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CTRI Number  CTRI/2026/04/107527 [Registered on: 02/04/2026] Trial Registered Prospectively
Last Modified On: 30/03/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Precision Pain Management vs. Routine Care in Laparoscopic Gallbladder Surgery 
Scientific Title of Study   Efficacy Of Surgical Plethysmographic Index-guided Analgesia Versus Conventional Analgesia Technique In Laparoscopic Cholecystectomy Using Remifentanil 
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 Naresh Dua 
Designation  Senior Consultant 
Affiliation  Sir Ganga Ram Hospital 
Address  Room No 10, 5th Floor, Institute of Anaesthesiology, Pain & Perioperative Medicine, SGRH,Old Rajinder Nagar

New Delhi
DELHI
110060
India 
Phone  9313097996  
Fax    
Email  ndua17@yahoo.co.in  
 
Details of Contact Person
Scientific Query
 
Name  Dr Naresh Dua 
Designation  Senior Consultant 
Affiliation  Sir Ganga Ram Hospital 
Address  Room No 10, 5th Floor, Institute of Anaesthesiology, Pain & Perioperative Medicine, SGRH,Old Rajinder Nagar

New Delhi
DELHI
110060
India 
Phone  9313097996  
Fax    
Email  ndua17@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Dr Srishti 
Designation  DNB Trainee 
Affiliation  Sir Ganga Ram Hospital  
Address  Room No 10, 5th Floor, Institute of Anaesthesiology, Pain & Perioperative Medicine, SGRH,Old Rajinder Nagar

New Delhi
DELHI
110060
India 
Phone  9334102689  
Fax    
Email  srishtidoc09@gmail.com  
 
Source of Monetary or Material Support  
nil 
 
Primary Sponsor  
Name  Sir Ganga Ram Hospital 
Address  SGRH,Old Rajinder Nagar, New Delhi- 110060 
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 Naresh Dua  Sir Ganga Ram Hospital  OT 5, 6th floor SSRB building, SGRH, Old Rajinder Nagar
New Delhi
DELHI 
9313097996

ndua17@yahoo.co.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Ethics Committee Sir Ganga Ram Hospital  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  conventional remifentanil analgesia  Intraoperative remifentanil infusion titrated according to standard clinical parameters including heart rate and mean arterial pressure under standardized general anesthesia protocol 
Intervention  Surgical plethysmographic index guided analgesia  Intraoperative remifentanil infusion titrated according to Surgical plethysmographic index monitoring to maintain SPI within target range during laparoscopic cholecystectomy  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Both males and females, aged 18-65 years
ASA physical classification I to II 
 
ExclusionCriteria 
Details  Known uncontrolled cardiovascular disease (e.g., hypertension, systolic and diastolic dysfunction)
Liver function abnormality (liver enzymes more than 2 times the normal range)
Kidney function abnormality (serum creatinine more than 1.4 mg/dl)
Known psychiatric or neurological disorder
Known uncontrolled endocrine disorder (diabetes mellitus, hypothyroidism)
Known allergy or hypersensitivity to the study drug
Recent intake of sedative medication or anti-psychotic medication
Substance abuse
Anticipated need for postoperative ventilation
Refusal to informed 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 
Intraoperative Remifentanil Consumption   from induction of anaesthesia to competion of surgery  
 
Secondary Outcome  
Outcome  TimePoints 
1. Postoperative pain (10-point NRS) during the first 24-hrs postoperative period

2. Postoperative nausea and vomiting (3-point PONV score) during the first 24-hrs postoperative period

3. Intraoperative haemodynamic instability (bradycardia/ tachycardia/ hypotension/ hypertension)
 
immediately after shifting to recovery, 6 hours and 24 hours after recovery 
 
Target Sample Size   Total Sample Size="184"
Sample Size from India="184" 
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)   15/04/2026 
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="2"
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   Study comparing surgical plethysmographic index guided analgesia with conventional analgesia technique using remifentanil in patients undergoing laparoscopic cholecystectomy. The aim of the study is to evaluate whether intraoperative analgesia guided by surgical plethysmographic index provides better hemodynamic stability and optimized opioid consumption compared to conventional analgesia technique. A total of 184 adult patients will be randomly allocated into two groups. One group will receive analgesia guided by surgical plethysmographic index and the other group will receive conventional analgesia based on standard clinical parameters. Intraoperative hemodynamic variables, total opioid consumption and postoperative pain scores will be assessed and compared between the two groups 
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