASA Grade One And TWO
patient schedule for elective laparoscopic cholecystectomy
patient able to give verbal and informed consent
patient able to understand VAS regarding assessment of pain
 
 
ExclusionCriteria 
Details  Refusal of patient
History of allergy to local anaesthetic drug
Skin infection at puncture site
Coagulation disorders
Cardio pulmonary/hepatorenal disease
Pregnancy


 
 
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 
Time to assess first rescue analgesia (Inj. Tramadol in 2mg/kg)
Time interval from block performance to requirement of first rescue analgesia.


Time interval from block performance to requirement of first rescue analgesia.


 
Till 24 hours


 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate post operative analgesia using visual analogue scale (VAS) measured at 0,1,2,4,6,8,12,18,24 hours at rest and on movement
Intra-operative dexmedetomidine requirement
Post-operative total requirement of analgesic drugs in 24 hours
To assess hemodynamic parameter
To assess patient satisfaction score (Likert scale)
complications related to block

 
Till 24 hours 
 
Target Sample Size   Total Sample Size="124"
Sample Size from India="124" 
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 4 
Date of First Enrollment (India)   18/07/2025 
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 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  
 The Purpose of this study is to compare post-operative analgesia after Bilateral External Oblique Intercostal Plane Block and Pre-incisional port site local infiltration, postoperative total requirenment of analgesic drugs, assess hemodynamic parameter, early recovery in adult patients undergoing laparoscopic cholecystectomy.

The patients will be randomly allocated into two groups by using computerised randomisation in a 1:1 ratio to undergo bilateral ultrasound guided external oblique intercostal plain block and pre-incisional port-site instillation of local anaesthetics.

In group B, patient will be given bilateral ultrasound guided external oblique intercostal plane block after giving general anaesthesia.

 In group L, patient will be given pre-incisional port-site local infiltration after giving general anaesthesia.
This study may superior in post operative analgesia with higher safety margin in patients laparoscopic cholecystectomy with ultrasound guided bilateral external oblique intercostal plane block as a part of multimodal analgesia.

 
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