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CTRI Number  CTRI/2025/09/094352 [Registered on: 08/09/2025] Trial Registered Prospectively
Last Modified On: 05/09/2025
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   Early versus delayed gall stone removal surgery in moderately severe and severe pancreatitis cases 
Scientific Title of Study   Early Versus Delayed Laparoscopic Cholecystectomy in Moderately Severe and Severe Acute Biliary Pancreatitis : A Randomised Controlled Trial 
Trial Acronym  NILL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Priti Ranjan Rout 
Designation  Junior Resident 
Affiliation  ALL INDIA INSTITUTE OF MEDICAL SCIENCES, NEW DELHI 
Address  Room No - 715, Hostel No. 18, AIIMS New Delhi

South
DELHI
110029
India 
Phone  8917397596  
Fax    
Email  pritiranjanrout123@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Rajinder Parshad 
Designation  Professor 
Affiliation  ALL INDIA INSTITUTE OF MEDICAL SCIENCES, NEW DELHI 
Address  Room No 419, Department of Surgical Disciplines, Surgery Block All India Institute of Medical Sciences, New Delhi

South
DELHI
110029
India 
Phone  9868397715  
Fax    
Email  rajinderparshad@aiims.edu  
 
Details of Contact Person
Public Query
 
Name  Dr Rajinder Parshad 
Designation  Professor 
Affiliation  ALL INDIA INSTITUTE OF MEDICAL SCIENCES, NEW DELHI 
Address  Room No. 419, Surgery block, Department of Surgical Disciplines, New Delhi

South
DELHI
110029
India 
Phone  9868397715  
Fax    
Email  rajinderparshad@aiims.edu  
 
Source of Monetary or Material Support  
AIIMS NEW DELHI, Ansari Nagar, South Delhi, PIN 110029 
 
Primary Sponsor  
Name  Priti Ranjan Rout 
Address  AIIMS NEW DELHI, Ansari Nagar, South Delhi, Delhi, 110029 
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 
Priti Ranjan Rout  AIIMS NEW DELHI  ANSARI NAGAR, South Delhi, 110029
South
DELHI 
8917397596

pritiranjanrout123@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTE ETHICS COMMITTEE FOR POST GRADUATE RESEARCH, AIIMS NEW DELHI  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K851||Biliary acute pancreatitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Delayed Cholecystectomy  Cholecystectomy after 6 to 8 weeks of resolution of Severe and Modertaely Severe Acute Pancreatitis episode 
Intervention  Early Cholecystectomy  Early Laparoscopic Cholecystectomy immediately after the resolution of Severe and Moderately Severe acute pancreatitis episode 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  1. Moderately severe and Severe Acute biliary pancreatitis as per revised atlanta classification
2. Fit for surgery as per anaesthesia and absence of large collection in right upper quadrant of abdomen 
 
ExclusionCriteria 
Details  1. Prior history of hepatobiliary surgery
2. ASA III or more
3. Significant comorbidity - CKD, Congestive heart failure or decompensated cirrhosis
4. Pregnancy
5. Refusal to give consent 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Recurrence of Acute Pancreatitis/ new onset Acute Cholecystitis/ Cholangitis or any other pancreatico biliary event requiring invasive intervention  from date of randomisation to 1week, 3 week and 3 months after surgery  
 
Secondary Outcome  
Outcome  TimePoints 
Minor surgical complication according to clavien dindo classification & comprehensive complication index  Day of surgery to 1week, 3 week & 3 months postoperative period  
Need for drainage procedure of peripancreatic fluid collection prior to surgery  From randomisation to date of surgery  
total operating time  skin incision to skin closure 
Post operative hospital stay  From day of surgery to 3 months  
Need for readmission or intervention  From randomisation to 3 months  
Difficulty of the procedure as assessed by the surgeon  Intraoperative  
 
Target Sample Size   Total Sample Size="118"
Sample Size from India="118" 
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   N/A 
Date of First Enrollment (India)   20/09/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  20/09/2025 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="1"
Months="3"
Days="0" 
Recruitment Status of Trial (Global)   Open to Recruitment 
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
    Response -  Statistical Analysis Plan
    Response - Informed Consent Form
    Response - Clinical Study Report
    Response -  Analytic Code

  3. Who will be able to view these files?
    Response - Anyone

  4. For what types of analyses will this data be available?
    Response - Any purpose.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [pritiranjanrout123@gmail.com].

  6. For how long will this data be available start date provided 15-08-2025 and end date provided 31-12-2026?
    Response - Immediately following publication. No end date.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - nil
Brief Summary   The aim of the trial is to compare early ( same admission ) vs delayed ( after 6-8 weeks ) laparoscopic cholesystectomy in patients of moderately severe and severe acute biliary pancreatitis in terms of interim major pancreaticobiliary events and major surgical outcomes 
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