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CTRI Number  CTRI/2025/08/092774 [Registered on: 11/08/2025] Trial Registered Prospectively
Last Modified On: 30/07/2025
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 pain after gall bladder removal surgery using standard keyhole method versus robotic method 
Scientific Title of Study   Comparison of Postoperative Pain Between Standard 4-Port Laparoscopic and Robotic Cholecystectomy: An Open-Label Randomised Controlled Trial 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Ankadala Anirudh Babu 
Designation  Junior Resident 
Affiliation  All India Institute of Medical Sciences 
Address  Room 311, 3rd floor, Unit 1, Department of Surgical Disciplines,Surgery Block All India Institute of Medical sciences, New Delhi 110029 India

New Delhi
DELHI
110029
India 
Phone  7978744671  
Fax    
Email  anirudhbabu853@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Yashwant Rathore 
Designation  Additional Professor 
Affiliation  All India Institute of Medical Sciences, Delhi 
Address  Room no 429, 4th Floor, Surgery Block Department of Surgical Disciplines, All India Institute of Medical sciences, New Delhi 110029 India

New Delhi
DELHI
110029
India 
Phone  9911337726  
Fax    
Email  dryashvant.r@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Yashwant Rathore 
Designation  Additional Professor 
Affiliation  All India Institute of Medical Sciences, Delhi 
Address  Room no 429, 4th Floor, Surgery Block Department of Surgical Disciplines, All India Institute of Medical sciences, New Delhi 110029 India

New Delhi
DELHI
110029
India 
Phone  9911337726  
Fax    
Email  dryashvant.r@gmail.com  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences, Ansari Nagar, Ansari Nagar East, New Delhi, Delhi, India PIN: 110029 
 
Primary Sponsor  
Name  All India Institute of Medical Sciences 
Address  All India Institute of Medical Sciences New Delhi, 110029 
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 Ankadala Anirudh Babu  All India Institute of Medical Sciences  Department of Surgical Disciplines Surgery Block All India Institute of Medical sciences, New Delhi 110029 India
New Delhi
DELHI 
7978744671

anirudhbabu853@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Committee for PG Research   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  laparoscopic cholecystectomy   Standard 4 port cholecystectomy will be performed which includes placement of a 12 mm camera port in the umbilicus, a 12 mm port in the epigastric region and two 5 mm ports on the right side of the abdomen. Specimen will be extracted via the epigastric port. The total duration of this procedure takes approximately 45mins to 90 mins depending on the intra operative findings. 
Comparator Agent  Robotic cholecystectomy  Robotic cholecystectomy- Standard 4 ports will be used. Three 8 mm robotic ports will be placed in the horizontal line at the level of the umbilicus approximately 8 cm away from each other. A 12 mm port will be placed at the right flank which will be utilised for specimen retrieval. The total duration of this procedure is approximately 60mins to 120 mins depending on the intra operative findings. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  1. ASA Grade 1,2 and 3
2. BMI below 35 kg/m2
3. Symptomatic Cholelithiasis planned for routine OT 
 
ExclusionCriteria 
Details  1. Acute cholycestitis and associated complications like Pyocelele, emphysematous or gangrenous cholecystitis
2. Emergency cholecystectomy
3. History of choledocholithiasis
4. Presence of umbilical hernia
5. History of upper abdominal surgery
6. Pregnant women
7. History of chronic analgesic medication intake
8. Known case of chronic kidney disease
9. Patients at high risk of bleeding
10. Unfit for general anesthesia
11. Refusal of consent for participation in study 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Other 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
To compare postoperative pain between standard 4 port laparoscopic cholecystectomy
and robotic cholecystectomy. 
On admission (baseline), 6 hours after
surgery, 24 hours after surgery, 7 days after surgery.  
 
Secondary Outcome  
Outcome  TimePoints 
To compare the operative time between standard 4 port laparoscopic cholecystectomy
and robotic cholecystectomy. 
Start of surgery to end of the surgery 
To compare the conversion rate from laparoscopic to open procedure in standard 4 port
laparoscopic cholecystectomy & robotic to laparoscopic/open procedure in robotic
cholecystectomy. 
At the end of the surgery 
To compare the overall complication rate in terms of bile duct injury, surgical site
infections(SSI), port site pain,port site hernia, port site sinus & re-admission rates
between standard 4 port laparoscopic cholecystectomy & robotic cholecystectomy. 
After 1 week 
 
Target Sample Size   Total Sample Size="126"
Sample Size from India="126" 
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)   21/08/2025 
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="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 - NO
Brief Summary   An open label randomised controlled trial comparing the post operative pain between the patients of symptomatic gall stone disease following standard 4 port laparoscopic cholecystectomy and robotic cholecystectomy. 
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