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CTRI Number  CTRI/2025/08/093180 [Registered on: 18/08/2025] Trial Registered Prospectively
Last Modified On: 14/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A Study Comparing Two Medicines, Tramadol and Tapentadol, Given Before Surgery to Reduce Pain After Gallbladder Removal 
Scientific Title of Study   Comparison of oral Tramadol and oral Tapentadol as pre-emptive analgesic on post operative analgesia in laparoscopic cholecystectomy under general anaesthesia  
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Manpreet Kaur 
Designation  Junior Resident 
Affiliation  GMCH, Sector 32, Chandigarh 
Address  Level 5, Block D, Department of Anaesthesia and Intensive care, GMCH, Chandigarh

Chandigarh
CHANDIGARH
160030
India 
Phone  07009802985  
Fax    
Email  minik401@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Manpreet Singh 
Designation  Professor 
Affiliation  GMCH, Sector 32, Chandigarh 
Address  Level 5, Block D, Department of Anaesthesia and Intensive Care, GMCH, Chandigarh

Chandigarh
CHANDIGARH
160030
India 
Phone  9646121503  
Fax    
Email  manpreetdawar@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Manpreet Kaur 
Designation  Junior Resident 
Affiliation  GMCH, Sector 32, Chandigarh 
Address  Level 5, Block D, Department of Anaesthesia and Intensive care, GMCH, Chandigarh

Chandigarh
CHANDIGARH
160030
India 
Phone  07009802985  
Fax    
Email  minik401@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesia and Intensive Care, Level 5, block D,Government Medical College and Hospital, sector-32 , Chandigarh 
 
Primary Sponsor  
Name  Government Medical College and Hospital 
Address  Department of Anaesthesia and Intensive Care,Level 5, Block D, GMCH, Chandigarh, Pincode 160030, India 
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 Manpreet Kaur  Government Medical College and Hospital  Level 5, Block D, Department of Anaesthesia and Intensive care, GMCH, Chandigarh
Chandigarh
CHANDIGARH 
7009802985

minik401@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee(GMCH, Chandigarh)  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K802||Calculus of gallbladder without cholecystitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Oral Tramadol   Oral Tramadol 100 mg, 1hr before surgery will be given pre emptively and compared with Oral Tapentadol over various timelines for post operative analgesia in laparoscopic cholecystectomy under general anaesthesia. The study will be terminated after 24 hr of surgery completion or when the rescue analgesics are administered to the patient. 
Comparator Agent  Oral Tapentadol  Oral Tapentadol 50 mg, 1 hr before surgery will be given pre emptively and compared with Oral Tramadol over various timelines for post operative analgesia in laparoscopic cholecystectomy under general anaesthesia. The study will be terminated after 24 hr of surgery completion or when the rescue analgesics are administered to the patient. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  1. ASA class I or II
2. Age: 18 to 70 years, either sex
3. Body mass index (BMI) of 18-35 kg/m2
4. Patients undergoing elective cholecystectomy under general anaesthesia 
 
ExclusionCriteria 
Details  1. Major co-existing medical illness (especially severe asthma/COPD, repeat hernia surgery,
epilepsy, uncontrolled hypertension or diabetes, liver or renal disease)
2. Patients with paralytic ileus, patients on antidepressants (to avoid risk of developing
serotonin syndrome)
3. Known hypersensitivity to any of the study medications
4. Patients that had conversion to open surgery after laparoscopic visualization.
5. Known opioid abusers and patients on opioid antagonist. 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
1. To assess and compare the post laparoscopic cholecystectomy analgesia after use of oral
Tramadol or oral Tapentadol preemptively before induction of anaesthesia. using Visual
Analogue Scale (0- 10).
2. To compare the adverse effects after use of oral Tramadol or oral Tapentadol
preemptively before induction of anaesthesia in patients of laparoscopic cholecystectomy.
3. Time of rescue analgesia administered 
After shifting to PACU for postoperative pain, sedation, nausea and vomiting at 0 hour, 2 hours, 6 hours and after 24 hours post-surgery.
 
 
Secondary Outcome  
Outcome  TimePoints 
To compare the hemodynamic parameters like heart rate (HR), systolic blood pressure
(SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), pulse oximetry
(SpO2 ) and EtCO2 
Baseline, after induction, post-intubation
at 1, 5 and 10 min (T1, T5 and T10) , post-surgery when patient is shifted to PACU i.e 0
hour, 2 hours, 6 hours and after 24 hours post-surgery 
 
Target Sample Size   Total Sample Size="110"
Sample Size from India="110" 
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)   23/10/2025 
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="6"
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   This study aims to evaluate and compare the analgesic efficacy of oral Tramadol and Tapentadol when administered preemptively prior to anaesthesia induction in patients undergoing laparoscopic cholecystectomy. the objective is to determine which agent provides superior postoperative pain control. Pain intensity will be assessed using the Visual Analogue Scale (VAS), ranging from 0 (no pain ) to 10 (worst imaginable pain ), at specified postoperative intervals: immediately upon arrival at PACU and at 2, 6, 24 hour post operatively. the study will also evaluate the incidence of adverse effects, time of first  rescue analgesia, and overall tolerability profile of each medication. Furthermore, perioperative hemodynamic parameters - including heart rate, systolic and diastolic blood pressure, mean arterial pressure, oxygen saturation (SpO2), end tidal carbon dioxide (EtCO2) - will be monitored at pre defined intraoperative and postoperative time points to assess physiological stability and potential drug related influences.  
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